N5 Computing Science - Computer Systems

What is 1111 1111 in Denary?

• 225

• 244

• 255

• 222

How many bits are used per character in ASCII?

• 6

• 8

• 7

• 4

This is a printable character

• shift

• alt

• delete

• A

Which of the following is not part of the processor?

• ALU

• Control Unit

• Registers

• RAM

Which part of the processor stores data?

• ALU

• Registers

• Control Unit

• RAM

Which part of the processor carries out comparisons

• Control Unit

• Arithmetic and Logic Unit

• Registers

• RAM

Which part of the processor sends out control signals?

• Control Unit

• Arithmetic and Logic Unit

• Registers

• RAM

This part of main memory stores data temporarily but the data is deleted when the computer is switched off?

• ROM

• RAM

• SDD

• Registers

Which part of main memory is not editable by the user?

• ROM

• RAM

• Registers

• Control Unit

What bus is used to carry data to and from the processor from memory?

• Data Bus

• Control Bus

• First Bus

• Address Bus