Computer Science GCSE Paper 1 Computer Systems

What is meant by hardware?

• The physical components of a computer system

• The programs that you run on a computer system

• A computer which is built into a larger device

• The computer component which give long term storage of programs and data.

Which of the following is not a component of the CPU?

• ALU

• CU

• Cache

• RAM

Where are the results of intermediate calculation being performed by the CPU stored?

• Accumulator

• MAR

• MDR

• PC

Put the following in order of the speed with which data can be accessed by the CPU, fastest to slowest:

• Registers, cache, RAM, hard drive

• Cache, registers, RAM, hard drive

• Registers, RAM, cache, hard drive

• Hard drive, RAM, cache, registers

What is being described: an area of secondary storage which is used by the CPU when the main memory is full.

• Virtual memory

• Solid state storage

• D-RAM

• Registers

What are the three main types of secondary storage technology?

• Magnetic, Optical, Solid state

• HDD, USB, DVD

• Magnetic, Solid State, Electronic

• RAM, registers and cache

What is clock speed measured in?

• Hz

• Seconds

• Bits per second

• Bits

What is being described: a global network of computers

• The internet

• The world wide web

• The cloud

• A web browser

What is the name of the component which allows a device to connect to a network?

• Network Interface Controller

• Router

• Switch

• Wireless Access Point

Wi-fi typically uses which frequency bands?

• 2.4 GHz and 5 GHz

• 2.4 Hz and 5 Hz

• 1 and 2

• A and B