Hardware

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  • Created by: Youngjean
  • Created on: 08-06-16 09:29
In a computer, what covers the microprocessor?
A heat sink cover the microprocessor because it tends to get very hot from the million calculations it does every second.
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Why is this needed ?
Because the microprocessor tends to get very hot from the million calculations it does every second.
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What do the initals CPU stand for
It stands for The Central Processing Unit.
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Describe the function of the control unit ?
The control unit is responsible for controlling the operation of the rest of the processor. Control signals to the other areas of the processor, Instructing them what to perform.
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Describe the function of The Arithmetic and logic unit ?(ALU)
The ALU is responsible for the million of calculations the computer performs such as addition and subtractions.
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Describe the function of the Registers ?
Register are memory locations within the CPU itself for storing data and instructions
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List and describe the stages of the fetch-decode-execute cycle.
Firstly the computer system fetch information from the operating system.Then it decodes , makes calculations then finally executes the instructions that have been decoded.
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List three common household devices, other than computers, which contain microprocessors.
Washing machines , Mircowave and dish washer
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What is a cache and why is it used?
A cache is a short-term storage area. A cache is used to speed up certain computer operations by temporarily placing data, or a copy of it, in a location where it can be accessed more rapidly than norma
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Explain what is meant by a disk cache.
A part of RAM memory that is set aside as a specialised cache or buffer that is continually updated.
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Explain what is meant by a memory cache.
A part of RAM memory that is set aside as a specialised cache or buffer that is continually updated.
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What is microprocessor or CPU cache?
A CPU cache is a cache used by the central processing unit of a computer to reduce the average time to access memory. The cache is a smaller, faster memory which stores copies of the data from frequently used main memory locations
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What is a web cache?
It is a folder full of web pages in the user’s computer that is maintained by the Web browser for a period of time. If the local, cached page has not been updated on the Web, it is retrieved immediately by the browser, saving download time.
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Other cards in this set

Card 2

Front

Why is this needed ?

Back

Because the microprocessor tends to get very hot from the million calculations it does every second.

Card 3

Front

What do the initals CPU stand for

Back

Preview of the front of card 3

Card 4

Front

Describe the function of the control unit ?

Back

Preview of the front of card 4

Card 5

Front

Describe the function of The Arithmetic and logic unit ?(ALU)

Back

Preview of the front of card 5
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