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WorksheetsOCR J277 1.1 Systems Architecture MCQ (Quiz 1)
Total questions: 20
Worksheet time: 10mins
The CPU is:
Control processing unit
Centralised process unit
Central process unified
Central processing unit
The processor…
Carries out instructions
Is main memory
Is secondary storage
Is an input device
The main computer components are:
Input/Output/CPU/Main memory
CPU/Main memory/Secondary storage
Input/Output/CPU/Main memory/Secondary storage
CPU/Main memory/Secondary storage
This is secondary storage:
CPU
GPU
USB
RAM
The Processor doesn’t do the following
Process data
Execute instructions
Execute data
Operate in Hz
The part of a processor in which instructions are executed is known as?
Core
Centre
Execution
Instruction centre
What acts as an intermediary between the processor and the main memory?
Bus
User
Cache
Clock
What is held in cache?
All the programming instructions
Commonly used instructions and data
Instructions that have been processed
Data that hasn’t been used for a long time
This would perform an operation such as 5+8 ?
Arithmetic Logic Unit
Accumulator
Cache
Control Unit
What is held in ROM?
Data currently in use
Bootstrap loader
Instructions frequently used
Operating System
This carries the address of the next instruction:
Address bus
Data bus
Control bus
System bus
What is a property of an address bus?
Carries data and instructions
Uni-directional
Bi-directional
Carries control signals
What is transferred down the data bus?
Data only
Address Only
Data and Instructions
Data, Instructions and Addressess
What accurately describes a peripheral?
A component of a computer system
A device that is not directly connected to the CPU
A device that is directly connected to the CPU
A device that is plugged in
This is not a type of secondary storage
Blu-Ray Drive/Disc
Flash Memory
Hard Disk Drive
RAM
What is the purpose of the accumulator?
To perform arithmetic operations
To hold the results of a calculation
To hold the accumulation of instructions that have happened
To remember the previous instruction being worked on
Processors have a speed measured in
Hertz
Bits
Bytes
Seconds
If the number of cores goes up from 2 to 4, what is the exact effect on
performance?
Performance decreases
The maximum number of instructions executed per second doubles
The maximum number of instructions executed per second quadruples
The maximum number of instructions executed per second is halved
If the processing speed goes up from 1GHZ to 4GHZ, what is the exact effect on the
performance of the computer?
The maximum number of instructions executed per second doubles
The maximum number of instructions executed per second quadruples
The maximum number of instructions executed per second is halved
The maximum number of instructions executed per second is quartered
If the processing speed goes up from 1GHZ to 4GHZ and the number of cores
goes from 1 to 8, what is the exact effect on the performance of the computer?
Eight times faster
Sixteen times faster
Thirty-two times faster
Sixty four times faster
