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GCSE Computer Science > Start -up Sequence 1.1 > Flashcards

Start -up Sequence 1.1 Flashcards

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1
Q

What is the first thing a computer does as it is turned on

A

Turns on input/output devices

  • so that it can present any errors to user straight away
  • however before anything can be loaded in ram, the os has be fetched form secondary storage
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2
Q

First step

A

Cpu fetches instructions from BIOS on ROM

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3
Q

Second step

A

BIOS instructions are loaded in ram

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4
Q

3rd step

A

Bios starts up monitor and keyboard

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5
Q

4th step

A

Bios checks your computer is working

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6
Q

5th step

A

OS is fetched from hard drive

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7
Q

6th step

A

OS is loaded into ram

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8
Q

7th step

A

Bios transfers control to os

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GCSE Computer Science (47 decks)

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