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Hardware refers to the physical components of a computer. Software refers to the programs or instructions that run on the physical computer. We can entirely change the software on a computer, without changing the hardware and it will transform how the computer works.
Chapter 1: Types and components of computer systems. Learning objectives. When you have finished this chapter you will be able to: define the physical components of hardware for a computer system, including identifying internal hardware devices. identify external hardware devices and peripherals.
There are many types of computer systems in existence. This section summarizes some of the more common types currently available. PC/desktop computers. PC/desktop usually refers to a general purpose computer which is made up of separate monitor, keyboard, mouse and processor unit (see Figure 1.1).
As its name implies, a desktop computer is a full-size computer that is too big to be easily carried around. Th e main component of a desktop PC is the system
Hardware: The physical part. Software: The instructions that tell hardware how to transform the input data into the necessary output. Connections: Its ability to communicate with other computers. At the desktop. CPU (Central Processing Unit) Interprets and executes the instructions in each program.
A basic introduction into computer hardware and a practical guide to using computers. Section I. INTRODUCTION TO COMPUTER HARDWARE. Technical Specifications. Hardware: the physical ‘touchable/hard’ components of a computer. Software (many are often referred to as “Apps”) : the programs that control or run the hardware.
Hard Drive: The main storage area inside your computer (usually called a C: drive). The hard disk or hard drive stores your computer's operating system, the programs that are installed on your computer, and most of your files. Hard drive capacity is measured in gigabytes.
