Previous Year SSC Computer Awareness MCQ Set – 5
41. A computer virus is: [SSC Section Officer (Audit) 2008]
A. a chemical that attacks silicon.
B. a micro-organism that destroys integrated circuits.
C. data that the computer fails to handle.
D. a special kind of computer program.
Answer –D. a special kind of computer program.
Explanation-
42. Ethernet is an example of [MPPCS (Pre) 2017]
A. MAN
B. LAN
C. WAN
D. Wi-Fi
Answer –B. LAN
Explanation-
43. MS-DOS was first released in [Uttarakhand Lower Sub. (Pre) 2010]
A. 1971
B. 1981
C. 1991
D. 2001
Answer –B. 1981
Explanation-
44. As announced by the Finance Minister in his Budget speech on 28th February 2011, with a view to assisting States in modernizing their stamp and registration administration, E-stamping is expected to be rolled out in all the districts of different States in a period of [SSC CGL Tier-I 2011]
A. one year
B. two years
C. Three years
D. five years
Answer –C. Three years
Explanation-
45. Which one of the following companies announced some time back the launch of India’s first personal computer with one terabyte hard drive capacity? [SSC Section Officer (Audit) 2008]
A. Infosys Technologies
B. Wipro
C. HCL Infosystems
D. IBM
Answer –C. HCL Infosystems
Explanation-
46. What is the difference between Bluetooth and Wi-Fi devices? [IAS (Pre) 2011]
A. Bluetooth uses a 2.4 GHz radio frequency band, whereas WiFi can use a 2.4 GHz or 5 GHz frequency band
B. Bluetooth is used for Wireless Local Area Networks (WLAN) only, whereas Wi-Fi is used for Wireless Wide Area Networks (WWAN) only
C. When information is transmitted between two devices using Bluetooth technology, the devices have to be in the line of sight of each other. But when Wi-Fi technology is used, the devices need not be in the line of sight of each other
D. The statements A. and B. given above are correct in this context
Answer –A. Bluetooth uses a 2.4 GHz radio frequency band whereas WiFi can use a 2.4 GHz or 5 GHz frequency band
Explanation-
47. The first railway station in the country to provide Google’s free public Wi-Fi service is: [UP Lower Sub. (Mains) 2015]
A. New Delhi Railway Station
B. Mumbai Central Railway Station
C. Howrah Railway Station
D. Chennai Railway Station
Answer –B. Mumbai Central Railway Station
Explanation-
48. Nanotechnology deals with objects with dimensions in the range of [SSC Section Officer (Audit) 2008]
A. 10–3 m
B. 10–6 m
C. 10–9 m
D. 10–12 m
Answer –C. 10–9 m
Explanation-
49. What is clickjacking? [SSC CPO Sub-Inspector 2010]
A. Malicious technique of tricking Web users into revealing confidential information
B. A device that sends and receives data in a bit second
C. A form of Computer Engineering
D. A digital process that is used to display an image on the monitor
Answer –A. Malicious technique of tricking Web users into revealing confidential information
Explanation-
50. The computer system that links and stores information among different countries in the world through a satellite is known as [UP Lower Sub. (Spl)(Pre) 2004]
A. Apollo
B. INSAT 2D
C. Internet
D. Nicnet
Answer –D. Nicnet
Explanation-
