Susanna Alsop
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GCSE Computing Quiz on Random Quiz, created by Susanna Alsop on 28/09/2017.

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Susanna Alsop
Created by Susanna Alsop about 7 years ago
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Question 1 of 11

1

What is a foreign key?

Select one of the following:

  • Field used to link one data table with another

  • A key which can be used in any country

  • A primary key which must be unique.

Explanation

Question 2 of 11

1

A crumb is half a byte (4 bits)

Select one of the following:

  • True
  • False

Explanation

Question 3 of 11

1

What is the clock speed?

Select one of the following:

  • The speed of your clock

  • The 'beat' at which the computer works to.

Explanation

Question 4 of 11

1

Clock speed is measured in gigahertz.

Select one of the following:

  • True
  • False

Explanation

Question 5 of 11

1

Bus Topology is when

Select one or more of the following:

  • All of the devices are connected to one cable which is called the backbone

  • There is one wire which connects all the computers together and data flows in 1 direction only

  • There is a central hub and a central server with a dedicated connection to each work station or device

Explanation

Question 6 of 11

1

Advantages of Bus Topology are that

Select one or more of the following:

  • If the line breaks then only one workstation will be affected

  • It is cheap

  • Not many data collisions

  • Quick and easy to set up

  • There is a limit no on cable length

Explanation

Question 7 of 11

1

Disadvantages of Bus Topology are that you could get data collisions, there is a limit on cable length, it is not suitable for networks with heavy traffic and if there is a break in the backbone the whole network fails

Select one of the following:

  • True
  • False

Explanation

Question 8 of 11

1

Select from the dropdown lists to complete the text.

A nibble is ( 4 bits, 2 bits, 8 bits )
A megabyte is ( 1,024 bytes, 1,024 megabytes, 1,024 kilobytes )
A crumb is ( 4 bits, 2 bits, 8 bits )
A gigabyte is ( 1,024 megabytes, 1,024 kilobytes, 1,024 terabytes )
A byte is ( 1,024 bits, 8 bits, 12 bits )
A terabyte is ( 1,024 megabytes, 1,024 terabytes, 1,024 gigabytes )
A kilobyte is ( 1,024 megabytes, 1,024 bytes, 1,024 gigabytes )

Explanation

Question 9 of 11

1

What does CPU stand for?

Select one of the following:

  • Central Progressing Unit

  • Central Processing Unit

  • Central Programming Unit

Explanation

Question 10 of 11

1

Fill the blank spaces to complete the text.

The CPU , and instructions.

Explanation

Question 11 of 11

1

The high speed memory attached to the CPU which we use to store data or instructions we use regularly to save processing time is called the what?

Select one of the following:

  • Core

  • RAM

  • Cache

  • ROM

Explanation

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