IBCS 2 - Chapter 2

Question 1

The part of the CPU that performs mathematical and AND/OR operations is called...

Accepted Answer

ALU

Question 2

This type of memory is used so CPU can fetch instructions faster from main memory.

Accepted Answer

Cache

Question 3

This unit loads new commands into CPU, decodes it and also regulates data flow.

Accepted Answer

CU

Question 4

This is a type of circuit that holds memory location information from which data can be fetched or sent to.

Accepted Answer

MAR

Question 5

MAR's sole function is holding the address of next instruction CPU needs to execute.

Accepted Answer

True

Question 6

(a) Data bus - RAM to CPU via MDR. (b) Control bus - RAM to CPU via CU. (c) Memory Bus - RAM to CPU via MAR.

Accepted Answer

All are TRUE.

Question 7

This is connected to the data bus.

Accepted Answer

MDR

Question 8

This type of circuit holds data that needs to be moved from one location to another in memory.

Accepted Answer

MDR

Question 9

Busses are wires that connect CPU to other devices.

Accepted Answer

True

Question 10

Contents of primary memory can be typically lost when power is turned OFF if there is no secondary storage.

Accepted Answer

True

Questions 10