Computer Architecture

What is a bus?

• A circuit that connect one part of CPU to other components.
• A type of long term memory
• A type of permanent memory
• A method of transport

How does clock speed affect computer performance?

• The higher the clock speed the slower the computer will run.
• It improves the amount you can store on the computer.
• The higher the clock speed the better the performance.
• It will make loading program slower

CPU cache has lower access time than RAM

• true
• FALSE

Which of the following is a job of the control unit?

• To start up the computer
• To manage the fetch decode execute cycle
• To create presentations
• To carry out calcul

What is the program counters job?

• To count the programs
• It contains the memory address of the next instruction to be loaded
• It stores instructions
• It carries out the calculations

Which of the following is an example of 'main memory'.

• Hard Drive
• USB Drive
• RAM
• ROM

How does clock speed affect computer performance?

• The higher the clock speed the slower the computer will run.
• It improves the amount you can store on the computer.
• The higher the clock speed the better the performance.
• It will make loading program slower

Having a larger cache size on the CPU can improve the performance of the computer.

• true
• FALSE

1.1 b 
Which register is being described?
Holds the memory address about to be used by the CPU

• MAR
• MDR
• Accumulator
• Program Counter

1.1 b 
Which register is being described?
Holds the data / instructions that have been fetched from memory

• MAR
• MDR
• Accumulator
• Program Counter