Input/output units that operate independently of the CPU
Operating systems
Both (A) and (B)
Neither (A) nor (B)
Show me the answer
Answer: 3. Both (A) and (B)
Explanation:
Multiprogramming: Multiprogramming allows multiple processes to reside in memory simultaneously and share the CPU. This is made possible by:
Independent I/O Units: I/O devices that operate independently of the CPU allow processes to perform I/O operations without blocking the CPU.
Operating Systems: The operating system manages process scheduling, memory allocation, and I/O operations to enable multiprogramming.
Conclusion: Both independent I/O units and operating systems are essential for multiprogramming.
102. A translator which reads an entire program written in a high-level language and converts it into machine language code is:
Assembler
Compiler
Translator
System software
Show me the answer
Answer: 2. Compiler
Explanation:
Compiler: A compiler is a translator that converts an entire high-level language program into machine language code. It performs lexical analysis, syntax analysis, code generation, and optimization.
Conclusion: A compiler translates high-level programs into machine code.
103. What is the name given to all the programs inside the computer which make it usable?
Application software
Firmware
System software
Shareware
Show me the answer
Answer: 3. System software
Explanation:
System Software: System software includes the operating system, utilities, and other programs that manage hardware and provide a platform for running application software.
Conclusion: System software makes the computer usable.
104. Systems software is a program that directs the overall operation of the computer, facilitates its use, and interacts with all users. What are the different types of this software?
Operating system
Utilities
Language translators
All of the above
Show me the answer
Answer: 4. All of the above
Explanation:
System Software Types: System software includes:
Operating System: Manages hardware and software resources.
Utilities: Perform maintenance and optimization tasks.
Language Translators: Convert high-level code into machine code.
Conclusion: All the listed types are part of system software.
105. What is the name of the system which deals with the running of the actual computer and not with the programming problems?
Operating system
Object program
System program
Source program
Show me the answer
Answer: 1. Operating system
Explanation:
Operating System: The operating system manages the computer's hardware and software resources, enabling the execution of programs and providing a user interface.
Conclusion: The operating system deals with the running of the computer.
106. Which of the following systems software does the job of merging the records from two files into one?
Security software
Networking software
Utility program
Documentation system
Show me the answer
Answer: 3. Utility program
Explanation:
Utility Programs: Utility programs perform specific tasks such as file management, disk cleanup, and merging files.
Conclusion: A utility program merges records from two files.
107. The term “operating system” means:
A set of programs which controls computer working
The way a computer operator works
Conversion of high-level language into machine code
The way a floppy disk drive operates
Show me the answer
Answer: 1. A set of programs which controls computer working
Explanation:
Operating System: The operating system is a set of programs that manage hardware and software resources, control computer operations, and provide a user interface.
Conclusion: The operating system controls computer working.
108. The operating system of a computer serves as a software interface between the user and:
Hardware
Memory
Peripheral
Screen
Show me the answer
Answer: 1. Hardware
Explanation:
Operating System Interface: The operating system acts as an intermediary between the user and the computer hardware, enabling users to interact with the hardware without needing to understand its complexities.
Conclusion: The operating system interfaces between the user and hardware.
109. The primary job of the operating system of a computer is to:
Command resources
Provide utilities
Manage resources
Be user-friendly
Show me the answer
Answer: 3. Manage resources
Explanation:
Resource Management: The primary function of the operating system is to manage hardware and software resources, including CPU, memory, storage, and I/O devices.
Conclusion: The operating system manages resources.
110. All the time a computer is switched on, its operating system software has to stay in:
Main storage
Floppy disk
Primary storage
Disk drive
Show me the answer
Answer: 3. Primary storage
Explanation:
Operating System in Memory: The operating system must reside in primary storage (RAM) while the computer is running to manage processes, memory, and I/O operations.
Conclusion: The operating system stays in primary storage while the computer is on.
111. What is the name given to software which can be legally compiled and often used for free?
Shareware program
Firmware program
Public domain program
Mindware
Show me the answer
Answer: 3. Public domain program
Explanation:
Public Domain Software: Public domain software is not protected by copyright and can be freely used, modified, and distributed.
Conclusion: Public domain software is free and legally usable.
112. What is the operating system used by Macintosh computers?
System 7.0
XENIX
AU/X
Either (A) or (B)
Show me the answer
Answer: 4. Either (A) or (B)
Explanation:
Macintosh Operating Systems: Macintosh computers have used various operating systems, including System 7.0 and XENIX (a UNIX variant).
