Computer Processor Basics

Question 1

Which component controls data movement?

Accepted Answer

Control Unit

Question 2

What does the data bus do?

Accepted Answer

Carries data

Question 3

What architecture is based on the stored program concept?

Accepted Answer

von Neumann

Question 4

True or False: CPU and microprocessor are different.

Accepted Answer

False

Question 5

What characterizes embedded systems?

Accepted Answer

Dedicated function

Question 6

Where is data temporarily stored in the CPU?

Accepted Answer

MDR

Question 7

What is clock speed measured in?

Accepted Answer

Cycles per second

Question 8

Which of these registers in the CPU holds the instruction that is going to be executed?

Accepted Answer

CIR

Question 9

What is a very small amount of temporary storage inside a CPU known as?

Accepted Answer

Register

Question 10

What is the purpose of mnemonics?

Accepted Answer

Represent machine code

Question 11

What is the role of the ALU?

Accepted Answer

Performs calculations

Question 12

What does the accumulator in a CPU do?

Accepted Answer

Holds calculation results

Question 13

What is the function of cache in a CPU?

Accepted Answer

Store temporary data

Question 14

How does the CPU execute instructions?

Accepted Answer

By carrying out commands

Question 15

Purpose of the address bus is?

Accepted Answer

Carries addresses

Question 16

What is unique about machine code?

Accepted Answer

Machine-specific

Question 17

In computer architecture, what bus carries the type of operation to carry out e.g. read/write

Accepted Answer

Control bus

Question 18

What does CPU stand for?

Accepted Answer

Central Processing Unit

Question 19

What is not stored in the same memory in von Neumann architecture?

Accepted Answer

Both are stored

Question 20

What is an embedded system typically known for?

Accepted Answer

Low power consumption

Question 21

What does the von Neumann architecture include?

Accepted Answer

Control unit

Question 22

Which is an example of an embedded system?

Accepted Answer

Traffic lights

Question 23

Which of these registers in the memory holds the location of the data to be accessed?

Accepted Answer

MAR

Question 24

What does 'LDA' represent in assembly language?

Accepted Answer

A mnemonic

Question 25

How does the CPU fetch instructions?

Accepted Answer

By checking the program counter

Question 26

What does doubling the number of cores do?

Accepted Answer

Doesn't double speed

Question 27

Which register holds the next instruction's address?

Accepted Answer

PC

Question 28

What affects a CPU's performance the most?

Accepted Answer

Clock speed

Question 29

What is the function of the control bus?

Accepted Answer

Carries command signals

Question 30

Which of these registers in the CPU holds the location of the next instruction to execute?

Accepted Answer

PC

Question 31

In computer architecture, which register carries the location of data in memory?

Accepted Answer

MAR

Question 32

What is a core in a CPU?

Accepted Answer

A processing unit

Question 33

What does cache size affect?

Accepted Answer

Processing speed

Question 34

What does the CPU do billions of times a second?

Accepted Answer

Fetch, decode, execute

Computer Processor Basics

Questions 34

Computer Processor Basics

Questions 34