Introduction to Computer Systems: Multiple Choice Quiz

1. What is a computer system and what are its main components?

• A set of programs that work without hardware.

• A group of cables and electrical connections.

• Hardware, software, and users.

• Only the operating system and the processor.

2. What is the difference between hardware and software?

• Hardware is tangible, and software is not.

• Software is made of cables, and hardware is programs.

• Both are physical parts of the computer.

• Software weighs more than hardware.

3. What is an operating system and what is it used for?

• A program that manages hardware and allows you to use the computer.

• A device that stores information.

• A type of virus that controls the computer.

• A keyboard accessory.

4. Name three examples of input devices and three of output devices.

• Input: cloud, database, server / Output: printer, cloud, server.

• Input: monitor, printer, speakers / Output: keyboard, mouse, scanner.

• Input: CPU, RAM, hard drive / Output: Internet, WiFi, Bluetooth.

• Input: keyboard, mouse, scanner / Output: monitor, printer, speakers.

5. What is RAM memory and how is it different from ROM?

• ROM is erased when the computer is turned off.

• ROM is faster than RAM.

• RAM stores the operating system permanently.

• RAM is temporary and ROM is permanent.

6. What does “cloud storage” mean and what is it used for?

• Having a hard drive floating in the sky.

• Saving data only on a USB drive.

• Storing files on servers accessible via the Internet.

• Downloading files from a local network.