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Software Concepts - Practice MCQs for CCAT

50 Questions Section B: Programming Computer Fundamentals

Software Concepts Question Bank for C-CAT

Practice 50 Software Concepts multiple-choice questions designed for CDAC CCAT exam preparation. Questions are paginated in sets of 10 and include detailed explanations.

50 total MCQs 10 per page Detailed explanations

What this topic covers

  • Topic-wise Software Concepts MCQs for C-CAT preparation.
  • Detailed explanations after every answer.
  • Focused revision questions for stronger preparation.
Q1.
System software includes:
AMS Word
BExcel
COperating System
DGames
Show Answer & Explanation

Correct Answer: C - Operating System

Operating System is system software. MS Word, Excel, and Games are application software.

Q2.
Which of the following is application software?
AWindows
BMS PowerPoint
CDevice Driver
DBIOS
Show Answer & Explanation

Correct Answer: B - MS PowerPoint

MS PowerPoint is application software used for making presentations.

Q3.
An assembler converts:
AHigh-level language to machine code
BAssembly language to machine code
CMachine code to assembly language
DSource code to object code
Show Answer & Explanation

Correct Answer: B - Assembly language to machine code

An assembler converts assembly language programs into machine code.

Q4.
A compiler:
ATranslates one statement at a time
BOnly works with Python
CIs not needed for C
DTranslates entire program at once
Show Answer & Explanation

Correct Answer: D - Translates entire program at once

A compiler translates the entire program into machine code at once before execution.

Q5.
An interpreter:
ATranslates entire program first
BTranslates line by line
CCreates executable file
DIs faster than compiler
Show Answer & Explanation

Correct Answer: B - Translates line by line

An interpreter translates and executes code line by line.

Q6.
Which is NOT a function of an operating system?
AMemory management
BProcess management
CCompiling programs
DFile management
Show Answer & Explanation

Correct Answer: C - Compiling programs

Compiling programs is done by a compiler, not the OS. OS manages memory, processes, and files.

Q7.
GUI stands for:
AGeneral User Interface
BGraphical User Interface
CGuided User Interaction
DGraphical Unified Interface
Show Answer & Explanation

Correct Answer: B - Graphical User Interface

GUI stands for Graphical User Interface, which uses visual elements for interaction.

Q8.
Which of the following is open-source software?
AWindows
BmacOS
CLinux
DMS Office
Show Answer & Explanation

Correct Answer: C - Linux

Linux is open-source software with freely available source code.

Q9.
A device driver is:
AApplication software
BSystem software
CHardware
DUtility software
Show Answer & Explanation

Correct Answer: B - System software

Device drivers are system software that enable communication between OS and hardware.

Q10.
Firmware is stored in:
AROM
BRAM
CHard Disk
DCache
Show Answer & Explanation

Correct Answer: A - ROM

Firmware is stored in ROM (Read Only Memory) and provides low-level control for hardware.

Q11.
Which is NOT a programming language?
AC++
BHTML
CJava
DPython
Show Answer & Explanation

Correct Answer: B - HTML

HTML is a markup language, not a programming language.

Q12.
What is the purpose of a linker?
ACompile code
BEdit source code
CDebug programs
DLink object files to create executable
Show Answer & Explanation

Correct Answer: D - Link object files to create executable

A linker combines object files and libraries to create an executable program.

Q13.
Utility software includes:
AWord processor
BWeb browser
CAntivirus
DDatabase
Show Answer & Explanation

Correct Answer: C - Antivirus

Antivirus is utility software that helps maintain and protect the computer system.

Q14.
What is middleware?
ASoftware connecting applications to OS
BHardware component
CStorage device
DInput device
Show Answer & Explanation

Correct Answer: A - Software connecting applications to OS

Middleware is software that connects applications to the operating system or other software.

Q15.
Object code is:
AMachine-readable code generated by compiler
BSource code
CPseudocode
DAssembly code
Show Answer & Explanation

Correct Answer: A - Machine-readable code generated by compiler

Object code is the machine-readable output produced by a compiler from source code.

Q16.
What does IDE stand for?
AInternal Data Exchange
BIntegrated Development Environment
CInteractive Design Engine
DIntegrated Data Editor
Show Answer & Explanation

Correct Answer: B - Integrated Development Environment

IDE stands for Integrated Development Environment, a software suite for development.

Q17.
Which is a real-time operating system?
AWindows 10
BmacOS
CUbuntu
DVxWorks
Show Answer & Explanation

Correct Answer: D - VxWorks

VxWorks is a real-time operating system used in embedded systems.

