Answer:
Permission sharing
Explanation:
As each calendar represents a set of data that has Share preferences, you can switch it from being isolated on a desktop computer let's say, to shared on a mobile device. Since these two are not separate programs or apps, no plug-ins are needed. Also, this is not an add-in functionality. All you need to do is set the Share preferences on each calendar. Then they will become integrated on the selected device.
In Python, create a calculator that will ask the user to input a single dimension of a shape and then display its properties.
E.g. Enter the radius of a circle; Display the circle’s Diameter, Circumference and Area
Only done for square and circle.
The code is given in the explanation section.
Explanation:
def areacalcpy():
_input_ = input("Enter the shape that you wish to calculate the area: ")
shapearea = 0
pieval = 3.14
if _input_ == "Square":
sideval = int(input("Enter side value of the shape: "))
shapearea = shapearea + (sideval ** 2)
elif _input_ == "Circle":
circleradius = int(input("Enter radius value of the circle: "))
shapearea = shapearea + (2 * pieval * circleradius)
else:
print ("The given shape is invalid, give a valid shape to calculate area")
print ("%.2f" % shapearea)
areacalcpy()
The given code can calculate the area for both the shapes circle and square.
Similarly the area can be calculated for triangle and rectangle.
Communication as ______ is a linear communication model involving a one-way transfer of information in which a source sends a message through a channel or a medium to a receiver.
Answer:
The answer is Transmission
Explanation:
Transmission or Transmission metaphor or transmission model of communications is a one way, linear communication method where information is transferred through a medium to a receiver.
Here, information is sent with no intention of receiving from the destination from that same medium. It is a linear communication method.
Design a module named getNumber, which uses a reference parameter variable to accept an Integer argument. The module should prompt the user to enter a number and then store the input in the reference parameter variable.
Explanation:
Module getNumber (Integer Ref Value)
Display "Display a number"
Input number
End module
Module main ()
Declare Integer number x = 1
Declare Real number y = 2.5
Display( x, " " ,y)
Call changeUS (x,y)
Display( x, " " ,y)
End module
The module 'getNumber' that uses a reference parameter variable to accept an Integer argument is given below.
We have,
A Python module named 'getNumber' that uses a reference parameter variable to accept an Integer argument:
def getNumber(number_ref):
try:
number = int(input("Enter a number: "))
number_ref[0] = number
except ValueError:
print("Invalid input. Please enter a valid integer.")
# Example usage:
# num = [0] # Create a list to store the reference to the number
# getNumber(num) # Call the module and pass the reference
# print("The entered number is:", num[0]) # Access the number using the reference
Now,
In this module, we use a list (number_ref) as the reference parameter to accept an Integer argument.
The user is prompted to enter a number, and the input is then stored in the reference parameter variable, which allows us to modify the original value of the variable outside the function scope.
Thus,
The module 'getNumber' that uses a reference parameter variable to accept an Integer argument is given above.
Learn more about Python modules here:
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When making a specialized wired connection for a server that will operate on an Ethernet network, which two wiring colors should be used?
Answer:
Orange and green wiring. Colours.
Explanation:
Orange electricity wire is required to be used in 480 VAC applications by the United States National Electric Code. This powered wire shade has current
Green means that an electrical circuit is grounded. A green wire can be connected to a green wire only and should never be connected to another cable color. Green wires link to the grounded terminal in the outlet box,from there it then passses through an electric panel to the ground bus bar.
Consider the scenario described by the statement "A customer can make many payments, but each payment is made by only one customer." Use this scenario as the basis for an entity relationship diagram (ERD) representation.
Answer:
The statement shows that there is a one to many relationship between customer and payment.
Explanation:
A customer can make any number of payments. This means that a single record in Customer table can be associated with one or more records in the Payment table.
However each payment can be associated with only one customer at a time.
Here there are two entities: Customer and Payment.
The relationship between them is "makes". As a person can make many payments and payment is made by one customer.
Relationship makes is represented by a diamond, entities are represented by a rectangle and there is a relationship line from the diamond, connecting the two entities Customer and Payment showing one to many relationship between the entities.
This relationship can be depicted in the form of entity relationship diagram given in the attached file.
The ________ is responsible for the Internet's domain name system and the allocation of IP addresses.
