Computers and IT MCQs
Computer Awareness Questions and Quiz for Banking, IBPS, RRB, RBI, SBI, NABARD examinations of 2024-2025. Computer Awareness MCQs for Competitive Exams. GKToday Computer Awareness for IBPS PO, IBPS Clerk, Bank PO, Bank Clerk and other entrance / competitive examinations.
11. Which of the following is the another name for the error or bug in software or hardware?
[A] Leech
[B] Squid
[C] Slug
[D] Glitch
Show Answer
Correct Answer: D [Glitch]
Notes:
A glitch is a short-lived fault in a system. Computer glitches are often only a temporary disruption. The most common causes are errors within the operating system and defects in a piece of software.
12. What is the term used for verification of a login name and password in computer terminology?
[A] Configuration
[B] Authentication
[C] Accessibility
[D] Logging
Show Answer
Correct Answer: B [Authentication]
Notes:
Authentication is the process of identifying an individual, usually based on a username and password. Authentication is distinct from authorization .
13. A floppy disk is a magnetic storage medium for computer systems. What is the size limit of data to be stored on a floppy disk?
[A] 250KB to 360 KB
[B] 360 KB to 1 GB
[C] 360 KB to 2 GB
[D] 360 KB to 2.88 MB
Show Answer
Correct Answer: D [360 KB to 2.88 MB]
Notes:
A floppy disk is a type of disk storage composed of a disk of thin and flexible magnetic storage medium.3 1⁄2-inch floppy disk can store data up to 360 KB.8-inch floppy disk cab store data up to 2.88 MB.
14. Which of the following is a display device in which images are produced when an electron beam strikes a phosphorescent surface?
[A] CRT
[B] LCD
[C] LED
[D] All of the Above
Show Answer
Correct Answer: A [CRT]
Notes:
A cathode ray tube (CRT) is a specialized vacuum tube in which images are produced when an electron beam strikes a phosphorescent surface. Most desktop computer displays make use of CRTs.
15. There are many types of plotters available. Which of the following is the type of a plotter?
[A] Drum Plotter
[B] Flatbed Plotter
[C] Handheld plotter
[D] Both a and b
Show Answer
Correct Answer: D [Both a and b]
Notes:
There are two main types of plotters – drum and flatbed plotters. Drum plotters spin the paper back and forth on a cylindrical drum while the ink pens move left and right. The drum plotters are generally smaller than flatbed plotters.
16. What is the lowest bus speed on a Pentium IV processor?
[A] 200 MHz
[B] 133MHz
[C] 400MHz
[D] 150MHz
Show Answer
Correct Answer: C [400MHz]
Notes:
The recent Pentium entries are Pentium III and Pentium 4.Pentium 4 are smaller than Pentium Iain Pentium III, the bus speed is generally 133 MHz while the bus speed in Pentium 4 is at least 400MHz.
17. Which of the following is the first layer of software loaded into computer memory when it starts up?
[A] Device Driver
[B] Operating System
[C] Language Translator
[D] System Utilities
Show Answer
Correct Answer: B [Operating System]
Notes:
An operating system is a system software that manages computer hardware and software resources and provides common services for computer programs.
18. Which of the following accurately defines the concept of Modularization?
[A] A program where the instructions are modules.
[B] A technique in which the software is divided into various distinct modules.
[C] A module being an independent software component.
[D] A method where software is evolved through natural selection.
Show Answer
Correct Answer: B [A technique in which the software is divided into various distinct modules.]
Notes:
Modularization is a technique in software engineering where the software is divided into separate sub-programs or modules. Each module is a self-contained unit that contributes to the total functionality of software. It enhances the overall manageability of software, increases reuse, and improves comprehensibility. It fosters collaborative development as multiple developers can work on different modules simultaneously.
19. Which of the following programs remains in the memory while other programs are executing?
[A] Non Resident Program
[B] Resident Program
[C] Permanent Program
[D] None of the Above
Show Answer
Correct Answer: B [Resident Program]
Notes:
A resident program is a computer program that uses a system call in DOS operating systems to return control of the computer to the operating system.
20. Which of the following are the advantages of using a DBMS?
[A] Data security
[B] Data abstraction
[C] Data integrity
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
Data abstraction and independence A DBMS provides following advantages: Data security A locking mechanism for concurrent access An efficient handler to balance the needs of multiple applications using the same data The ability to swiftly recover from crashes and errors, including restart ability and recoverability Robust data integrity capabilities Logging and auditing of activity.
