Computer Hardware Lesson III
Lesson Objectives By the end of this lesson you should be able to: State and explain various special purpose memories Define software classify software into various categories
Special Purpose Memories
There are three types of special-purpose memories:
These are memories found within input and output devices. They hold data awaiting processing or data that has been processed to free the CPU.
Registers are special-purpose memories located inside the CPU.
Examples of registers
Computer software refers to a set of instructions that guides the computer on how to perform specific tasks.
Software Classification According to Purpose
This software is designed to manage system resources and avail them to the user.
System software includes:
An operating system is system software that manages the computer hardware and provides a platform for the installation of application software
Firmware refers to the tangible electronic component of a computer with embedded software for example BIOS in ROM
Utility software is a system software meant to maintain, optimize, and configure a computer.
Networking software is meant to facilitate communication between two or more computers on a network e.g Network Operating System