Computer Software : MCQs & PYQs with Explanation

Option B

Artificial Intelligence (AI) personal digital assistants are software agents that can perform tasks, answer questions, and interact with users using voice commands or text.

Option C

An IDE (Integrated Development Environment) provides all the necessary development tools such as text editors, compilers, debuggers, code libraries, and testing platforms within a Single integrated framework.

Option A

Computers understand only machine language (binary code). Therefore, programs written in assembly language must be converted into machine language before execution.
An Assembler is a translator program that converts assembly language instructions into machine language instructions.

• The Linker, combines object files and libraries.

Option C

System Software is the type of software that manages computer hardware and provides a platform for running application software. Common examples of system software include the Operating System (OS), utility programs, and language translators such as compilers, interpreters, and assemblers.

Application Software is designed to help users perform specific tasks or solve particular problems. It runs on top of system software and allows users to do activities like creating documents, managing databases, browsing the internet, or editing images. Examples include word processors, spreadsheet software, Database Management Systems (DBMS) software, and web browsers.

Utility Programs are System Software tools that help maintain, manage, and protect a computer. Examples include Antivirus Software for security, Disk Cleanup tools for removing unnecessary files, file compression software like WinRAR (Windows Roshal ARchive) or 7-Zip for reducing file size, backup software for data safety, and disk defragmenters for improving storage performance.

• A Database Management System (DBMS), such as MySQL, Oracle, Microsoft SQL Server, or MS Access, is an application software that allows users to store, organize, retrieve, and manage data efficiently.

Option B

An Integrated Development Environment (IDE) suite consolidates the basic tools required to write, test, and debug software. IDEs provide a comprehensive environment combining code editors, compilers or interpreters, debuggers, and testing tools, all accessible from one interface.

Option B

The CPU (Central Processing Unit) is often called the "BRAIN" of the computer. Its main job is fetch, decode, and execute instructions. The main components of the CPU are:

• Arithmetic Logic Unit (ALU): Handles arithmetic and logical operations such as addition, subtraction, and bitwise operations.
• Control Unit (CU): Directs the operation of the processor by managing the flow of data and instructions within the CPU.
• Registers/Memory Registers: Small, high-speed storage locations for temporary data during instruction execution.

Visual Display Unit (VDU): The VDU is an output device used for displaying processed data, not a part of CPU internal architecture.

Option C

An IDE (Integrated Development Environment) provides a single platform where developers can write, compile, debug, and manage code. Without an IDE, a developer must handle each tool Separately:

• Write code in a text editor.
• Compile using a compiler.
• Debug using a separate debugger.
• Manage libraries and dependencies manually.

Option A

Application Software is software designed to perform a specific task for the user. It helps users complete particular activities such as typing documents, calculations, drawing, or browsing the internet.

Option D

System on a Chip (SoC) is a highly integrated microchip that contains all the essential components of a computer or smartphone including processor cores (CPU), memory (RAM and ROM), Graphics Processing Unit (GPU), input/output controllers, modems, and other peripherals on a single chip.

SoCs are designed to fit into compact devices like smartphones, enabling them to run efficiently with reduced space, power consumption, and heat dissipation.

Unlike a processor on a chip, which only contains the CPU, an SoC includes multiple functional units to handle computing, graphics, and communication.
 

Option D

Software licenses determine how software can be used, modified, and distributed. There are two types of software licenses: GPL (General Public License) or Open-Source Licenses, and Proprietary Licenses.

1. GPL Software is free and open source, allowing users to copy, modify, and distribute the software, even commercially, as long as derivative works also remain open. 
2. The Proprietary Software is copyrighted and owned by the developer or company, and users are prohibited from copying, modifying, or distributing it without permission.

Examples of GPL software include Linux, LibreOffice, Mozilla Firefox, WordPress and GIMP, while proprietary software includes Microsoft Windows, Adobe Photoshop, Adobe Dreamweaver, and Microsoft Office.

Option B

A Register is a small and very fast storage location inside the CPU (Central Processing Unit) used to temporarily hold data, instructions, or addresses that the CPU needs immediately during processing.

Option D

IDEs is a software application that provides comprehensive facilities to computer programmers for software development, combining essential tools like code editors, compilers, debuggers, and build automation into a single interface.

Option D

An Operating System (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

The key functions of an OS includes, process management, memory management, file management, device management, user interface etc.

Option A

Option A

The main function of the Central Processing Unit (CPU) in computers is to process data. It acts as the brain of the computer. The CPU performs three major tasks:

• Fetch, takes instructions from memory.
• Decode, interprets the instructions.
• Execute, processes the data and gives output.