COMPUTER LITERACY

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1. Data is:

• a) Numbers
• b) Letters
• c) Symbols, sounds or pictures
• d) All of the above

2. What is an input device?

• a) Devices used to enter data and commands into the computer
• b) Devices used to display data
• c) Devices which are used to output commands
• d) Devices which are used to display data and commands

3. What is an output device?

• a) Devices which are connected to the computer
• b) Devices which are used to input data
• c) Devices which are used to display data from the computer
• d) Devices which are used to scan images

4. The stages of processing are:

• a) gathering, input and output
• b) processing, input and output
• c) input, output and re-input
• d) input, processing and output

5. Another name for the CPU is?

• a) control unit
• b) processor
• c) personal computer
• d) cache chip

10. What is the name of the item of hardware shown below?

• a). Processing Unit
• c). Central Processing Unit
• b). System Unit
• d). Computer Unit

11. The CPU :

• a) accepts data to be processed
• b) performs arithmetic and logic functions
• c) processes raw data into information
• d) does all of the above

12. The main memory:

• a) is a part of the CPU
• b) controls the processing of data
• c) holds data and instructions that the computer is processing at the time
• d) is none of the above

13. Computers are used because they:

• a). are very fast at processing data
• b). hardly ever make errors
• c). can store large amounts of information
• d). are all of the above