Question 1:

Which of the following is an example of hardware?
A. Operating system
B. Web browser
C. Keyboard
D. File system
Correct Answer: C. Keyboard
Explanation: A keyboard is a physical device, making it hardware, whereas operating systems, web browsers, and file systems are software.

Question 2:

What is the primary function of a CPU (Central Processing Unit)?
A. Store data
B. Perform calculations and run programs
C. Display graphics
D. Connect to the internet
Correct Answer: B. Perform calculations and run programs
Explanation: The CPU is responsible for executing instructions and performing calculations that allow programs to run on a computer.

Question 3:

Which of the following is a type of storage device that uses non-volatile memory?
A. Hard disk drive (HDD)
B. Solid-state drive (SSD)
C. Random access memory (RAM)
D. Optical disk
Correct Answer: B. Solid-state drive (SSD)
Explanation: SSDs use non-volatile memory to store data, meaning the data remains stored even when the power is turned off, unlike RAM, which is volatile.

Question 4:

Which of the following is an example of application software?
A. Windows 10
B. Microsoft Word
C. Linux
D. BIOS
Correct Answer: B. Microsoft Word
Explanation: Application software, like Microsoft Word, is designed to help users perform specific tasks (e.g., word processing), while the other options are system software.

Question 5:

Which of the following is NOT part of the operating system?
A. File system
B. Device drivers
C. Internet browser
D. Memory management
Correct Answer: C. Internet browser
Explanation: An internet browser is an application software, not part of the operating system. The operating system handles memory management, device drivers, and the file system.

Question 6:

What is the purpose of an IP address?
A. To identify a device on a network
B. To provide an internet connection
C. To protect the network from security threats
D. To store network configurations
Correct Answer: A. To identify a device on a network
Explanation: An IP address is a unique identifier assigned to each device on a network, allowing it to communicate with other devices.

Question 7:

Which of the following is a type of malware that spreads itself across computers?
A. Trojan horse
B. Virus
C. Spyware
D. Adware
Correct Answer: B. Virus
Explanation: A virus is a type of malware that attaches itself to legitimate programs and spreads to other computers. A Trojan horse, spyware, and adware do not typically spread by themselves.

Question 8:

Which of the following would be most appropriate for storing large amounts of data for archiving purposes?
A. Solid-state drive (SSD)
B. Cloud storage
C. DVD
D. USB flash drive
Correct Answer: B. Cloud storage
Explanation: Cloud storage is ideal for storing large amounts of data that need to be accessed remotely or archived. SSDs and USB drives are more suited for faster access or portable storage.

Question 9:

Which of the following is the correct order of the layers in the OSI model from top to bottom?
A. Transport, Session, Network, Data Link, Physical
B. Application, Presentation, Session, Transport, Network, Data Link, Physical
C. Physical, Data Link, Network, Transport, Session, Presentation, Application
D. Application, Transport, Network, Data Link, Physical
Correct Answer: B. Application, Presentation, Session, Transport, Network, Data Link, Physical
Explanation: The OSI (Open Systems Interconnection) model has seven layers in this order: Application, Presentation, Session, Transport, Network, Data Link, and Physical.

Question 10:

What is the main purpose of a firewall in network security?
A. To encrypt data
B. To detect malware
C. To control incoming and outgoing network traffic
D. To store network passwords
Correct Answer: C. To control incoming and outgoing network traffic
Explanation: A firewall is designed to monitor and control incoming and outgoing network traffic based on predetermined security rules.

Question 11:

Which of the following is a common method of connecting to the internet in a home network?
A. Bluetooth
B. Ethernet cable
C. HDMI
D. VGA
Correct Answer: B. Ethernet cable
Explanation: Ethernet cables are commonly used to connect devices to a router or modem for internet access in a home network.

Question 12:

Which of the following file types is commonly used for text documents?
A. .exe
B. .mp3
C. .txt
D. .jpg
Correct Answer: C. .txt
Explanation: The .txt file extension is used for plain text documents, while the other options are used for executable files, audio files, and image files.

Question 13:

What does the term “cloud computing” refer to?
A. The use of physical servers for data storage
B. Storing data on remote servers and accessing it via the internet
C. A way to increase the speed of the internet
D. The physical infrastructure of data centers
Correct Answer: B. Storing data on remote servers and accessing it via the internet
Explanation: Cloud computing refers to the practice of using remote servers to store and process data, which can be accessed over the internet.

Question 14:

Which of the following is a basic unit of storage in a computer system?
A. Bit
B. Byte
C. Gigabyte
D. Terabyte
Correct Answer: B. Byte
Explanation: A byte is the basic unit of data storage, typically consisting of 8 bits.

Question 15:

Which of the following is used to protect sensitive information on a computer system?
A. Antivirus software
B. Backup software
C. Encryption
D. Firewall
Correct Answer: C. Encryption
Explanation: Encryption is used to protect sensitive information by converting it into a coded format that is unreadable without the decryption key.

Question 16:

Which of the following is an example of a peripheral device?
A. CPU
B. Monitor
C. Motherboard
D. RAM
Correct Answer: B. Monitor
Explanation: A monitor is an external device (peripheral) that displays information from the computer, while CPU, motherboard, and RAM are internal components.

Question 17:

Which of the following protocols is used to send email from one email server to another?
A. IMAP
B. SMTP
C. HTTP
D. FTP
Correct Answer: B. SMTP
Explanation: SMTP (Simple Mail Transfer Protocol) is used for sending email messages between email servers.

Question 18:

What is phishing?
A. A type of computer virus
B. A method of stealing sensitive data through fraudulent emails
C. A type of firewall
D. A method of backing up data
Correct Answer: B. A method of stealing sensitive data through fraudulent emails
Explanation: Phishing is a social engineering attack in which attackers try to deceive users into revealing sensitive information (like passwords) by pretending to be a trustworthy entity.

Question 19:

Which of the following operating systems is open source?
A. Windows 10
B. macOS
C. Linux
D. Android
Correct Answer: C. Linux
Explanation: Linux is an open-source operating system, meaning its source code is publicly available and can be modified and distributed.

Question 20:

What is the function of the BIOS (Basic Input/Output System) in a computer?
A. To load the operating system into memory
B. To provide a user interface for interacting with the computer
C. To manage the computer’s file system
D. To provide network access
Correct Answer: A. To load the operating system into memory
Explanation: The BIOS is responsible for initializing hardware components and loading the operating system into memory during the boot process.