This past question is created to help students better understand the structure of Computer System for Business questions and prepare effectively for their examinations. Created by Armstrong Computers, our mission is to bring ICT to the doorstep of every student, empowering them to upgrade their skills and careers. Armstrong Computers is a place where vision meets excellence.
At Armstrong Computers, our mission is to bring Information and Communication Technology (ICT) education to your doorstep. We believe that every student should have access to practical tools and real past questions that reflect the structure and expectations of their upcoming exams.
This blog features both theoretical (Section A) and applied (Section B) questions from previous years. You can study them conveniently at home, in class, or on the go. You’ll also find structured answers (optional), useful definitions, and sample explanations to guide you.
At Armstrong Computers Where Vision Meets Excellence we are committed to equipping learners with knowledge that transforms their academic and professional journeys. Now let’s dive into the questions and get you one step closer to success! 🚀
SECTION A
1) Describe the desktop directory of a windows-based computer.
The desktop directory is the screen area that appears after booting a Windows computer. It contains icons, shortcuts, and files, allowing easy access to frequently used applications and folders.
2) Describe the functions of modem
A modem modulates and demodulates signals to enable communication over telephone lines, connecting computers to the internet.
3) Describe the functions of the CPU
The CPU (Central Processing Unit) processes instructions from software and hardware, acting as the brain of the computer.
4) Describe the functions of three (3) special keys
Shift: Capitalizes letters or activates secondary key functions. Ctrl: Used in shortcuts. Alt: Used for alternate commands or shortcuts.
5) Describe the importance of the title bar of application software
The title bar displays the name of the open file and application, and provides buttons to minimize, maximize, or close the window.
6) Describe the major role of the RAM
RAM temporarily stores data and instructions currently in use, allowing faster processing and multitasking.
7) Describe the role of My computer directory on the desktop
The My Computer directory gives access to system storage devices, connected drives, and system properties.
8) Describe the storage devices and their capacity range.
Storage devices include hard disks (GB to TB), USB flash drives (MB to GB), CDs/DVDs (700MB to 4.7GB), and SSDs (up to several TB).
9) Describe the types of optical disks
Types include CD (Compact Disc), DVD (Digital Versatile Disc), and Blu-ray Disc. They differ in capacity and use.
10) Convert 416 (base 16) to binary, octal and decimal number systems respectively.
WiFi stands for Wireless Fidelity. It allows devices to connect to the internet without physical cables. It is used in homes, offices, and public areas.
2. Explain the task involved in computer security with reference to computer virus
Tasks include using antivirus software, updating programs, enabling firewalls, and avoiding suspicious downloads to protect against malware.
3. Explain the term TELNET.
TELNET is a network protocol used to provide a command-line interface for communication with a remote device or server.
4. Explain the terms Data and Information.
Data are raw facts and figures. Information is processed data that is meaningful and useful.
5. Write a short note on classification of computers.
Computers are classified by size and capability: Supercomputers, Mainframe computers, Minicomputers, and Microcomputers.
6. Briefly describe the components of the computer
Components include the input unit (keyboard, mouse), output unit (monitor, printer), CPU, and storage devices.
7. Briefly describe the uses of the Windows Explorer
Windows Explorer helps users navigate files and folders, create directories, copy, move, and delete files.
8. Outline the various parts of an opened Window
Parts include the title bar, menu bar, toolbar, scroll bars, status bar, and work area.
9. Write a short note on Windows
Windows is an operating system developed by Microsoft, providing a graphical user interface for interaction with the computer.
10. Briefly describe the uses/roles of the Control Panel
The Control Panel allows users to configure hardware, software, system settings, and manage user accounts and accessibility options.
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