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16 Cards in this Set
- Front
- Back
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What is the four step processing cycle of a computer? |
Input ,Storage , Processing Output |
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What is input & give 3 examples . |
Input is raw information or data entered into a computer. Ex. Keyboards , mouse , scanner |
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What is storage & give 3 examples |
Storage is when the computer saves data , either in short term or long term. Ex. Cd , hard disk , flash drive |
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What is processing & give two examples . |
Processing is when the computer does something to the data , usually interprets the data . Ex. Add two numbers together , display a picture on the screen |
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What are two processing devices ? |
CPU & video adapter |
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What is output & give three examples . |
Output is giving out of data after the computer has processed it . Ex. The number is displayed after addition , document printed |
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List three output devices . |
Printers , speakers , monitors |
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What is the processor also know as ? |
The CPU or brain of the computer . |
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What are transistors? |
Transistor are the electrical components jam packed with the processor . |
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List the two main parts of the processor & their function . |
The ALU : is responsible for the mathematical calculations within the computer .
The CU : controls the operations of the computer |
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What are the three main steps in the FEC ? |
1. Fetch : involves the obtaining of data from main memory ( ram ) & storing it in registers
2. Decode : the breaking down of data , done by CU .
3. Execute : performing the calculations necessary , done by ALU . |
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What is multitasking ? |
Multi-tasking is a method where multiple tasks are performed at the same time |
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What is multiprocessing ? |
Multiprocessing is the use of two or more central processing units with a single computer system |
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What is multi programming ? |
Multi programming is when several programs are run at the same time |
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What is a user interface ? |
This is when the user & computer interact , in particular the use of input devices & software |
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What are the three main types of software ? |
- Command- line interface - Graphical user interface - Menu driven interface |
