J277 COMPUTER SYSTEMS (CPU, PRIMARY, SECONDARY COMBINED)

The physical components that make up a computer system (e.g. RAM, fan, mouse)

Answer explanation

The physical components that make up a computer system are referred to as hardware components. These include components like RAM, fan, mouse, etc.

The programs or applications that a computer can run (e.g word processor, browser, file manager)

Answer explanation

The correct term for the programs or applications that a computer can run is software.

Device that transmits data into the computer so that it can be processed (e.g. buttons, gamepad, keyboard, microphone)

Answer explanation

Input devices are used to transmit data into the computer for processing, such as buttons, gamepads, keyboards, and microphones.

Device that presents the results of processing to the user (e.g. screen, speakers, LED, Motor)

Answer explanation

The device that presents the results of processing to the user is a screen, speakers, LED, or motor.

This processes all of the data and instructions that make a computer system work. It fetches, decodes and executes instructions.

Answer explanation

The correct choice is the Central Processing Unit (CPU). It fetches, decodes, and executes instructions to make the computer system work.

In this type of architecture instructions and data can be stored in the same memory unit. In Little Man Computer (LMC) for example, both instructions and data are held in the same memory space.

Answer explanation

In this type of architecture, instructions and data can be stored in the same memory unit, as seen in Little Man Computer (LMC) where both are held in the same memory space.

In this type of architecture it stores programs and data in separate memory units. Entering or altering programs is harder with this method

Answer explanation

In Harvard architecture, programs and data are stored in separate memory units, making it harder to enter or alter programs.

Also known as a device. A piece of hardware connected to the central processing unit / computer to provide input, output or storage

Answer explanation

Peripheral

A small very fast temporary data store inside a CPU

Answer explanation

The correct choice is cache. Cache is a small, very fast temporary data store inside a CPU.

The register in the CPU which stores the memory address of where the next item of data will be fetched from

Answer explanation

The register in the CPU that stores the memory address of the next data item to be fetched is called the Memory Address Register (MAR).