R12 Computer Hardware

Which of these symbols is for a NOT gate?

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• 
• 
• 

Which of these symbols is for an OR gate?

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• 
• 
• 

Which of these symbols is for an AND gate?

• 
• 
• 
• 

Which logic gate is being representetd by this truth table?

• XOR
• NOT

• OR
• AND

Which logic gate is being representetd by this truth table?

• XOR
• NOT

• OR
• AND

The purpose of a truth table is to show all the possible (a)   from all the possible ​ (b)  

• outputs
• inputs
• ones
• zeros
• symbols

Re-arrange these units of data from smallest to largest.

• byte

• Megabyte

• Kilobyte

• Gigabyte

• bit

Convert the following binary number to denary

001010000

Mathematical Equivalence

ON

What is the name of the cycle the CPU carries out?

a

b

c

Decode

Execute

ROM

Fetch

Brain

RAM

What is the purpose of presentation software?

• To write and publish articles online.
• To edit photos and create graphics.
• To create spreadsheets and manage data.
• to facilitate the creation and delivery of visual presentations.