Answer:
The answer is "ICANN"
Explanation:
In the given question some information is missing, that is option, which can be described as follows:
A) IAB
B) ICANN
C) W3C
D) ISOC
It manages the installation and processes of multiple databases concerning the Network domain and provides a stable and safe networking service, and wrong choices were explained as follows:
IAB, It provides a protocol to manage IETF, that's why it is wrong. W3C is used in web development. ISOC is used to provide internet accessibility.The interaction between information technology and organizations is influenced___________.A) solely by the decision making of middle and senior managers.B) by the development of new information technologies.C) by many factors, including structure, politics, culture, and environment.D) by two main macroeconomic forces: capital and labor.E) by the rate of growth of the organization.
Answer: C. Many factors including structure, politics, culture, and environment.
Explanation:
An organization is a formal establishment which is geared at production of goods or rendering of services. Information Technology plays an important role in an organizations activities for it helps the firm realize its goals.
Any technology an organization intends to use must conform to its methods of production as well as the way the organization does things (culture). For example, the importance of computers in an organization like a Bank which holds a lot of information in its database cannot be overemphasized.
The environment of the organization made up of competitors, regulatory agencies, customers, etc. would also influence the kind of information technology used by the organization.
You recently completed a network overhaul over the weekend. Everything seems to be functioning properly until you receive a swarm of help desk support requests, all originating from one specific floor in your building. After a few minutes on the phone with those affected, you determine that no onehas indicator lights active on their NICs. What is most likely the problem?a.The DHCP server has failed.c.Static IP address settings have prevented the NIC from entering a usable state.b.A gateway is incorrectly configured.d.A network switch has not been powered on
Answer:
d. A network switch has not been powered on
Explanation:
A network interface controller(NIC) is a computer hardware component that connects a computer to a computer network, without it a computer cannot be connected over a network. It is a circuit board installed in a computer that provides a dedicated network connection to the computer. It is also called a network adapter, network interface card, LAN adapter or physical network interface.
When you power up your switch, several things happen, and the status lights on the front of the unit tell you what is going on. When no indicator light is showing it means the switch is not turned on.
If the speakers are not working on a laptop, what could be the problem besides the speakers?
CPU
LCD
Sound card
Video card
Answer:
Sound card
Explanation:
In computer or laptop music or sound files are stored in digital form. Sound card is the the device that is used to convert the digital form of music into analog to produce the signal that is compatible with speaker or microphone.
If the speakers are not working on the laptop, means there is no sound produced on speakers. It means that sound card is not working properly.
1. Besides the Game Engine, name and describe three other game development tools.
2. Think of a game you are familiar with and identify at least three team responsibilities that were required to make the game, one each from designer, programmer, and artist roles. Cite specific details in the game that you think required a particular specialist.
3. Think of a game you are familiar with and identify at least three team responsibilities that were required to make the game, one each from designer, programmer, and artist roles. Cite specific details in the game that you think required a particular specialist.
I will rephrase the answers in My Own Words and thank the following people who answer last I'll make to see whos answer is Brainliest.
In computer technology, the three (3) types of game development tools include the following:
EmulatorLevel editorScripting toolWhat is a game development tool?A game development tool can be defined as a set of specialized software programs that are used by game developers (programmers) for the design and development of a game.
In software development, there are different types of game development tools and these include the following:
EmulatorLevel editorScripting toolGame engineModeling toolThe three (3) team responsibilities that were required to make mortal kombat are:
The game designer create the rules and characters such as Rayden, Liu Kang, Subzero, etc.The programmer writes an executable set of instructions (code).The artist choose colours and design each characters.Read more on game development here: https://brainly.com/question/13956559
1. Game development tools include Integrated Development Environments (IDEs) for coding, graphics software for art assets, and Version Control Systems (VCS) for collaboration and code management.
2. In "The Legend of Zelda: Breath of the Wild," designers created physics-based puzzles, programmers implemented AI behaviors, and artists designed characters and landscapes.
3. In "Overwatch," designers balanced hero abilities, programmers coded gameplay mechanics, and artists created characters, environments, and visual effects.
Let's address each part of your query one by one:
1. Game Development Tools
Besides the Game Engine, here are three other important game development tools:
- 1. Integrated Development Environment (IDE): An IDE is essential for developers to write, debug, and test code efficiently. Examples include Visual Studio for C# development, IntelliJ IDEA for Java, and JetBrains PyCharm for Python.
