[ All computer questions and answers ]

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[ Jharkhand General Knowledge & General Studies Questions ]

Useful GK for JPSC, JSSC, JET, Jharkhand Police and other exams.

271. Most common method of entering data into computer is

[A] Plotter

[B] Scanner

[C] Printer

[D] Keyboard

271.

[A]

[B]

[C]

[D]

सही उत्तर: D

व्याख्या: Keyboard is most common input device

Correct Answer:

Explanation: Important question.

272. What is the name given to the special type of stored procedure that automatically executes when an event occurs in the database server?

[A] Deadlock

[B] Trigger

[C] Instance

[D] Rollback

272. What is the name given to the special type of stored procedure that automatically executes when an event occurs in the database server?

[A] Deadlock

[B] Trigger

[C] Instance

[D] Rollback

सही उत्तर: B

व्याख्या: A database trigger is procedural code that is automatically executed in response to events.

Correct Answer: B

Explanation: A database trigger is automatically executed in response to database events.

273. Which of the following are examples of Access network?

[A] ADSL

[B] ISP

[C] Mobile Network

[D] All of the Above

273. Which of the following are examples of Access network?

[A] ADSL

[B] ISP

[C] Mobile Network

[D] All of the Above

सही उत्तर: D

व्याख्या: Access networks include ISP, ADSL and mobile networks.

Correct Answer: D

Explanation: Access networks include ISP, ADSL and mobile networks.

274. Which of the following noise may occur when signals at different frequencies share the same transmission medium?

[A] White noise

[B] Intermodulation noise

[C] Cross talk

[D] Impulse noise

274. Which of the following noise may occur when signals at different frequencies share the same transmission medium?

[A] White noise

[B] Intermodulation noise

[C] Cross talk

[D] Impulse noise

सही उत्तर: B

व्याख्या: Intermodulation noise occurs when different frequency signals mix.

Correct Answer: B

Explanation: Intermodulation noise occurs when signals of different frequencies mix.

275. Which IEEE standard is defined by 802.3ab?

[A] Megabit Ethernet over copper wiring

[B] Gigabit Ethernet over Fiber optics

[C] Gigabit Ethernet over copper wiring

[D] Fast Ethernet

275. Which IEEE standard is defined by 802.3ab?

[A] Megabit Ethernet over copper wiring

[B] Gigabit Ethernet over Fiber optics

[C] Gigabit Ethernet over copper wiring

[D] Fast Ethernet

सही उत्तर: C

व्याख्या: IEEE 802.3ab defines Gigabit Ethernet over copper wiring.

Correct Answer: C

Explanation: IEEE 802.3ab defines Gigabit Ethernet over copper wiring.

276. What is the maximum download speed offered under LTE-Advanced standard?

[A] 10 Mbps

[B] 100 Mbps

[C] 1 Gbps

[D] 10 Gbps

276. What is the maximum download speed offered under LTE-Advanced standard?

[A] 10 Mbps

[B] 100 Mbps

[C] 1 Gbps

[D] 10 Gbps

सही उत्तर: C

व्याख्या: LTE-Advanced supports up to 1 Gbps download speed.

Correct Answer: C

Explanation: LTE-Advanced supports up to 1 Gbps download speed.

277. Which ITU-T standard protocol suite is used for packet-switched WAN communication?

[A] X.25

[B] X.15

[C] X.5

[D] X.35

277. Which ITU-T standard protocol suite is used for packet-switched WAN communication?

[A] X.25

[B] X.15

[C] X.5

[D] X.35

सही उत्तर: A

व्याख्या: X.25 is a WAN packet switching protocol.

Correct Answer: A

Explanation: X.25 is a WAN packet switching protocol.

278. Which network is used for communication between bulletin board systems?

[A] FidoNet

[B] GOSIP

[C] Archie

[D] None of the above

278. Which network is used for communication between bulletin board systems?

[A] FidoNet

[B] GOSIP

[C] Archie

[D] None of the above

सही उत्तर: A

व्याख्या: FidoNet connects bulletin board systems worldwide.

Correct Answer: A

Explanation: FidoNet connects bulletin board systems worldwide.

279. In which year did Computer Science Network (CSNET) start?

[A] 1978

[B] 1982

[C] 1981

[D] 1975

279. In which year did Computer Science Network (CSNET) start?

[A] 1978

[B] 1982

[C] 1981

[D] 1975

सही उत्तर: C

व्याख्या: CSNET started in 1981.

Correct Answer: C

Explanation: CSNET started in 1981.

280. In which year was SMTP developed?

[A] 1974

[B] 1976

[C] 1980

[D] 1982

280. In which year was SMTP developed?

[A] 1974

[B] 1976

[C] 1980

[D] 1982

सही उत्तर: D

व्याख्या: SMTP was developed in 1982.

Correct Answer: D

Explanation: SMTP was developed in 1982.