Y11 Computer Science Paper 1 Quiz

What is the role of RAM?

• To hold frequently used Instructions

• To store currently running or open programs

• To store data for long term storage

• To process the Fetch-Decode-Execute cycle

What is the role of the Control Unit?

• Carries out calculations and makes logical decisions.

• Directs the flow of data into and out of the CPU.

• Stores a number which shows how far the computer is through the program

• Stores the answer to maths problems.

What is the role of the Accumulator?

• Carries out calculations and makes logical decisions.

• Directs the flow of data into and out of the CPU.

• Stores a number which shows how far the computer is through the program

• Stores the answer to maths problems.

What is the role of the Arithmetic Logic Unit?

• Carries out calculations and makes logical decisions.

• Directs the flow of data into and out of the CPU.

• Stores a number which shows how far the computer is through the program

• Stores the answer to maths problems.

What is the role of the Program Counter?

• Carries out calculations and makes logical decisions.

• Directs the flow of data into and out of the CPU.

• Stores a number which shows how far the computer is through the program

• Stores the answer to maths problems.

What is the role of Current Instruction Register?

• Stores the instruction currently being carried out.

• Stores the data currently being transferred into or out of memory.

• Holds frequently used instructions which helps the CPU work faster.

• Stores a number which shows how far the computer is through the program

What is the role of Memory Data Register?

• Stores the instruction currently being carried out.

• Stores the data currently being transferred into or out of memory.

• Holds frequently used instructions which helps the CPU work faster.

• Stores a number which shows how far the computer is through the program

What is the role of Cache?

• Stores the instruction currently being carried out.

• Stores the data currently being transferred into or out of memory.

• Holds frequently used instructions which helps the CPU work faster.

• Stores a number which shows how far the computer is through the program

Select only the Von Neumann Registers...

• Cache, ALU, MAR, MDR, Program Counter

• Accumulator, Cache, Control Unit, MDR, MAR

• ALU, Accumulator, MDR, MAR, Program Counter

• Accumulator, Program Counter, MDR, MAR, Current Instruction Register

Select the correct example of Magnetic Storage:

• HDD

• SSD

• Blu-ray

• USB Stick

• DVD