- 2. Graphics Software: Graphics software such as Adobe Photoshop, Autodesk Maya, or Blender is crucial for artists and designers to create and manipulate 2D and 3D assets, textures, animations, and visual effects.
- 3. Version Control System (VCS): Version control systems like Git are used to manage changes to source code, assets, and other files collaboratively. They allow teams to track changes, manage branches, and revert to previous versions if needed.
2. Game Responsibilities: Designer, Programmer, Artist
Example Game: "The Legend of Zelda: Breath of the Wild"
- Designer Responsibility: Designers are responsible for creating the game mechanics and systems. In "Breath of the Wild," the open-world exploration and interaction mechanics were central. For instance, the physics-based puzzles and the interaction with the environment (like using the Sheikah Slate to manipulate objects or solving Shrine puzzles) required meticulous design to ensure they were engaging and intuitive.
- Programmer Responsibility: Programmers implement the game mechanics and systems into code. In "Breath of the Wild," programming responsibilities included implementing the AI behaviors of enemies and NPCs, managing the physics engine for interactions like climbing, and optimizing performance to ensure smooth gameplay even in vast open environments.
- Artist Responsibility: Artists create the visual assets and design the overall visual style. In "Breath of the Wild," artists were responsible for creating detailed landscapes, character designs (like Link and Zelda), enemy designs (like Guardians and Lynels), and environmental effects (such as weather changes and the aesthetic of different regions like the Gerudo Desert or Zora's Domain).
3. Game Responsibilities: Designer, Programmer, Artist
Example Game: "Overwatch"
- Designer Responsibility: Designers in "Overwatch" were crucial in balancing the diverse roster of heroes, each with unique abilities and roles. For example, designing the abilities of heroes like Tracer required careful consideration of gameplay balance and synergy within teams.
- Programmer Responsibility: Programmers implemented the core game mechanics such as the first-person shooter gameplay, network code for multiplayer functionality, and backend systems for matchmaking and player progression.
- Artist Responsibility: Artists created character models, animations, environment assets (like maps such as Hanamura or Dorado), and visual effects (like the abilities of heroes such as Genji's Dragonblade or Junkrat's Rip-Tire).
These roles and responsibilities highlight the collaborative effort required in game development, where designers, programmers, and artists each contribute their specialized skills to create a cohesive and engaging gaming experience.
The 'client area' of a window is the area used to display the contents of the window (thus a title bar or border would lie outside the client area). For the Window class, the client area is nothing more than the entire window, and thus the height of the client area is nothing more than the value of the height instance variable.
Assume the existence of a Window class with existing methods, getWidth and getHeight. There is also a Window subclass, named TitledWindow that has an integer instance variable barHeight, containing the height of the title bar.
Write the method getClientAreaHeight for the TitledWindow class that returns the height (an integer) of the client area of a window with a title bar.
Answer:
The Java code is given below
Explanation:
Window.java:
public class Window {
private int width, height;
public Window(int width, int height) {
this.width = width;
this.height = height;
}
public int getHeight() {
return height;
}
public void setHeight(int height) {
this.height = height;
}
public int getWidth() {
return width;
}
public void setWidth(int width) {
this.width = width;
}
@Override
public String toString() {
return "Window [width=" + width + ", height=" + height + "]";
}
}
TitledWindow.java:
public class TitledWindow extends Window {
private int barHeight;
public TitledWindow(int width, int height, int barHeight) {
super(width, height);
this.barHeight = barHeight;
}
public int getClientAreaHeight() {
return barHeight + super.getHeight();
}
@Override
public String toString() {
return "TitledWindow [width=" + super.getWidth() + ", height=" + super.getHeight() + ", barHeight=" + barHeight + "]";
}
}
TestWindows.java:
public class TestWindows {
public static void main(String args[]) {
Window w = new Window(450, 200);
System.out.println("Window: " + w);
TitledWindow titledWindow = new TitledWindow(450, 200, 30);
System.out.println("titaledWindow: " + titledWindow);
System.out.println("titledWindow.height: " + titledWindow.getClientAreaHeight());
}
}
Which two peripherals are more likely to be external installations on a laptop rather than internal installations?
Hard drive
Microphone
Webcam
Wireless card
How would you instruct someone to use the automatic entry feature using a data increment of 3? A decrement of 5?
