400 Computer Awareness MCQ Set- 11
Q251. What is the name of an application program that gathers user information and sends it to someone through the Internet?
A. Spybot
B. Firewall
C. Antivirus
D. Encryption
Answer – A. Spybot
Explanation-
Q252. Who invented the Analytical engine?
A. Charles Babbage
B. Alan Turing
C. Ada Lovelace
D. Konrad Zuse
Answer – A. Charles Babbage
Explanation-
Q253. Blaise Pascal introduced the:
A. Adding Machine
B. Calculator
C. Typewriter
D. Telegraph
Answer – A. Adding Machine
Explanation-
Q254. Microprogramming was introduced by:
A. Maurice Wilkes
B. John von Neumann
C. Grace Hopper
D. Tim Berners-Lee
Answer – A. Maurice Wilkes
Explanation-
Q255. The Vacuum Tube is the invention of which generation of computers?
A. 1st generation
B. 2nd generation
C. 3rd generation
D. 4th generation
Answer – A. 1st generation
Explanation-
Q256. World Computer Literacy Day is observed on:
A. December 2
B. February 14
C. October 31
D. April 22
Answer – A. December 2
Explanation-
Q257. Which type of computer is the most powerful?
A. Supercomputer
B. Mainframe computer
C. Minicomputer
D. Personal computer
Answer – A. Supercomputer
Explanation-
Q258. The first computer introduced in Nepal was:
A. IBM 1401
B. Apple II
C. ENIAC
D. UNIVAC
Answer – A. IBM 1401
Explanation-
Q259. “Chip” is a common nickname for:
A. Integrated Circuit
B. Microprocessor
C. Memory Module
D. Graphics Processing Unit
Answer – A. Integrated Circuit
Explanation-
Q260. Which company developed the microprocessor?
A. Intel
B. IBM
C. Microsoft
D. Apple
Answer – A. Intel
Explanation-
Q261. The benefit of using computers is that:
A. Computers are very fast and can store huge amounts of data
B. Computers are portable and lightweight
C. Computers are inexpensive and easy to maintain
D. Computers have a long lifespan and high durability
Answer – A. Computers are very fast and can store huge amounts of data
Explanation-
Q262. A megabyte is actually equal to:
A. 1000 Kilobytes
B. 1024 Kilobytes
C. 500 Kilobytes
D. 2048 Kilobytes
Answer – B. 1024 Kilobytes
Explanation-
Q263. Office LANs, which are scattered geographically on a large scale, can be connected by the use of corporate:
A. WAN (Wide Area Network)
B. PAN (Personal Area Network)
C. LAN (Local Area Network)
D. WLAN (Wireless Local Area Network)
Answer – A. WAN (Wide Area Network)
Explanation-
Q264. To move a copy of a file from one computer to another over a communication channel is called:
A. File Transfer
B. Data Transmission
C. Data Sharing
D. File Sharing
Answer – A. File Transfer
Explanation-
Q265. Large transaction processing systems in automated organizations use:
A. Batch Processing
B. Real-time Processing
C. Time-sharing Processing
D. Multi-threaded Processing
Answer – A. Batch Processing
Explanation-
Q266. MICR stands for:
A. Magnetic Ink Character Recognition
B. Magnetic Information Coding and Retrieval
C. Manual Input Character Recognition
D. Machine Ink Control and Routing
Answer – A. Magnetic Ink Character Recognition
Explanation-
Q267. Name of the 1st electronic computer:
A. ENIAC
B. UNIVAC
C. EDVAC
D. EDSAC
Answer – A. ENIAC
Explanation-
Q268. The number of different characters in the ASCII coding system:
A. 256
B. 128
C. 512
D. 1024
Answer – B. 128
Explanation-
Q269. MSIC stands for:
A. Medium Scale Integrated Circuits
B. Multiple System Interface Controller
C. Micro System Interconnect
D. Mobile System Integration Center
Answer – A. Medium Scale Integrated Circuits
Explanation-
Q270. The scrambling of code is known as:
A. Encryption
B. Decryption
C. Encoding
D. Decoding
Answer – A. Encryption
Explanation-
Q271. The first computers were programmed using:
A. Machine Language
B. Assembly Language
C. High-level Language
D. Object-Oriented Language
Answer – A. Machine Language
Explanation-
Q272. A fault in a computer program that prevents it from working correctly is known as:
A. Bug
B. Error
C. Glitch
D. Crash
Answer – A. Bug
Explanation-
Q273. Which button makes alphabets/letters in uppercase and lowercase and numbers to symbols?
A. Shift
B. Caps Lock
C. Control
D. Alt
Answer – A. Shift
Explanation-
Q274. When a computer is switched on, the booting process performs:
A. Power-on self-test
B. File system check
C. Memory allocation
D. Device driver installation
Answer – A. Power-on self-test
Explanation-
Q275. What is the software frequently utilized by end users called (like Word, PowerPoint)?
A. Application Software
B. System Software
C. Utility Software
D. Firmware
Answer – A. Application Software
Explanation-
