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CPSC 355 Final Questions with Correct Answers for Specific Exam Mail supergrades12@gmail.com

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CPSC 355 Final Questions with Correct Answers for Specific Exam Mail

Institution
CPSC 355
Course
CPSC 355

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CPSC 355 Final Questions with Correct
Answers for Specific Exam Mail

What does a basic computer system consist of

Ans: CPU
System Clock
Primary and secondary memory
Peripheral I/O devices
Bus



What is the purpose of the CPU

Ans: Controls the transfer of data across the bus and
executes instructions



CPU's main parts

Ans: Control Unit (CU)
Arithmetic Logic Unit (ALU)
Registers



What is the purpose of a general purpose reg

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, 2


Ans: to temporarily hold data and addresses



What is the PC's purpose

Ans: contains the addresses of the currently executing
instruction and increments to execute the next instruction



What is the Status reg's purpose (SR)

Ans: contains info (flags) about the results of the previous
instruction



What is the ALU's purpose?

Ans: Performs arithmetic and logical operations stored in
a reg



What is the CU's purpose?

Ans: directs the execution of instructions



How does the CU do what it's supposed to do

Ans: decodes the opcode to identify the operation


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