Answer:
Increment of 3:
1. first of all enter values in first two cell with gap of three i.e(enter 3 in first cell and 6 in second cell of same column).
2. Select both cell
3. expand the your cell selection from bottom right edge of selection till the cell you want to auto fill with increment of 3
Decrements of 5:
1. first of all enter values in first two cell with gap of 5 in decreasing order i.e(enter 1000 in first cell and 995 in second cell of same column).
2. Select both cell
3. expand the your cell selection from bottom right edge of selection till the cell you want to auto fill with decrements of 5
Note: proper image of selection and expansion are attached bellow :
Explanation:
Write an expression that evaluates to true if the value of the integer variable widthOfBox is not divisible by the value of the integer variable widthOfBook. Assume that widthOfBook is not zero. ("Not divisible" means has a remainder.)
Answer:
int widthOfBox; //declaration
int widthOfBook; // declaration
if (widthOfBox%widthOfBook!=0){
}
Explanation:
This expression will evaluate to true if the value of widthOfBox is not divisible by widthOfBook.
The modulo operator (%) is used for this evaluation since widthOfBox %widthOfBook will evaluate to zero if the widthOfBox is divisible by widthOfBook
Which wireless communication is typically limited to six feet of distance?
Bluetooth
IR
NFC
RFID
Answer:
Bluetooth
Explanation:
Bluetooth is a standard to share data between Mobil devises, typically less than 10 m (33 ft), up to 100 m (330 ft), but the Bluetooth 5.0 has a range of 40–400 m (100–1,000 ft), in addition, NFC is something similar because needs a separation of 10 cm or less, and with RFID we can read to hundreds of meters.
Which topology is likely to be deployed in a WAN where there’s a central office and three branch offices, and you want all traffic from the branch offices to go through the central office network?a. Ringb. PMPc. Meshd. Point-to-point
Answer:
The answer is B. PMP Topology
Explanation:
PMP stands for Point-to-Multipoint Topology
PMP Topology is a form of one to many communication and it is deployed in a Wide Area Network (WAN), this means that a single location (Base station) provides network paths to many other locations.
This topology is mostly used by private enterprises to effectively connect with remote offices, sites and so on. It provides long-range wireless solutions.
Assume that word is a String variable. Write a statement to display the message "Today's Word-Of-The-Day is: " followed by the value of word. The entire message, including the value of word, should appear on a single line of output. For example, if the value of word is "Hello", the statement should display the following: Today's Word-Of-The-Day is: Hello Hint: In your code make sure the string literal "Today's Word-Of-The-Day is: " is written exactly as shown here.
Answer:
import java.util.Scanner;
public class TestClock {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
System.out.println("Enter a word for the day");
String word = in.next();
System.out.println("Today's Word-Of-The-Day is: "+word);
}
}
Explanation:
Use Scanner class to receive a user's value for the 'word' or
Create a variable and save user's input
Use string concatenation (plus operator) in the System.out.println To display the output as required by the question.
When an organization uses cloud computing, they do not have to buy and maintain expensive hardware. Group of answer choices True False
Answer:
The answer is "False".
Explanation:
Cloud computing refers to files and services, that are processed to retrieved over all the computers, rather than on the hard disk of your machine. It's also known as a Net metaphor, which is a so-called local disc and device, whenever you store information on a disc or run programs.
It uses distributed tools to save software and other equipment costs in organizations. It is a pay structure of "utility", that uses expensive hardware, and maintains it, that's why the given statement is false.Final answer:
Organizations using cloud computing can indeed save on the expense of purchasing and maintaining hardware. Cloud services offer scalable resources and potential cost savings, but are not always the cheaper option and businesses should conduct a cost/benefit analysis.
Explanation:
Cloud Computing and Cost Savings
It is true that when an organization uses cloud computing, they do not have to buy and maintain expensive hardware. This advantage is particularly significant for new organizations that have not yet invested in their own IT environments. Leveraging cloud services means that companies pay only for the capacity and resources they actually utilize rather than shouldering the cost for peak load capacity that remains idle most of the time. Moreover, subscribers to cloud services benefit from the economies of scale that vendors achieve by sharing resources across multiple customers. However, it's important to note that cloud services are not always cheaper and organizations must do a careful cost/benefit analysis, as some, like Foursquare, have found it more economical to run their own hardware.
