1.2 memory computer science revision

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  • Created by: harry6967
  • Created on: 16-10-18 11:54
What does RAM stand for?
Random Access Memory.
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What does ROM stand for?
Read Only Memory.
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What is the function of RAM
A temporary storage of instructions/data for programmes that are being executed by the processor.
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What is the function of ROM?
It contains the very first instructions for the computer to boot up and to check the hardware is installed correctly.
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What happens to unsaved data in the RAM when the power is shut off?
It all gets wiped/lost as it is volatile.
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What is the BIOS?
It's a basic input/output system which contains programmes to load the hardware.
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Where is the ROM?
The ROM is a small piece of memory on the motherboard.
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What does DRAM stand for?
Dynamic Random Access Memory.
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What does SRAM stand for?
Static Random Access Memory.
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What does the DRAM do?
It stores each bit of data into a separate capacitor.
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What does the SRAM do?
SRAM (static RAM) is random access memory (RAM) that retains data bits in its memory as long as the power is on.
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What is a bootstrap loader?
A bootstrap loader is the program that initializes the operating system (OS) during startup.
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What is disk thrashing?
a problem that may occur when virtual memory is being used.
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Which is faster SRAM or DRAM?
SRAM.
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is the ROM permanent or temporary?
Permanent.
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Is RAM temporary or permanent?
Temporary.
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what is paging?
In computer operating systems, paging is a memory management scheme by which a computer stores and retrieves data from secondary storage for use in main memory.
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Other cards in this set

Card 2

Front

What does ROM stand for?

Back

Read Only Memory.

Card 3

Front

What is the function of RAM

Back

Preview of the front of card 3

Card 4

Front

What is the function of ROM?

Back

Preview of the front of card 4

Card 5

Front

What happens to unsaved data in the RAM when the power is shut off?

Back

Preview of the front of card 5
View more cards

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