Q18.
What is the function of a loader?
ACompile programs
BDebug errors
CWrite source code
DLoad executable into memory
Show Answer & Explanation

Correct Answer: D - Load executable into memory

A loader loads executable programs into memory for execution.

Q19.
Shareware is:
AFree software
BTrial software with option to purchase
CPirated software
DSystem software
Show Answer & Explanation

Correct Answer: B - Trial software with option to purchase

Shareware is software distributed for trial with an option to purchase the full version.

Q20.
What is a debugger used for?
AWriting code
BRunning programs
CCompiling programs
DFinding and fixing program errors
Show Answer & Explanation

Correct Answer: D - Finding and fixing program errors

A debugger is a tool used to find and fix errors (bugs) in programs.

Q21.
Which of the following is system software?
ALinux
BGoogle Chrome
CMicrosoft Word
DVLC Media Player
Show Answer & Explanation

Correct Answer: A - Linux

Linux is an operating system, which is a type of system software that manages hardware and provides services.

Q22.
What is the primary function of an operating system?
ACreate documents
BEdit images
CBrowse the internet
DManage hardware and software resources
Show Answer & Explanation

Correct Answer: D - Manage hardware and software resources

An operating system manages hardware resources, provides user interface, and coordinates software execution.

Q23.
Which of the following is an example of application software?
ADevice Driver
BCompiler
CSpreadsheet Program
DOperating System
Show Answer & Explanation

Correct Answer: C - Spreadsheet Program

A spreadsheet program like Excel is application software designed for end-user tasks.

Q24.
Which type of software translates high-level language to machine code line by line?
ACompiler
BLinker
CAssembler
DInterpreter
Show Answer & Explanation

Correct Answer: D - Interpreter

An interpreter translates and executes high-level language code one line at a time.

Q25.
What does an assembler do?
AConverts high-level to machine code
BConverts assembly language to machine code
CLinks object files
DManages memory allocation
Show Answer & Explanation

Correct Answer: B - Converts assembly language to machine code

An assembler translates assembly language mnemonics into machine-readable binary code.

Q26.
Which scheduling algorithm gives equal time slices to each process?
ARound Robin
BShortest Job First
CFirst Come First Serve
DPriority Scheduling
Show Answer & Explanation

Correct Answer: A - Round Robin

Round Robin scheduling assigns equal time quantum to each process in circular order.

Q27.
What is the extension of an executable file in Windows?
A.exe
B.doc
C.txt
D.jpg
Show Answer & Explanation

Correct Answer: A - .exe

Windows executable files have the .exe extension.

Q28.
Which of the following is a low-level programming language?
AAssembly Language
BJava
CPython
DRuby
Show Answer & Explanation

Correct Answer: A - Assembly Language

Assembly language is a low-level language that uses mnemonics to represent machine instructions.

Q29.
What is the purpose of a device driver?
ASpeed up the CPU
BManage user accounts
CProtect against viruses
DEnable OS to communicate with hardware devices
Show Answer & Explanation

Correct Answer: D - Enable OS to communicate with hardware devices

A device driver acts as a translator between the operating system and a hardware device.

Q30.
Which of the following is NOT a type of operating system?
ABatch OS
BTime-sharing OS
CCompiler OS
DReal-time OS
Show Answer & Explanation

Correct Answer: C - Compiler OS

Compiler is a language translator, not a type of operating system.

Q31.
In file management, what does a file extension indicate?
AFile size
BFile owner
CFile type or format
DFile location
Show Answer & Explanation

Correct Answer: C - File type or format

A file extension indicates the type or format of a file, helping the OS choose the appropriate application to open it.

Q32.
Which of the following is an open-source operating system?
AWindows 11
BmacOS Ventura
CiOS
DUbuntu
Show Answer & Explanation

Correct Answer: D - Ubuntu

Ubuntu is an open-source Linux distribution available for free with modifiable source code.

Q33.
What is the difference between a compiler and an interpreter?
ACompiler is faster at translation, interpreter translates all at once
BInterpreter generates object code, compiler does not
CBoth work the same way
DCompiler translates entire code at once, interpreter translates line by line
Show Answer & Explanation

Correct Answer: D - Compiler translates entire code at once, interpreter translates line by line

A compiler translates the entire source code into machine code at once, while an interpreter translates and executes line by line.

Q34.
Which file system is commonly used by Windows operating systems?
Aext4
BHFS+
CNTFS
DAPFS
Show Answer & Explanation

Correct Answer: C - NTFS

NTFS (New Technology File System) is the standard file system used by Windows operating systems.