Conclusion: Macintosh computers have used either System 7.0 or XENIX.
113. Who is called the overseer and supervisor of all computer activity?
Central processing unit
Control unit
Operating system
Application program
Show me the answer
Answer: 3. Operating system
Explanation:
Overseer and Supervisor: The operating system oversees and supervises all computer activity, including process management, memory management, and I/O operations.
Conclusion: The operating system is the overseer of computer activity.
114. Can you name the major operating systems used in computers?
MS-DOS
UNIX
OS/2
All of the above
Show me the answer
Answer: 4. All of the above
Explanation:
Major Operating Systems: MS-DOS, UNIX, and OS/2 are all major operating systems used in computers.
Conclusion: All the listed operating systems are major.
115. Who developed the operating system/2 (OS/2) for running IBM’s new PS/2 family of microcomputers?
IBM
Bell Laboratories
Microsoft Inc.
Digital Research Corporation
Show me the answer
Answer: 3. Microsoft Inc.
Explanation:
OS/2 Development: OS/2 was developed by Microsoft in collaboration with IBM for the PS/2 family of microcomputers.
Conclusion: Microsoft developed OS/2.
116. Most of the microcomputer’s operating systems like Apple DOS, MS DOS, and PC DOS are called disk operating systems because:
They are memory resident
They are initially stored on disk
They are available on magnetic tapes
They are partly in primary memory and partly on disk
Show me the answer
Answer: 2. They are initially stored on disk
Explanation:
Disk Operating Systems: Disk operating systems (DOS) are stored on disk and loaded into memory when the computer starts.
Conclusion: DOS operating systems are initially stored on disk.
117. What is the name given to the process of initializing a microcomputer with its operating system?
Cold booting
Warm booting
Booting
Boot recording
Show me the answer
Answer: 3. Booting
Explanation:
Booting: Booting is the process of starting a computer and loading the operating system into memory.
Conclusion: Booting initializes the computer with the operating system.
118. What is the name of the operating system which was originally designed by scientists and engineers for use by scientists and engineers?
XENIX
OS/2
UNIX
MS DOS
Show me the answer
Answer: 3. UNIX
Explanation:
UNIX: UNIX was developed by scientists and engineers at Bell Laboratories for use in scientific and engineering applications.
Conclusion: UNIX was designed for scientists and engineers.
119. What are the most important features of Microsoft Windows program?
Windows
Icons
Pull-down menus
All of the above
Show me the answer
Answer: 4. All of the above
Explanation:
Windows Features: Microsoft Windows is known for its graphical user interface (GUI), which includes windows, icons, and pull-down menus.
Conclusion: All the listed features are important in Windows.
120. What is the name given to the organized collection of software that controls the overall operation of a computer?
Working system
Operating system
Peripheral system
Controlling system
Show me the answer
Answer: 2. Operating system
Explanation:
Operating System: The operating system is a collection of software that manages hardware and software resources and controls the overall operation of a computer.
Conclusion: The operating system controls the computer's operation.
121. What is the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer user’s productivity?
Defined values
Default values
Fixed values
Special values
Show me the answer
Answer: 2. Default values
Explanation:
Default Values: Default values are pre-set values provided by software to reduce user input and improve productivity.
Conclusion: Default values reduce keystrokes and improve efficiency.
122. The powerful text editor called PC-Writer can be used by anybody by paying a small fee. Such programs are called:
Software
Firmware
Shareware
Mindware
Show me the answer
Answer: 3. Shareware
Explanation:
Shareware: Shareware is software that is distributed for free on a trial basis, with the option to purchase a license for continued use.
Conclusion: PC-Writer is an example of shareware.
123. What is the name of the operating system that reads and reacts in terms of actual time?
Batch system
Real-time system
Quick response system
Time-sharing system
Show me the answer
Answer: 2. Real-time system
Explanation:
Real-Time Systems: Real-time systems process data and respond to inputs within strict time constraints, ensuring timely execution of tasks.
Conclusion: Real-time systems react in actual time.
124. What is the name of the technique in which the operating system of a computer executes several programs concurrently by switching back and forth between them?
Partitioning
Windowing
Multitasking
Paging
Show me the answer
Answer: 3. Multitasking
Explanation:
Multitasking: Multitasking allows the operating system to execute multiple programs concurrently by switching between them rapidly.
Conclusion: Multitasking enables concurrent execution of programs.
