Introduction to COA questions and answers(graded A+).

Introduction to COA questions and
answers(graded A+)
What is a computer system composed of - answer A computer system is
composed of
hardware and software


What are the main hardware components - answer Central Processing Unit
(CPU)


Memory (RAM, ROM, etc.)


Input/Output (I/O) devices


what is the CPU - answer The CPU is the 'brain' of the computer. It is the
device that carries out software instructions.


what are the Key Functions of the CPU - answer Fetch Instructions From
Memory


Decode And Execute Instructions


Perform Arithmetic And Logical Operations


Coordinate And Control The Entire Computer System


What does the memory do - answer MEMORY STORES DATA AND
INSTRUCTIONS FOR
THE CPU

, What are Types Of Memory - answer Random Access Memory (Ram)


Read-only Memory (Rom)


Cache Memory


What do input and output devices do? - answer I/O devices allow the
computer to interact with the
outside world


Give examples of input and output devices - answer Input devices:
keyboard, mouse, scanner, etc.


Output devices: monitor, printer, speaker, etc


Storage devices: hard disk, solid-state drive,
USB drive, etc.


what is Computer organization - answer Computer organization is the way
components are interconnected and
coordinated


What are the Key principles Computer organization - answer Addressing
and memory management


Instruction set architecture (ISA)


Pipelining and parallelism


What is Instruction Set Architecture (ISA) - answer The ISA defines the set
of instructions that the CPU can