Computers Quiz

What were the first computers like?

• Medium-sized machines that used vacuum tubes for circuitry and punch cards for memory storage.

• Large and room-sized machines that used transistors for circuitry and floppy disks for memory storage.

• Small and portable devices that used transistors for circuitry and floppy disks for memory storage.

• Large and room-sized machines that used vacuum tubes for circuitry and magnetic drums for memory storage.

What is the main purpose of a computer?

• To make phone calls

• To process and store information

• To play video games

• To cook food

What are the basic components of a computer?

• CPU, memory, storage devices, input devices, and output devices

• Motherboard, power supply, graphics card

• Keyboard, mouse, monitor

• Operating system, software, applications

What is the difference between hardware and software?

• Hardware is the physical components of a computer system, while software refers to the programs and data that run on the hardware.

• Hardware is the software that controls the computer system, while software refers to the physical components of the computer system.

• Hardware and software are the same thing.

• Hardware is the software components of a computer system, while software refers to the physical components that run on the hardware.

What is the function of a central processing unit (CPU)?

• To connect to the internet

• To execute instructions of a computer program

• To store data on the hard drive

• To display images on the screen

What is the role of an operating system in a computer?

• To play video games

• To control the temperature of the computer

• To manage computer hardware and software resources, provide a user interface, and facilitate communication between software applications and the hardware.

• To make coffee

What is the difference between input and output devices?

• Input devices provide data to a computer, while output devices display or produce the results of that data processing.

• Input devices are used for gaming, while output devices are used for work.

• Input devices display the results of data processing, while output devices provide data to a computer.

• Input and output devices are the same thing.

What is the internet and how does it work?

• The internet is a global network of computers that are connected to each other and it works by using a system of protocols to enable the transfer of data between devices.

• The internet is a government-controlled network that restricts access to certain websites.

• The internet is a single computer that stores all the information and data.

• The internet is a physical network of cables and wires that connect computers together.

What are computer viruses and how can they be prevented?

• Computer viruses are harmless and can be ignored

• Installing antivirus software, keeping the operating system and other software up to date, being cautious when opening email attachments or downloading files from the internet, and avoiding visiting suspicious websites.

• Installing antivirus software is unnecessary and a waste of money

• The best way to prevent computer viruses is to never use the internet

What is coding and why is it important in computers?

• Coding is the process of designing computer graphics.

• Coding is the process of creating instructions for a computer to follow.

• Coding is the process of fixing computer hardware issues.

• Coding is the process of decoding information from a computer.