THE COMPUTER SYSTEM 1 - COMPONENTS OF COMPUTER SYSTEM - HARDWARE - SOFTWARE - PEOPLE WARE/LIVE WARE (JS2 NOTES)

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 THE COMPUTER SYSTEM 1 - 

COMPONENTS OF COMPUTER SYSTEM - 

HARDWARE - SOFTWARE - PEOPLE WARE/LIVE WARE

THE COMPUTER SYSTEM

This is a set of electronic devices that consist of functional hardware and software that can be operated by trained user.

COMPONENTS OF COMPUTER SYSTEM

Components of computer system can be classified into

(a) Hardware

(b) Software and

(c) People/Live/Human Ware

(i) Hardware:

This is the physical parts or components of a computer that can be physically touched such as monitor, keyboard, hard drive disk, mouse, CPU (graphic cards, sound cards, memory, motherboard and chips), etc. The hardware also includes the following:

(i) central processing unit- This is responsible for processing instructions in the computer system. It consists of:

 (a) arithmetic and logic unit (ALU)- for calculations

(b) Control unit (CU)- that controls the activities of the computer.

(c) Memory/Storage Unit- for storage e.g CD, DVD, flash drives, hard disks, magnetic tapes e.t.c

(ii) Input Devices- These are used to enter data into the computer e.g keyboard, digital camera, scanner, barcode reader, light pen e.t.c

(iii) Output Devices: These are the devices that can be used to communicate with the end user. The results of the processed data are sent to the outside world through the output devices. Examples are printers, monitors, speakers, projector e.t.c

(b) Software:

 Computer software is a program written by a programmer or software developer that performs different tasks on the computer system. Examples of software are:

  • Netflix

  • Adobe Photoshop

  • YouTube TV

  • Web Browsers (Chrome, Firefox e.t.c)

  • Word Processor (Ms Word)

  • Games App e.t.c


(c) People/Live/Human Ware: This refers to human role in technology. It can include various aspects of the process such as human interaction, programming, productivity, teamwork, and project management.


Class Activities

1. Differentiate between hardware and software and list three (3) examples for each
2. What do you understand by "People Ware"?

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