Previous Year SSC Computer Awareness MCQ Set- 19
181.DuckDuckGo is a [MPPCS (Pre) 2017]
A. Search engine
B. Web browser
C. Virus
D. News website
Answer –A. Search engine
Explanation-DuckDuckGo is a search engine that emphasizes protecting searchers’ privacy and avoiding the filter bubble of personalized search results.
182. What is the virus that spreads on computers? [MPPCS (Pre) 2016]
A. Hardware
B. Computer program
C. Ant
D. System software
Answer – B. Computer program
Explanation- A computer virus is a type of malicious software that can replicate itself and spread from one computer to another. It can cause harm to the computer system by corrupting files or destroying data.
183. When a file is saved for the first time
A. a copy is automatically printed
B. it must be given a name to identify it
C. it does not need a name
D. it only needs a name if it is not going to be printed
Answer – B. it must be given a name to identify it
Explanation-When a file is saved for the first time, it must be given a name to identify it and distinguish it from other files. The name can be changed later if needed.
184. What is a light pen?
A. Mechanical input device
B. Optical input device
C. Electronic input device
D. Optical output device
Answer – B. Optical input device
Explanation-A light pen is an input device that uses light to detect and record user input. It is used to draw or select objects on a computer screen by pointing the pen at the desired location.
185. FORTRAN is:
A. File Translation
B. Format Translation
C. Formula Translation
D. Floppy Translation
Answer – C. Formula Translation
Explanation-FORTRAN is a programming language used for scientific and engineering applications. The name stands for “Formula Translation,” which reflects its original purpose of translating mathematical formulas into machine code.
186. A computer virus is [MPPCS (Pre) 2012]
A. A computer program that can replicate itself
B. A virus that affects the health of human beings
C. Both of the above
D. None of the above
Answer – A. A computer program that can replicate itself
Explanation-A computer virus is a type of malicious software that can replicate itself and spread from one computer to another. It can cause harm to the computer system by corrupting files or destroying data.
187. BCD is:
A. Binary Coded Decimal
B. Bit Coded Decimal
C. Binary Coded Digit
D. Bit Coded Digit
Answer – A. Binary Coded Decimal
Explanation-BCD stands for Binary Coded Decimal, which is a system of representing decimal numbers using binary notation. In BCD, each decimal digit is represented by a four-bit binary code.
188. Office LANS, which are scattered geographically on a large scale, can be connected with the use of corporate
A. CAN
B. LAN
C. DAN
D. WAN
Answer – D. WAN
Explanation-LAN (Local Area Network) connects devices within a small geographical area such as an office or a building.
CAN (Campus Area Network) connects devices within a larger geographical area such as a university campus or a military base.
DAN (Desk Area Network) connects devices on a single desk or workspace.
WAN (Wide Area Network) connects devices over a large geographical area such as cities, countries, or even continents. Therefore, to connect geographically scattered office LANs, a WAN would be required.
189. The chief component of the first-generation computer was:
A. Transistors
B. Vacuum Tubes and Valves
C. Integrated Circuits
D. None of the above
Answer – B. Vacuum Tubes and Valves
Explanation-The first-generation computers used vacuum tubes and valves as the chief component. These electronic components were used to perform basic arithmetic and logical operations and were large, unreliable, and produced a lot of heat
190. Where are the data and programs stored when the processor uses them?
A. Main memory
B. Secondary memory
C. Disk memory
D. Programme memory
Answer – A. Main memory
Explanation-When the processor needs to use data or programs, it stores them in the main memory or RAM (Random Access Memory). Main memory is a volatile memory that can be accessed quickly by the processor and is used to store data and instructions.
