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Computers are part of everyday activities like studying, shopping, communication, and
entertainment.
A computer is a device that processes information using two main parts: hardware
(physical parts) and software (programs).
Computers work quickly, accurately, and can store large amounts of data.
Computers help us learn, connect with others, do homework, create projects, find
information, and more.
Computers do four main things: take in information (input), process it, show results
(output), and store data.
IPO stands for Input-Process-Output, where input is given, processed by the CPU, and
shown as output.
Computers are made up of different components for input, processing, output, and
storage.
Hardware includes input devices (keyboard, mouse), output devices (monitor, printer),
and storage devices (hard drives, SSDs).
Data storage is measured in units like bytes, kilobytes (KB), megabytes (MB), gigabytes
(GB), and terabytes (TB).
Software is a set of instructions that enables a computer to perform tasks, with apps on
mobile devices being examples.
Application software are designed for user-specific tasks, such as word processors,
spreadsheets, and web browsers.
Disk Management is a Windows tool for managing storage devices, including partitioning
drives.
File Explorer is a tool to access and manage files and folders on Windows, enabling
actions like moving and renaming files.
Recycle Bin temporarily stores deleted files, allowing for restoration or permanent
deletion.
Tech Trivia Section A (Objective)
A. Tick ( ) the correct option.
1. Which of the following is a primary characteristic of a computer?
a. Inaccuracy b. Versatility
c. Slow processing d. Limited storage
2. Identify the device used to scan and digitise physical documents.
a. Keyboard b. Scanner
c. Mouse d. Printer
36 Information Technology (V5.0)-VIII

