System Architecture (GCSE)_LC

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