Systems architecture

Which of the following are components of the CPU?

• ALU

• CU

• MDU

• ALR

• PC

What does CPU stand for?

• Central Processing Unit

• Computer Processing Unit

• Completely Pointless Unit

• Computer Position Unit

A fast, temporary storage area located on the CPU

• Register

• Cache

• RAM

• ROM

Which of the following are stored in the cache

• Recently accessed data

• Frequently accessed instructions

• The program currently being run

• A big fat box full of bees and broken glass

A computer designed to perform a dedicated purpose, which is built in to a larger machine is call an -------- system

True or false: A CPU with a clock speed of 2GHz will perform twice as many instructions per second as a CPU with a clock speed of 1GHz

• True

• False

True or false: A CPU with 4 cores will process twice as many instructions per second as a CPU with 2 cores

• True

• False

Which of the following IMPROVE the performance of a CPU?

• Higher cache capacity

• Lower clock speed

• More cores

• Lower cache capacity

The stages of the FETCH are:

1. contents of PC copied to ___

2. RAM is access and data set to MDR

3. Contents of MDR copied to CIR

4. PC incremented

The stages of the FETCH are:

1. contents of PC copied to MAR

2. ___ is accessed and data set to MDR

3. Contents of MDR copied to CIR

4. PC incremented