125. When did IBM release the first version of its disk operating system DOS version 1.0?
1981
1982
1983
1984
Show me the answer
Answer: 1. 1981
Explanation:
DOS Release: IBM released DOS version 1.0 in 1981 for its personal computers.
Conclusion: DOS 1.0 was released in 1981.
126. IBM released its first PC in 1981. Can you name the operating system which was most popular at that time?
MS-DOS
PC-DOS
OS/360
CP/M
Show me the answer
Answer: 4. CP/M
Explanation:
CP/M: CP/M (Control Program for Microcomputers) was the most popular operating system for microcomputers in the late 1970s and early 1980s.
Conclusion: CP/M was the most popular operating system in 1981.
127. The mathematics software allows the users to directly write and solve problems in arithmetic, trigonometry, algebra, etc. Can you name the person who created this software?
Thomas Abraham
Yuri Manin
Steve Jobs
Stephen Wolfram
Show me the answer
Answer: 4. Stephen Wolfram
Explanation:
Mathematica: Stephen Wolfram created Mathematica, a software system for mathematical computation.
Conclusion: Stephen Wolfram created the mathematics software.
128. The higher version of the operating systems are so written that programs designed for earlier versions can still be run. What is it called?
Upgradability
Universality
Upward mobility
Upward compatibility
Show me the answer
Answer: 4. Upward compatibility
Explanation:
Upward Compatibility: Upward compatibility ensures that programs designed for earlier versions of an operating system can still run on newer versions.
Conclusion: Upward compatibility allows older programs to run on newer systems.
129. What is the name of the arrangement whereby several central processing units share one memory?
Multitasking
Multiprocessing
Multiprogramming
Concurrent programming
Show me the answer
Answer: 2. Multiprocessing
Explanation:
Multiprocessing: Multiprocessing involves multiple CPUs sharing a single memory to execute tasks concurrently.
Conclusion: Multiprocessing allows multiple CPUs to share memory.
130. A graphical-menu-driven operating system allows you to pick up from the menu of choices it displays on the screen. What is the name given to the images which are used in such image-oriented menus?
Figure
Symbol
Icon
Model
Show me the answer
Answer: 3. Icon
Explanation:
Icons: Icons are small graphical images used in menus to represent programs, files, or actions.
Conclusion: Icons are used in graphical menus.
131. With reference to Windows, a DLL is:
Distribution level library
Dedicated link library
Dynamic link library
Distributed library LAN
Show me the answer
Answer: 3. Dynamic link library
Explanation:
DLL: A DLL (Dynamic Link Library) is a file containing code and data that can be used by multiple programs simultaneously. It allows programs to share functionality without duplicating code.
Conclusion: DLL stands for Dynamic Link Library.
132. Windows is a(n):
Operating system
Operating environment
User interface
Programming platform
Show me the answer
Answer: 1. Operating system
Explanation:
Windows: Windows is an operating system developed by Microsoft that provides a graphical user interface (GUI) and manages hardware and software resources.
Conclusion: Windows is an operating system.
133. Microcomputer operating systems are generally:
Copy protected
Not loaded into the ROM by hardware manufacturers
Easily available in the market
All of the above
Show me the answer
Answer: 4. All of the above
Explanation:
Microcomputer Operating Systems: Microcomputer operating systems are often copy-protected, not loaded into ROM, and easily available in the market.
Conclusion: All the listed statements are true.
134. The part of the computer system which performs the housekeeping functions is called:
Interpreter
Operating system
Compiler
Assembler
Show me the answer
Answer: 2. Operating system
Explanation:
Housekeeping Functions: The operating system performs housekeeping functions such as memory management, process scheduling, and file management.
Conclusion: The operating system handles housekeeping tasks.
135. An operating system designed to run on only one family of computers is called:
PC-DOS
Disk operating system
CP/M
Proprietary operating system
Show me the answer
Answer: 4. Proprietary operating system
Explanation:
Proprietary Operating System: A proprietary operating system is designed to run on a specific family of computers and is not compatible with other systems.
Conclusion: Proprietary operating systems are specific to one family of computers.
136. An operating system:
Is not required on large computers
Is always supplied with the computer
Is always written in BASIC
Consists of programs that help in the operation of the computer
Show me the answer
Answer: 4. Consists of programs that help in the operation of the computer
Explanation:
Operating System: The operating system consists of programs that manage hardware and software resources and facilitate the operation of the computer.
Conclusion: The operating system helps in the operation of the computer.
