Font size
WorksheetsSystem Architecture (GCSE)_LC
Total questions: 20
Worksheet time: 12mins
What does CPU stand for?
Computer Processing Unit
Central Processing Unit
Computer Processing Utility
Computer Peripheral Unit
Which of the following can affect the performance of a CPU?
Cache size
Number of cores
Clock Speed
All of the above
Which part of the CPU controls the flow of data and instructions.
Arithmetic Logic Unit
Control Unit
Cache
Registers
Which part of the CPU is responsible for all the calculations?
Control Unit
Arithmetic Logic Unit
MDR
MAR
Which part of the CPU holds the immediate results of the calculations of the ALU?
Accumulator
Program Counter
Memory Address Register
Memory Data Register
Which part of the CPU holds the memory address of the next instruction in the cycle?
Accumulator
Memory Address Register
Memory Data Register
Program Counter
Tick the correct statements about the CPU in a computer.
CPU stands for Central Processing Unit
The CPU fetch and decodes instructions
The speed of the CPU is usually in GHz
If a CPU has many cores, this slows down the computer.
The hard disk is part of the CPU.
What is Cache memory?
memory that is stored on Hard Disk.
very fast memory inside the CPU.
Random Access Memory
Which of these statements about Von Neumann architecture is true?
Only data is stored in primary memory
Only instructions are stored in primary memory
Data and instructions are both stored in primary memory
What is an embedded system?
A system that has many processors
A computer designed to perform more than one task
A small computer that forms part of a larger system
What is the purpose of RAM?
Stores the current data, program and files being used.
Holds the BIOS and OS used at start up.
What is the purpose of ROM?
Holds the BIOS and OS used at start-up
Holds the program, files and instructions in use.
Read the statement below and select the correct response.
This is used as extra storage when the main memory ( RAM ) is full.
Level 1 Cache
ROM
Level 2 Cache
Virtual Memory
What is held in cache?
All of the programming instructions
Commonly used instructions and data
Instructions that have been processed
Data that hasn’t been used for a long time
What component holds the address of the next instruction?
Memory Address Register
Memory Data Register
Accumulator
Program Counter
This holds the instruction/data temporarily after it is brought to the processor from the main memory
Memory Address Register
Memory Data Register
Accumulator
Program Counter
This would perform an operation including the word “And”
Arithmetic Logic Unit
Control Unit
Cache
Accumulator
This would perform an operation such as 5+8
Control Unit
Arithmetic Logic Unit
Cache
Accumulator
This sends signals such as “I/O Read
Control Unit
Arithmetic Logic Unit
Cache
Accumulator
This would reduce the number of memory/processor transfer
Cache
Virtual Memory
Accumulator
Clock Speed
