Computer Science Quiz

What is the main function of the CPU?

• Store long-term data, like software and documents.

• Process instructions and carry out commands.

• Provide short-term memory for active tasks.

• Display images and graphics on the monitor.

What type of memory card is the smallest in size and commonly used in mobile phones?

• SDHC Memory Cards

• CompactFlash Memory Cards

• Micro SD Memory cards

• Memory Stick Duo Memory Cards

What is the main purpose of a firewall in a computer network?

• To prevent unauthorized access to the network.

• To speed up data transfer within the network.

• To store and manage user passwords.

• To control the flow of electricity to network devices.

Which of the following is NOT a common type of computer virus?

• Trojan horse

• Worm

• Spyware

• Firewall

What is the primary function of a web browser?

• To create and edit documents.

• To manage and organize files on your computer.

• To access and display web pages.

• To send and receive emails.

Which of the following is NOT a popular web browser?

• Google Chrome

• Mozilla Firefox

• Microsoft Edge

• Windows Explorer

A user is looking to purchase a new computer for video editing. Based on the information provided in the file, which component should they prioritize for optimal performance?

• A large hard drive to store video files

• A high-speed CPU for processing video data

• A dedicated video card with a powerful GPU

• A large amount of RAM for multitasking

A user needs to store a large amount of data, including high-quality photos and videos. Based on the information provided in the file, which type of memory card would be the most suitable for this purpose?

• Micro SD Memory Card

• SDHC Memory Card

• SDXC Memory Card

• CompactFlash Memory Card

A user is trying to understand the difference between a CPU and RAM. Based on the information provided in the file, which of the following statements accurately describes the key difference?

• The CPU processes instructions, while RAM stores data temporarily.

• The CPU stores data permanently, while RAM processes instructions.

• The CPU is responsible for graphics processing, while RAM manages the hard drive.

• The CPU is the brain of the computer, while RAM is the heart of the computer.

A user is trying to understand how binary code is used to represent information in a computer. Based on the information provided in the file, which of the following statements best explains the concept?

• Binary code uses a combination of letters and numbers to represent data.

• Binary code uses a series of 0s and 1s to represent data in a digital format.

• Binary code is a complex mathematical formula used to encrypt data.

• Binary code is a system for organizing files and folders on a computer.