Page 42 - UNI 101 Computer Science Handout.

Faculty of Nursing
Adult care Nursing Department

https://www.youtube.com/watch?v=PujjqfUhtNo

2.1.1.3 Input/Output Devices

• Bar Code Scanners.

• Optical Character Recognition Scanners.

• Image Scanners.

• RFID Readers.

• Video and Audio Capture Devices.
• TV Tuners.

• Video Cameras.

• SD, Smart Card, etc. Card Readers.

• Fingerprint and Face Readers.

• Touch Screens Graphics Tablets.
• X-Y Plotters.

https://www.youtube.com/watch?v=g8C5aUCFM5o

2.1.2 Software Component

In addition to the hardware requirement, your computer system also requires software. Software

consists of the programs that tell the computer what to do. To do useful work, your system must execute

instructions from some program. There are two major categories of software: system software and
application software. System software helps you to manage your files, to load and execute programs,

and to accept your commands from the mouse and keyboard. The system software programs that

manage the computer are collectively known as an operating system, and differ from the application

programs, such as Microsoft Word, or Firefox, or the programs that you write, that you normally run to
get your work done.
42 Academic Year 2025/2026