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GCSE Computing > Computer Systems > Flashcards

Computer Systems Flashcards

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1
Q

What is a computer?

A

Any machine or device programmed with a set of instructions

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2
Q

List some input devices

A

Mouse, keyboard camera

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3
Q

List some output devices

A

Printer, speaker, monitor

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4
Q

What are the 3 types of computer system?

A

Dedicated, embedded and general purpose

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5
Q

What is an embedded computer system? Give an example of one

A

A system which is part of a larger system, like a washing machine controller

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6
Q

What is a dedicated system? Give an example of one

A

A system dedicated to doing 1 task, like a computer controlling a robotic arm

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7
Q

What is a general purpose system? Give an example of one

A

Used for many purposes, like playing music and games, email etc. Used in smartphones

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8
Q

What is the motherboard?

A

The central printed circuit board (PCB) that holds the crucial components of the system.

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9
Q

What is the GPU?

A

Graphical Processing Unit, renders images, videos etc

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10
Q

What is RAM?

A

Random Access Memory,

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11
Q

What is the Hard Drive?

A

A disk used to read and write a hard disk in long term memory

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12
Q

What is the Northbridge?

A

A fast chip that allows the CPU to communicate with RAM and the graphics card.

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13
Q

What does the Southbridge do?

A

Communicates with input/output devices, the BIOS (Basic Input/Output System) and storage devices.

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14
Q

What is the MAR?

A

Memory Address Register- stores memory addresses to get or send data

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15
Q

What is the MBR?

A

Memory Buffer Register- contains data to be stored RAM, then handed to CIR

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16
Q

What is the CIR?

A

Current Instruction Register- holds instructions that is about to be executed

17
Q

What is the Main Memory?

A

AKA RAM, refers to physical memory inside computer,

18
Q

What is the Address Bus?

A

Computer bus used to specify physical address

19
Q

What is the Address Bus?

A

Computer bus used to specify physical address

20
Q

What is the Data Bus?

A

System within a computer consisting of connector that provides data transportation

21
Q

What is the accumulator?

A

Register where arithmetic and logic results are stored

22
Q

What is the Program Counter?

A

Holds address of next instruction to be executed

23
Q

What is the ALU?

A

Arithmetic Logic Unit- performs arithmetic (Add or subtract) and logic (AND, OR)

24
Q

What are the 2 types of algorithm?

A

Pseudocode and Flow charts

GCSE Computing (6 decks)

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