Q35.
What is middleware?
AHardware between CPU and RAM
BA type of virus
CSoftware that connects applications to operating systems or databases
DA file compression tool
Show Answer & Explanation

Correct Answer: C - Software that connects applications to operating systems or databases

Middleware is software that acts as a bridge between applications and underlying systems or databases.

Q36.
Which of the following is a fourth-generation programming language (4GL)?
ASQL
BAssembly
CC
DFORTRAN
Show Answer & Explanation

Correct Answer: A - SQL

SQL is a fourth-generation language designed for specific tasks like database querying with minimal procedural code.

Q37.
What is virtual memory?
AA technique using hard disk space as an extension of RAM
BMemory on a cloud server
CMemory inside the CPU
DAn external USB memory device
Show Answer & Explanation

Correct Answer: A - A technique using hard disk space as an extension of RAM

Virtual memory uses a portion of the hard disk as an extension of RAM to handle larger programs.

Q38.
Which of the following is utility software?
AWord Processor
BDatabase System
CWeb Browser
DDisk Defragmenter
Show Answer & Explanation

Correct Answer: D - Disk Defragmenter

Disk Defragmenter is a utility software that optimizes disk performance by reorganizing fragmented data.

Q39.
What type of software is a web browser?
ASystem Software
BApplication Software
CUtility Software
DFirmware
Show Answer & Explanation

Correct Answer: B - Application Software

A web browser is application software used by end users to access and browse websites.

Q40.
Which OS concept prevents two processes from accessing the same resource simultaneously?
AMutual Exclusion
BScheduling
CPaging
DFragmentation
Show Answer & Explanation

Correct Answer: A - Mutual Exclusion

Mutual exclusion ensures only one process can access a shared resource at a time, preventing conflicts.

Q41.
What is the purpose of a linker in software development?
ATranslates source code to assembly
BChecks syntax errors
CCombines multiple object files into a single executable
DManages runtime memory
Show Answer & Explanation

Correct Answer: C - Combines multiple object files into a single executable

A linker combines multiple object modules and libraries into a single executable program.

Q42.
Which programming paradigm does Java primarily follow?
AProcedural
BFunctional
CObject-Oriented
DLogic-based
Show Answer & Explanation

Correct Answer: C - Object-Oriented

Java is primarily an object-oriented programming language based on classes and objects.

Q43.
What is a deadlock in operating systems?
AA process running infinitely
BA CPU overheating scenario
CA memory overflow condition
DTwo or more processes waiting for each other to release resources
Show Answer & Explanation

Correct Answer: D - Two or more processes waiting for each other to release resources

Deadlock occurs when two or more processes are stuck waiting for resources held by each other, creating a circular dependency.

Q44.
Which of the following file extensions represents a compressed archive?
A.zip
B.pdf
C.html
D.csv
Show Answer & Explanation

Correct Answer: A - .zip

The .zip extension represents a compressed archive file format used to reduce file sizes.

Q45.
What does GUI stand for?
AGeneral User Interface
BGraphical User Interface
CGlobal Unified Interface
DGraphical Utility Instrument
Show Answer & Explanation

Correct Answer: B - Graphical User Interface

GUI stands for Graphical User Interface, allowing users to interact with devices through visual elements.

Q46.
Which of the following is a markup language, not a programming language?
APython
BHTML
CC++
DJava
Show Answer & Explanation

Correct Answer: B - HTML

HTML (HyperText Markup Language) is a markup language used to structure web content, not a programming language.

Q47.
What is the role of a loader in system software?
ACompiles source code
BLoads executable programs into memory for execution
CDetects syntax errors
DManages file permissions
Show Answer & Explanation

Correct Answer: B - Loads executable programs into memory for execution

A loader is responsible for loading compiled executable programs into main memory for execution.

Q48.
Which memory management technique divides memory into fixed-size blocks?
APaging
BSegmentation
CSwapping
DCompaction
Show Answer & Explanation

Correct Answer: A - Paging

Paging divides both physical memory and logical memory into equal fixed-size blocks called frames and pages.

Q49.
What is an embedded operating system?
AAn OS designed for specific hardware with limited resources
BAn OS for desktop computers
CAn OS that runs only on servers
DA virtual operating system
Show Answer & Explanation

Correct Answer: A - An OS designed for specific hardware with limited resources

An embedded OS is designed for specialized hardware devices with limited resources, like washing machines or routers.

Q50.
Which type of software is specifically designed to harm a computer system?
AFreeware
BShareware
CMalware
DFirmware
Show Answer & Explanation

Correct Answer: C - Malware

Malware (malicious software) is designed to damage, disrupt, or gain unauthorized access to computer systems.

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