A PC is downloading a large file from a server. The TCP window is 1000 bytes. The server is sending the file using 100-byte segments. How many segments will the server send before it requires an acknowledgment from the PC?
Answer:
10 segments
Explanation:
Based on the information provided within the question it can be said that the computer will send 10 segments. This will add up to be 1000 bytes (10 segments * 100-bytes each = 1000 bytes). Once this is done the server will need an acknowledgment from the PC stating that the file has been correctly downloaded and saved.
All phones must have a way of making and then terminating a connection to the phone network; however the exact procedure for doing so depends upon the nature of the phone (e.g. landline, cell phone, satellite phone). Write a abstract class, Phone, that contains a string instance variable, phoneNumber, a constructor that accepts a string parameter initializing the instance variable, an accessor method, getPhoneNumber, that returns the phoneNumber, a toString method that return the phoneNumber in the form #(phoneNumber), and two abstract methods: a boolean-valued method named createConnection that returns a boolean and accepts an reference to an object of type Network, and a void-returning method, closeConnection, that accepts no parameters
Answer:
Java class is given below
Explanation:
public abstract class Phone
{private
String phoneNumber;
public Phone(String phoneNumber)
{
this.phoneNumber = phoneNumber;
}
public String getPhoneNumber()
{
return this.phoneNumber;
}
public String toString()
{
return "#("+this.phoneNumber+")";
}
public abstract boolean createConnection(Network n);
public abstract void closeConnection();
}
Jim wants to develop an app for a specific purpose that would run even when his computer is not connected to the Internet. What type of app should he develop?
Answer:
Native app
Explanation:
What is the term for the model that seeks to identify the way that individuals take in, use, and store information?
Answer:
The correct answer to the following question will be "Informational processing approaches ".
Explanation:
Cognitive psychology has taken the approach of sensory thinking as a concept of how thoughts of human works.Therefore the approach to information processing personifies thought as the world supplying data analysis, which our perceptions then turn.So, it's the right answer.
Achieving literacy in the digital age requires using multimedia applications, staying connected to people and knowledge via technology, using technology thoughtfully and professionally, and ________.
a) ensuring that you have the latest-model phone or tablet
b) facilitating more face-to-face meetings
c) learning various computer programming languages
d) thinking critically about new media
Answer:
The answer is D. Thinking critically about new media
Explanation:
Multimedia applications are interactive applications or systems that comprise the use of various media sources such as videos, animations, text, graphics and so on.
Therefore, the use of multimedia applications has greatly enhanced literacy achievements.
The Web can play a significant role in making large amounts of information available to decision makers. Decision makers must be careful that this glut of information does not____________
Answer:
The answer is detract from the quality and speed of decision making.
Explanation:
Where the Internet will play a major role in providing huge numbers of data accessible to decision-makers. Decision-makers should be cautious never to distract from both the quality and performance of decision-making. So, It is important for the decision-makers to take right decision about the following informations.
You have been tasked with monitoring a SQL database server, and wish to use a utility that will monitor the performance of the database and generate reports, while only ever using the database in a read-only capacity. What utility should you use?
Answer:
SQL Server Comparison Tool.
Explanation:
Based on the information provided within the question it can be said that the best tool to use for this scenario would be an SQL Server Comparison Tool. This is a tool designed to compare different servers together but works great as a read only monitoring tool to monitor the performance of the database while also generating performance reports.
A GUI user interface is special because:_________
a) it uses voice commands to run tasks.
b) it uses a very small set of commands.
c) the menus are organized well.
d) there is a set of icons that represent the OS tasks.
Answer:
D. There is a set of icons that represent the OS tasks.
Explanation:
A GUI meaning: Graphical User Interface is a set of interactive visual components for computer software. A GUI displays objects that convey information, and represent actions that can be taken by the user.
GUI objects include icons, cursors, and buttons. These graphical elements are sometimes enhanced with sounds, or visual effects like transparency and drop shadows.
A GUI is considered to be more user-friendly than a text-based command-line interface.
A GUI is special because it uses icons to represent OS tasks, making it user-friendly. Therefore, the correct answer is option d.
A GUI (Graphical User Interface) is special because it provides a visual way of interacting with a computer, using items like windows, icons, and menus instead of purely text-based commands. The correct answer to the question is:
Option d) there is a set of icons that represent the OS tasks.
