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Computer Science 1.1.1 : Structure and Function of the Processor Flashcards | StudBud
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Computer Science 1.1.1 : Structure and Function of the Processor
Computer Science 1.1.1 : Structure and Function of the Processor
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General revision quiz for A-level Computer Science, OCR Syallbus as of September 2015
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Questions
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Answers
1
Where are the results of the ALU stored?
In the ALU
In the control unit
In the Registers
In the accumulator
2
Which type of processor uses a single processor, but allows multiple cores/
Von Neumann
Harvard
3
What is the Immediate access store (IAS) also known as?
SOM
ROM
RAM
TOM
4
What does the data bus do?
Transfers binary data between registers
Transfers binary data between locations
5
Which register holds the RAM address you want to read or write from?
Memory address register
Program counter
Memory data register.
Current instruction register
6
Which one of these is a function of the ALU?
Hold data for processing
All of the Above
Send information where it needs to go
Perform logical calculations
7
Which Processor can increase it's overall speed from the way it functions?
Von Neumann
Harvard
8
Name the 4 parts of the CPU
Control Unit, Registers, Intermediate access store, ALU
ALU, IAS, Control bus, registers
Registers, ALU, IAS, master control unit
Registers, ALU, Control unit, IAS
9
What is Software?
A System utility.
A cushion
The Physical component of a computer.
Programs that make the hardware do useful things.
10
Which processor doesn't use two separate memories?
Harvard
Von Neumann
11
What is a peripheral device?
Piece of hardware the computer needs to run
Piece of hardware that connects to the computer.
Piece of hardware used for system maintenance
A card game
12
What does the control unit do?
Communicate with bob
Nothing it just has a fancy name
Sends out signals to co-ordinate how the processor works
Sends out signals to tell the software what to do.
13
Name the content(s) of the CIR during the Decode stage of the Fetch-Decode-Execute cycle.
Operand and Operend
Operand and Operator
Operand is the only content of this stage
14
What is the Immediate access store? (IAU)
What holds instructions for the CPU.
Where the calculations are performed.
Gandalf's dog
What holds the instructions after they are created.
15
What is the CPU?
The brains of the computer
A piece of hardware
A cool mix tape.
A piece of software.
16
What does the address bus do?
Carries instructions to RAM
Carries instructions to the CPU
Carries the addresses between the CPU and RAM
17
What is Pipe-lining?
Data Processing events executed in parallel
Data processing events executed in series
18
What is the role of the Arithmetic logic unit?
Carry out logical decisions and mathematical calculations.
Co-ordinate how the processor works
Store results of calculations.
Carry out decisions that aren't logical
19
What holds the next instruction to be fetched and executed.
Interrupt register
Accumulator
Current instruction register
Program Counter
20
Which one of these is a factor affecting CPU performance?
Cores
Materials
Word Size
All of the Above
21
Which register holds the data you have read from RAM or want to write to RAM.
Program counter
Status register
Memory data register
Memory address register
22
What does the Control bus do?
Sends signals to co-ordinate when something should occur.
Sends the signals to co-ordinate when things happen
Controls commands from within the registers
23
What is Hardware?
Physical Component of a Computer.
Piece of Hardware that connects to a Computer.
A Type of Potato
Program of a Computer.
24
What are registers?
What co-ordinates the signals of the computer.
memory locations within the CPU.
Memory locations within the hardware
A piece of software that logs user actions.
25
What does the control unit control?
Fetch-Decode-Execute Cycle
The world
Your mind
The hardware of the computer.
