[ All computer questions and answers ]

झारखंड में आयोजित होने वाली JPSC, JSSC, JET, झारखंड पुलिस भर्ती परीक्षा आदि के लिए उपयोगी सामान्य अध्ययन।

[ Jharkhand General Knowledge & General Studies Questions ]

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

261. Full form of EDVAC is

[A] Electronic Diverse Variable Automatic Computer

[B] Electronic Digital Variable Automatic Computer

[C] Electronic Data Variable Automatic Computer

[D] Electronic Discrete Variable Automatic Computer

261.

[A]

[B]

[C]

[D]

सही उत्तर: D

व्याख्या: EDVAC stands for Electronic Discrete Variable Automatic Computer

Correct Answer:

Explanation: Important question.

262. Which part of the computer carries out arithmetic and logical operations?

[A] Control Unit

[B] Processing Element

[C] BIOS

[D] Mother Board

262.

[A]

[B]

[C]

[D]

सही उत्तर: B

व्याख्या: Processing element performs arithmetic and logical operations

Correct Answer:

Explanation: Important question.

263. Which of the following comprise the input devices?

[A] Keyboard

[B] Mouse

[C] Both 1 and 2

[D] Only 1

263.

[A]

[B]

[C]

[D]

सही उत्तर: C

व्याख्या: Keyboard and mouse are input devices

Correct Answer:

Explanation: Important question.

264. Which device incorporated a mechanical calendar computer?

[A] Astrolabe

[B] Gear-wheels

[C] Abacus

[D] Gear-train

264.

[A]

[B]

[C]

[D]

सही उत्तर: A

व्याख्या: Astrolabe was an early mechanical calendar device

Correct Answer:

Explanation: Important question.

265. Common property of a computer program is

[A] Terms of Reference

[B] Reference files

[C] Locality of Reference

[D] Line of Reference

265.

[A]

[B]

[C]

[D]

सही उत्तर: C

व्याख्या: Locality of reference is a key program property

Correct Answer:

Explanation: Important question.

266. Who designed first modern digital stored-program computer?

[A] J. Lyons

[B] John Newmann

[C] Tom Kilburn

[D] Maurice Wilkes

266.

[A]

[B]

[C]

[D]

सही उत्तर: D

व्याख्या: Maurice Wilkes designed first stored-program computer

Correct Answer:

Explanation: Important question.

267. EDVAC full form is

[A] Electronic Diverse Variable Automatic Computer

[B] Electronic Digital Variable Automatic Computer

[C] Electronic Data Variable Automatic Computer

[D] Electronic Discrete Variable Automatic Computer

267.

[A]

[B]

[C]

[D]

सही उत्तर: D

व्याख्या: EDVAC stands for Electronic Discrete Variable Automatic Computer

Correct Answer:

Explanation: Important question.

268. Core mathematical operations in analog computer are

[A] Integration

[B] Exponentiation

[C] Inversion

[D] All of the above

268.

[A]

[B]

[C]

[D]

सही उत्तर: D

व्याख्या: Analog computers perform integration, exponentiation and other operations

Correct Answer:

Explanation: Important question.

269. Devices that usually come with touchscreens are

[A] Nintendo Game Consoles

[B] Electronic Voting Machines

[C] Point of Sale Systems

[D] All of the above

269.

[A]

[B]

[C]

[D]

सही उत्तर: D

व्याख्या: Touchscreens are used in consoles, EVMs and POS systems

Correct Answer:

Explanation: Important question.

270. Desknotes refers to

[A] Laptop

[B] Notebook

[C] DTR computer

[D] Nettops

270.

[A]

[B]

[C]

[D]

सही उत्तर: C

व्याख्या: DTR computer is also called desknotes

Correct Answer:

Explanation: Important question.