In a GUI, icons are used to represent different tasks, making it easier for users to understand and navigate the operating system. This visual representation is a crucial aspect of GUIs, setting them apart from command-line interfaces (CLIs) that require text-based input.
Main Features of a GUI:
Icons: Visual representations of tasks or programs.Menus: Organized lists of commands or options.Windows: Separate spaces for different applications or documents.Mouse Interaction: Allows users to click and drag items.These elements work together to make computer systems more user-friendly, especially for those who may find text-based commands difficult to use.
Identify the articulation site that allows us to nod our head ""yes"".
Answer:
Occipital bone-atlas
Explanation:
The occipital bone is a bone that covers the back of your head; an area called the occiput. The occipital bone is the only bone in your head that connects with your cervical spine (neck). The occipital bone surrounds a large opening known as the foramen magnum.
The foramen magnum allows key nerves and vascular structures passage between the brain and spine. Namely, it is what the spinal cord passes through to enter the skull. The brainstem also passes through this opening.
The foramen magnum also allows 2 key blood vessels traversing through the cervical spine, called the vertebral arteries, to enter the inner skull and supply blood to the brain
The articulation site that allows us to nod our head 'yes' is the atlanto-occipital joint, which is formed by the occipital bone and the atlas (C1 vertebra). This joint allows for flexion and extension of the head. Thus, option (c) is correct.
The first cervical vertebra (C1) is called the atlas. It supports the skull and forms the atlanto-occipital joint with the occipital condyles on the base of the skull.The superior articular processes of the atlas have a U-shaped curvature oriented along the anterior-posterior axis.This orientation allows the skull to rock forward and backward, producing flexion and extension of the head.The movement facilitated by this joint enables us to nod our heads 'yes'.Complete Question:
Identify the articulation site that allows us to nod our head "yes".
a.) Occipital bone-axis
b.) Atlas - axis
c.) Occipital bone-atlas
d.) Occipital bone-C2
Which key on a laptop keyboard is often used to help pair a mobile device with another device for communication purposes?
Bluetooth
Cellular
Dual Display
Wireless
Bluetooth on a laptop is often used to help pair a mobile device with another device for communication purposes.
BluetoothExplanation:
A Bluetooth gadget works by utilizing radio waves rather than wires or links to associate with your mobile phone, cell phone or PC. Bluetooth is a remote innovation standard utilized for trading information among fixed and cell phones over short separations utilizing short-wavelength UHF radio waves in the modern, logical and restorative radio groups, from 2.400 to 2.485 GHz, and building individual zone systems. For instance, on Windows, either right-click the Bluetooth symbol in the notice zone or go to the Control Panel to discover the Hardware and Sound > Devices and Printers page. At the point when the gadget shows up in the rundown of Bluetooth and different gadgets, select it to associate (pair) it to the workstation.
The ____ statement is used to execute specific programming code if the evaluation of a conditional expression returns a value of true.
Answer: if statement
Explanation:
The statements executes when a specific conditions are true.
If somehow the evaluation of just a conditional expression yields a response of true, the if statement has been utilized to run specified computer code.
if statement
A decision-making statement that directs a program's decision-making under the given parameters or conditions.
This same if statement runs some block of functions whenever a stated condition seems to be satisfied (TRUE) or perhaps another sequence of bytes if indeed the criterion isn't met (FALSE).
Thus the above response is appropriate.
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Physical security for fixed location (desktop) computers is: Only necessary to consider when the desktop computer is located outside the office, as offices are always secure. Not a concern, because desktop computers are always located in secure locations. Necessary to consider, unless the desktop computer is password protected. Necessary to consider, because physical security is always something that must be evaluated. Very few locations are guaranteed to be secure.
Answer:
Physical security of fixed location (desktop) computers is Necessary to consider, because physical security is always something that must be evaluated. Very few locations are guaranteed to be secured.
Explanation:
Physical security is necessary because fixed locations accommodate facilities, equipment, network, confidential information, important data, software and so on.
Hence, to protect these valuables against theft, vandalism, and terrorism, the presence of physical security is very important. The physical security personnel must be trained and equipped with the necessities to combat the first attempt by thieves or terrorists before calling the police or other security parastatals.