1
CPSC 355 Questions with Correct
Answers for Specific Exam Mail
A basic computer system consists of:
Ans: Central Processing Unit (CPU)
System Clock
Primary Memory
Secondary Memory
Peripheral devices
Bus
What is the the purpose of the CPU?
Ans: Executes instructions
Controls the transfer of data across the BUS
What are the 3 main parts of the CPU?
Ans: Control Unit (CU)
Arithmetic Logic Unit (ALU)
Registers
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What is the Job of the CU?
Ans: - Directs the execution of instructions
What is the Job of the ALU?
Ans: Preforms arithmetic and logical operations on data
stored in registers
What are Registers?
Ans: Are binary storage units within the CPU
What are general-purpose registers?
Ans: Used to temporarily hold data and addresses
The Program Counter(PC)?
Ans: Contains the address in memory of the currently
executing instruction
The Status Register?
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Ans: Contains information(flags) about the results of a
previous instruction
What is the System Clock?
Ans: Generates a clock signal to synchronize the CPU
and other clocked devices
iMac(2016) - 3.2 GHz
Raspberry Pi - 700 MHz
What is Primary Memory?
Ans: Is Random Access Memory that is volatile and is
used to store program instructions and program data
What is a Bus?
Ans: Is a set of parallel data/signal lines used to transfer
information between computer components
3 types of Bus?
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Ans: Address Bus - Specifies memory location in RAM
Data Bus - Used for bidirectional data transfer
Control Bus - Used to control or monitor devices
connected to the bus
What is Secondary Memory?
Ans: Is used to hold a computer's file system
Is non-volatile read/write memory
Usually embodied on a hard disk drive (HDD)
What are peripheral I/O Devices?
Ans: Allow communication between the computer and
the external environment
Examples of input Devices
Ans: Keyboard
Pointing devices
Microphone
Scanner
Pretest - Stuvia US
CPSC 355 Questions with Correct
Answers for Specific Exam Mail
A basic computer system consists of:
Ans: Central Processing Unit (CPU)
System Clock
Primary Memory
Secondary Memory
Peripheral devices
Bus
What is the the purpose of the CPU?
Ans: Executes instructions
Controls the transfer of data across the BUS
What are the 3 main parts of the CPU?
Ans: Control Unit (CU)
Arithmetic Logic Unit (ALU)
Registers
Pretest - Stuvia US
,2
What is the Job of the CU?
Ans: - Directs the execution of instructions
What is the Job of the ALU?
Ans: Preforms arithmetic and logical operations on data
stored in registers
What are Registers?
Ans: Are binary storage units within the CPU
What are general-purpose registers?
Ans: Used to temporarily hold data and addresses
The Program Counter(PC)?
Ans: Contains the address in memory of the currently
executing instruction
The Status Register?
Pretest - Stuvia US
,3
Ans: Contains information(flags) about the results of a
previous instruction
What is the System Clock?
Ans: Generates a clock signal to synchronize the CPU
and other clocked devices
iMac(2016) - 3.2 GHz
Raspberry Pi - 700 MHz
What is Primary Memory?
Ans: Is Random Access Memory that is volatile and is
used to store program instructions and program data
What is a Bus?
Ans: Is a set of parallel data/signal lines used to transfer
information between computer components
3 types of Bus?
Pretest - Stuvia US
, 4
Ans: Address Bus - Specifies memory location in RAM
Data Bus - Used for bidirectional data transfer
Control Bus - Used to control or monitor devices
connected to the bus
What is Secondary Memory?
Ans: Is used to hold a computer's file system
Is non-volatile read/write memory
Usually embodied on a hard disk drive (HDD)
What are peripheral I/O Devices?
Ans: Allow communication between the computer and
the external environment
Examples of input Devices
Ans: Keyboard
Pointing devices
Microphone
Scanner
Pretest - Stuvia US
