All

Question 1

What is the “brain” of a computer or embedded system

Answer 1

Microprocessor

Question 2

Name the main part of the microprocessor responsible for executing instructions

Answer 2

Central Processing Unit (CPU)

Question 3

What unit performs mathematical and logical operations in the CPU

Answer 3

Arithmetic Logic Unit (ALU)

Question 4

Which unit directs the flow of data in fetches instructions from memory

Answer 4

Control Unit (CU)

Question 5

Identify the small fast storage location inside the CPU used for temporary data

Answer 5

Register

Question 6

What type of bus moves actual data between components

Answer 6

Data Bus

Question 7

Which bus transfers memory addresses

Answer 7

Address Bus

Question 8

Name the bus that sends control signals to coordinate operations

Answer 8

Control Bus

Question 9

What type of memory stores data temporarily for active tasks

Answer 9

RAM ( Random Access Memory)

Question 10

Which memory stores permanent data in firmware

Answer 10

ROM (Read Only Memory)

Question 11

What devices allow the micprocessor to interact with the outside world

Answer 11

I/O (Input/Output) Devices

Question 12

Name an example of an input device used by microprocessor

Answer 12

Keyboard, Mouse, or Sensor

Question 13

Give an example of an output device that displays results from the microprocessor

Answer 13

Monitor, LED display, Speaker

Question 14

What is the first step in the instruction execution cycle

Answer 14

Fetch

Question 15

Which step of the execution cycle involves the CU understanding the instruction

Answer 15

Decode

Question 16

Name the step in which the microprocessor gathers needed data for execution

Answer 16

Fetch Operand

Question 17

Identify the step where the micro processor performs the operation

Answer 17

Execute

Question 18

What step in the cycle involves saving their result back into the memory or a register

Answer 18

Store Output Operand

Question 19

What is the term for high speed memory that stores frequently used instructions

Answer 19

Cache Memory

Question 20

Which type of primary memory is volatile and losses data without power

Answer 20

RAM

Question 21

Name the type of memory that retains data even without power

Answer 21

ROM

Question 22

What is the small and fastest type of cash memory

Answer 22

L1 cache

Question 23

Which cash memory is shared among CPU cores and is the largest

Answer 23

L3 cache

Question 24

What is cache hit

Answer 24

Data found in cache memory

Question 25

What is cache miss

Answer 25

Data not found in cache memory

Question 26

What unit fetches data and instructions from memory in a microprocessor

Answer 26

Bus Interface Unit (BIU)

Question 27

What unit processes fetched instruction in the microprocessor

Answer 27

Execution Unit (EU)

Question 28

Identify the temporary buffer that stores fetched instructions

Answer 28

Instruction queue

Question 29

What does FIFO stand for in the context of an instruction queue

Answer 29

First in, First out

Question 30

Which unit performs calculations and logic operations during execution

Answer 30

Arithmetic Logic Unit (ALU)

Question 31

Which unit in the microprocessor handles address calculation for data fetching

Answer 31

Bus Interface Unit (BIU)

Question 32

Name the two main components of a CPU

Answer 32

Control Unit (CU) & Arithmetic Logic Unit (ALU)

Question 33

What allows the CPU to preload instructions to reduce execution time

Answer 33

Instruction queue

Question 34

What memory system component is vital for running multiple programs efficiently

Answer 34

Memory System

Question 35

What type of memory serves as a buffer to reduce the processor's waiting time

Answer 35

Cache Memory

Question 36

What memory stores the computers both up program, such as the bios

Answer 36

ROM (eg. Bios)

Question 37

Name the primary advantage of having more RAM in a system

Answer 37

Run more programs simultaneously without slowing down

Question 38

Which type of memory is used as firmware storage

Answer 38

ROM

Question 39

What unit takes fetch instruction from the queue and executes them

Answer 39

Execution unit (EU)

Question 40

Name the three primary types of system buses in a microprocessor

Answer 40

Data Bus, Address Bus, Control Bus

Question 41

Which bus facilitates communications between the CPU and the memory addresses

Answer 41

Address Bus

Question 42

What is the purpose of the BIU in a microprocessor's workflow

Answer 42

Fetches Instructions and data from memory

Question 43

What type of memory helps reduce the bottlenecks by speeding up repeated operations

Answer 43

Cache Memory

Question 44

Identify the sequence of steps in the instruction execution cycle

Answer 44

Fetch, Decode, Fetch Operand, Execute, Store Output Operand

Question 45

What step involves gathering additional data needed for a calculation or operation

Answer 45

Fetch Operand

Question 46

Name the high speed buffer located inside or near the CPU

Answer 46

Cache Memory

Question 47

Which memory type is faster RAM or ROM

Answer 47

RAM

Question 48

What does the EU use to perform arithmetic in logic operations

Answer 48

Arithmetic Logic Unit (ALU)

Question 49

What improves execution speed by ensuring instructions already in advance

Answer 49

Instructions queue

Question 50

Which unit in the microprocessors improves efficiency by working in parallel with the EU

Answer 50

Bus Interface Unit (BIU)