What is the function of a network router?

Connect devices in a local network

What is a foreign key in a database table used for?

Establish a link between tables

What is software licensing in computing?

A legal agreement for software usage

What does the term "algorithm" refer to in programming?

A series of steps for solving a problem

What is the purpose of data validation in databases?

Ensuring data accuracy and consistency

What is encryption in cybersecurity?

A method of storing data securely

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CAT Grade 12 Theory 2

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Questions 25

Answers

1
What is a firewall in cybersecurity?
A backup storage device
A network security measure
A type of computer virus
A physical security device
2
What is the function of a network router?
Display web pages
Convert data into binary code
Process graphics and images
Connect devices in a local network
3
What is the difference between RAM and ROM in a computer?
RAM is volatile memory
ROM is temporary memory
RAM is non-volatile memory
ROM is a type of storage device
4
What is the role of a printer in a computer system?
Display data to the user
Process images and videos
Output data to physical media
Convert data into binary code
5
What is a database management system (DBMS) used for?
Manage computer hardware
Organize and store data
Create web pages
Edit images and videos
6
Which programming language is used for mobile app development?
Ruby
C#
PHP
JavaScript
7
What is cloud storage in computing?
Sharing files via email
Storing files on a local hard drive
Storing data on remote servers
A type of software
8
What is a backup in data management?
A copy of important data
A physical storage device
A type of computer virus
A computer security measure
9
What is a foreign key in a database table used for?
Establish a link between tables
Display data to users
Perform calculations
Store multimedia files
10
What is software licensing in computing?
A legal agreement for software usage
A type of computer virus
The process of sharing files
A method of installing software
11
What is a primary key in a database table used for?
Display data to users
Establish a link between tables
Store multimedia files
Uniquely identify records
12
What is the purpose of a file extension?
Encrypt file contents
Optimize file for storage
Determine file size
Indicate the type of file
13
What is data integrity in databases?
Data accuracy and consistency
Data encryption
Data compression
Data loss prevention
14
What is the role of an operating system?
Create user interfaces
Run web servers
Manage hardware resources
Design graphics
15
What is the purpose of debugging in programming?
Display images and videos
Correcting errors in code
Running software applications
Creating user interfaces
16
What does the term "algorithm" refer to in programming?
A type of computer virus
A type of hardware
A series of steps for solving a problem
A method of data encryption
17
What is malware in cybersecurity?
A type of computer hardware
A type of computer virus
A form of computer memory
A method of storing data
18
What is the purpose of data validation in databases?
Storing and organizing data
Converting data into binary code
Displaying images and videos
Ensuring data accuracy and consistency
19
What is IP version 6 (IPv6) used for in networking?
Displaying web content
Assigning unique addresses to devices
Storing data in databases
Routing network traffic
20
Which programming language is used for game development?
Python
HTML/CSS
C++
Java
21
What is the purpose of a scanner in a computer system?
Output data to the user
Convert data into binary code
Enter data into the computer system
Digitize physical documents
22
What is binary code used for in computing?
Display images and videos
Connect to the internet
Store and process data
Perform mathematical calculations
23
Which software is used for creating dynamic web pages?
Microsoft Word
Photoshop
Adobe Dreamweaver
Google Chrome
24
What is the function of a GPU in a computer system?
Store data temporarily
Process graphics and images
Execute software instructions
Manage memory allocation
25
What is encryption in cybersecurity?
A form of data visualization
A method of storing data securely
A process for compressing data
A type of computer virus

CAT Grade 12 Theory 2 Flashcards | StudBud