137. The relationship between operating system software and application software is that:
Application software and operating system work independently
Operating system monitors application software
Application software and operating system work together
Application software monitors the operating system
Show me the answer
Answer: 3. Application software and operating system work together
Explanation:
Relationship: The operating system provides a platform for application software to run and manages resources for it.
Conclusion: The operating system and application software work together.
138. A proprietary operating system can run on machines made by:
Different vendors
IBM only
A specific vendor
None of the above
Show me the answer
Answer: 3. A specific vendor
Explanation:
Proprietary Operating System: A proprietary operating system is designed to run on machines made by a specific vendor and is not compatible with other systems.
Conclusion: Proprietary operating systems are vendor-specific.
139. The most popular 16-bit operating system is:
CP/M
MS-DOS
UNIX
TRS-DOS
Show me the answer
Answer: 2. MS-DOS
Explanation:
MS-DOS: MS-DOS (Microsoft Disk Operating System) was the most popular 16-bit operating system for personal computers in the 1980s and early 1990s.
Conclusion: MS-DOS is the most popular 16-bit operating system.
140. DOS is:
A software
A data organization system
A hardware
None of the above
Show me the answer
Answer: 1. A software
Explanation:
DOS: DOS (Disk Operating System) is a software that manages files, memory, and I/O operations on a computer.
Conclusion: DOS is a software.
141. A computer program written into a storage medium from which it cannot be accidentally erased is called:
Software
Firmware
Operating system
ROM
Show me the answer
Answer: 2. Firmware
Explanation:
Firmware: Firmware is software that is embedded into hardware and cannot be easily modified or erased.
Conclusion: Firmware is stored in a non-volatile medium.
142. The first popular microcomputer operating system developed around 1974 is:
PC-DOS
Apple-DOS
MS-DOS
CP/M
Show me the answer
Answer: 4. CP/M
Explanation:
CP/M: CP/M (Control Program for Microcomputers) was the first popular microcomputer operating system, developed in 1974.
Conclusion: CP/M was the first popular microcomputer OS.
143. A microcomputer operating system which is popular with computer professionals and which can support multitasking is:
MS-DOS
UNIX
CP/M
OS
Show me the answer
Answer: 2. UNIX
Explanation:
UNIX: UNIX is a multitasking operating system popular among computer professionals due to its flexibility and power.
Conclusion: UNIX supports multitasking and is popular with professionals.
144. The two most popular operating systems for 8- and 16-bit personal computers are:
CP/M and CP/M-80
MS-DOS and PC-DOS
CP/M-80 and MS-DOS
MS-DOS and UNIX
Show me the answer
Answer: 2. MS-DOS and PC-DOS
Explanation:
MS-DOS and PC-DOS: MS-DOS and PC-DOS were the most popular operating systems for 8- and 16-bit personal computers.
Conclusion: MS-DOS and PC-DOS dominated the personal computer market.
145. UNIX operating system:
Is multi-user
Is multitasking
Can run on PCs and larger systems
All of the above
Show me the answer
Answer: 4. All of the above
Explanation:
UNIX: UNIX is a multi-user, multitasking operating system that can run on PCs, workstations, and larger systems.
Conclusion: UNIX has all the listed features.
146. An operating system for a large computer is:
Developed by the actual user
Developed by the buyer
Always supplied by the computer supplier
Supplied by software vendors
Show me the answer
Answer: 3. Always supplied by the computer supplier
Explanation:
Large Computer OS: Operating systems for large computers are typically supplied by the computer manufacturer.
Conclusion: The computer supplier provides the OS for large computers.
147. Which of the following is not an operating system?
UNIX
MS-DOS
PASCAL
CP/M
Show me the answer
Answer: 3. PASCAL
Explanation:
PASCAL: PASCAL is a programming language, not an operating system.
Conclusion: PASCAL is not an operating system.
148. XENIX can be used only with:
IBM-PCs
Supercomputers
IBM-PC/XTs
IBM-PC/ATs
Show me the answer
Answer: 4. IBM-PC/ATs
Explanation:
XENIX: XENIX is a version of UNIX designed for IBM-PC/ATs and compatible systems.
Conclusion: XENIX is used with IBM-PC/ATs.
149. The application package is used to:
Meet specific needs of a user
Run the computer system better
Run the compiler smoothly
Enable the operating system to control hardware better
Show me the answer
Answer: 1. Meet specific needs of a user
Explanation:
Application Package: Application packages are designed to meet specific user needs, such as word processing, spreadsheets, or database management.
