Top 20 Computer MCQs For OSSC LTR Teacher 04 November 2024

Q1. The performance of a hard drive or other storage device, meaning how long it takes to locate a file is called?
(a) Response Time
(b) Access Time
(c) Quick Time
(d) None of the above
S1. Ans: (b) Access Time
Sol: Access Time is the time it takes to retrieve data from the storage device, impacting overall performance.

Q2. Alerts mostly appear in ______?
(a) Check box
(b) Combo box
(c) Dialog box
(d) None of the above
S2. Ans: (c) Dialog box
Sol: Dialog boxes are used to display alerts, messages, or require user confirmation in an application.

Q3. A file which has not been altered, compressed, or manipulated in any way by the computer is called?
(a) Temp file
(b) Raw file
(c) Permanent file
(d) None of the above
S3. Ans: (b) Raw file
Sol: A raw file remains in its original format, untouched or modified, preserving all original data.

Q4. The terms “push and pull services” in the context of banking are used in which of the following generally?
(a) Rural Banking
(b) Unit Banking
(c) Mobile Banking
(d) Online Banking
S4. Ans: (c) Mobile Banking
Sol: Push and pull services in banking refer to notifications and requests initiated by mobile applications.

Q5. Who is the founder of Wikipedia?
(a) Peer Schneider
(b) Byron Looper
(c) Rickard Eriksson
(d) Jimmy Wales
S5. Ans: (d) Jimmy Wales
Sol: Jimmy Wales co-founded Wikipedia, the online free-content encyclopedia, in 2001.

Q6. The term Massive MIMO is sometimes seen in the news in the context of:
(a) Deep Space Exploration
(b) Particle Physics
(c) Information Technology
(d) Earth Science
S6. Ans: (c) Information Technology
Sol: Massive MIMO (Multiple Input, Multiple Output) is a technology in IT to enhance network performance.

Q7. In a book by which author was the word computer first mentioned?
(a) Mark Twain
(b) Sherlock Holmes
(c) Richard Braithwait
(d) Enid Blyton
S7. Ans: (c) Richard Braithwait
Sol: Richard Braithwait mentioned “computer” in his book, a term then meaning a person who computes.

Q8. Which of the following are core mathematical operations used in an electric analog computer?
(a) Integration
(b) Exponentiation
(c) Inversion
(d) All of the above
S8. Ans: (d) All of the above
Sol: Analog computers use mathematical operations like integration, exponentiation, and inversion.

Q9. Who built the first electronic digital computer?
(a) George Boole
(b) Charles Babbage
(c) John Atanasoff
(d) Cliff Berry
S9. Ans: (c) John Atanasoff
Sol: John Atanasoff, with Clifford Berry, created the first electronic digital computer in the 1930s.

Q10. Personal computers in the 2010s have access to which of the following kinds of software?
(a) Freeware
(b) Free and Open Source Software
(c) Commercial Software
(d) All of the above
S10. Ans: (d) All of the above
Sol: Modern PCs use various types of software, including freeware, open-source, and commercial applications.

Q11. What is the full form of SDLC?
(a) Software Developed Life Cycle
(b) Software Development Life Cycle
(c) Software Designing Life Cycle
(d) Software Developed Live Circuit
S11. Ans: (b) Software Development Life Cycle
Sol: SDLC outlines stages from requirement gathering to maintenance in software development.

Q12. Which are the most important criteria for measuring the performance of an Operating system?
(a) Waiting Time
(b) Turnaround Time
(c) Both a and b
(d) System Clock
S12. Ans: (c) Both a and b
Sol: Reduced waiting and turnaround times are essential for efficient OS performance.

Q13. What is the name given to the application which only runs on one platform, increasing the desirability of that platform?
(a) Standalone App
(b) Single Platform App
(c) Killer App
(d) All of the Above
S13. Ans: (c) Killer App
Sol: A killer app is exclusive to one platform, boosting its popularity and demand.

Q14. Which of the following is another term used for software hosting?
(a) Cloud computing
(b) On-demand service
(c) Software as a service or SaaS
(d) All of the Above
S14. Ans: (d) All of the Above
Sol: These terms describe hosted services accessed remotely over the internet.

Q15. Who among the following invented the FORTRAN language?
(a) J.W. Backus
(b) Steff Warner
(c) Von Neuman
(d) All of the Above
S15. Ans: (a) J.W. Backus
Sol: J.W. Backus developed FORTRAN, the first high-level programming language.

Q16. Which of the following DBMS is well-suited for data warehouses with a large number of similar data items?
(a) Columnar database management system
(b) In-memory database management system
(c) RDBMS
(d) NoSQL DBMS
S16. Ans: (a) Columnar database management system
Sol: CDBMSs are optimized for data warehousing and high-volume similar data.

Q17. Which LAN technology uses a token-bus scheme?
(a) Netware
(b) Interface
(c) ARCNET
(d) Ethernet
S17. Ans: (c) ARCNET
Sol: ARCNET employs a token-bus for network data sharing and communication.

Q18. Which is the reference model used for internetworking?
(a) TCP
(b) Relay
(c) OSI
(d) Intranet
S18. Ans: (c) OSI
Sol: OSI is the standard model for ensuring reliable data exchange across networks.

Q19. Which networking hardware can operate at any layer of the OSI model?
(a) Router
(b) Gateway
(c) Switch
(d) Modem
S19. Ans: (b) Gateway
Sol: Gateways operate on multiple layers and support diverse protocols for connectivity.

Q20. What is the bandwidth limit for CAT5e cable?
(a) up to 1 Mbps
(b) up to 2 Mbps
(c) up to 10 Mbps
(d) up to 1 Gbps
S20. Ans: (d) up to 1 Gbps
Sol: CAT5e cables support data speeds up to 1 Gbps, ideal for high-speed networks.