Y9: Computer System Unit: Technical Key Terms (T3)

Is the physical stuff that makes up your computer system, like the CPU, motherboard, monitor and printer.

is the programs that a computer system runs. You can have application ________ and system ________.

___________ Software: Programs that help the user perform a specific task, e.g. word processors, web browsers, database software etc.

______ Software: software designed to run and maintain a computer system.

________ systems are computers built into a device. Often used as control systems, they monitor and control machinery in order to achieve a desired result.

_____ supply - supplies power to motherboard, optical and hard drives and other hardware.

Case _______ Fan: extracts hot air from within the computer case.

Brain of the computer system. Processes all the data and instructions. It speed depends on: clock speed, cores, cache size and type.

The _______ Unit: this part of a CPU, is in overall control of the CPU. Its main job is to manage the fetching, decoding and execution of program instructions by following the FDE cycle.

It also controls the flow of data inside (ALU, registers and cache) and outside of the CPU (to RAM and input and output devices etc.)

The __________ Logic Unit:

Does all calculations. Completes + / * -. Performs logic (AND OR NOT)

Registers hold results of the calculations