General Computer Knowledge - in Hindi

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What is the base of octal number system?

ऑक्टल नंबर प्रणाली का आधार क्या है ?





Correct Answer :


Explanation :

Octal number system (base-8)
The octal number system uses eight values to represent numbers. Values are, 0 1 2 3 4 5 6 7

Example: Conversion from Octal to Decimal
2785 = 2 × 81 + 7 × 80 = 16 + 7 = 2310

Which section of the computer selects, interprets and monitor the execution of the program?
A) Monitor
B) Arithmatic logic unit
C) Control Unit
D) Central Processing Unit

Correct Answer :Central Processing Unit
Which of the statement is TRUE with respect to Interpreter?
A) It translates one instruction at a time
B) It translates whole program at a time
C) Repeated Interpretation is not necessary
D) None of the above

Correct Answer :It translates one instruction at a time

Which of the following memories needs to be refreshed after certain amount of time?

निम्न मे से कौन सी मैमोरी को कुछ समय के बाद रिफ्रेश करना पड़ता है?





Correct Answer :


Keyboard is a type of ___________ device?
कीबोर्ड ___________डिवाइस का एक प्रकार है?
A) Output
B) Input
C) Storage
D) Memory

Correct Answer :Input

___________ allows more than one program to run concurrently?

___________ एक से अधिक प्रोग्राम एक साथ चलाने की अनुमति देता है?

Multi User

Multi processing

Switching system

Multi tasking

Correct Answer :

Multi tasking

IP version 4 is a ______ addressing system?
A) 32 bit
B) 16 bit
C) 128 bit
D) 14 bit

Correct Answer :32 bit
What is the full form of EEPROM ?
A) Easily Erasable Programmable Read Only Memory
B) Electrically Erasable Programmable Read Only Memory
C) Electronically Erasable Programmable Read Only Memory
D) Electrically Erasable Program Record Only Memory

Correct Answer :Electrically Erasable Programmable Read Only Memory

Every computer on the internet is identified by its _______________?

इंटरनेट पर हर कंप्यूटर अपने की _________ द्वारा पहचान करते है?


Mother board

IP Address

Control Unit

Correct Answer :

IP Address

______ is an input device which inputs sound that is then stored in digital form?

______ वह इनपुट डिवाइस है जो कि ध्वनि इनपुट का डिजिटल रूप में भंडार करता है?



Track ball

ट्रैक बाल



Light pen

लाइट पेन

Correct Answer :


What is disk access time in computer?
A) Seek time + latency time
B) Only Seek time
C) Only Latency time
D) Execution time + seek time

Correct Answer :Seek time + latency time

A byte represents a group of?
A) 10 bits
B) 5 bits
C) 8 bits
D) 4 bits

Correct Answer :8 bits

What is of the following network device is used to join two network segments together?

निम्नलिखित नेटवर्क डिवाइस में एक साथ दो नेटवर्क क्षेत्रों में शामिल करने के लिए प्रयोग किया डिवाइस क्या है?









Correct Answer :


Which layer offers peer to peer and end to end connection between two processes on remote hosts?
A) Application layer
B) Data Link layer
C) Transport layer
D) Physical Layer

Correct Answer :Transport layer

Which memory is faster than main memory?

कौन सी मेमोरी मुख्य स्मृति मेमोरी से तेज है?
A) Secondary memory
B) Cache memory
C) Both (a) and (b)
D) Neither (a) nor (b)

Correct Answer :Cache memory

Which Shortcut key is used for Spelling check in MS word?

कौन सा शॉर्टकट की एमएस वर्ड में स्पेलिेग की जाँच के लिए प्रयोग किया जाता है?
A) F5
B) F12
C) F7
D) F8

Correct Answer :F7

_______is one of the small set of data holding places that are part of a computer processor?

B) Register
C) Hard disk
D) Magnetic disk

Correct Answer :Register

Which one of the following extends a private network across public networks?

A) Local Area Network
B) Virtual Private Network
C) Enterprise private network
D) Storage area network

Correct Answer :Virtual Private Network

Which of the following is not a domain name?

A) .com
B) .edu
C) .gov
D) .exe

Correct Answer :.exe

What is the full form of MICR?

MICR का पूरा नाम क्या है?
A) Magnetic Ink case recognition
B) Magnetic Ink character recognition
C) Magnetic Ink code recognition
D) Main Ink Code recognition

Correct Answer :Magnetic Ink character recognition

Which technology is used in compact Disks?

कॉम्पैक्ट डिस्क में कौन सी तकनीक उपयोग की जाती है?
A) Laser/लेजर
B) Mechanical/मैकेनिकल
C) Electrical /इलेक्ट्रिकल
D) Electro magnetic/इलेक्ट्रोमेग्नेटिक

Correct Answer :Laser

Different components of the motherboard of a personal computer unit are linked together by sets of parallel electrical conducting lines, these lines are called as:

A) Conductor
B) Bus
C) Connector
D) Consecutive

Correct Answer :Bus

Which was the first electronic computer?

C) Z3

Correct Answer :ENIAC

The computer program that converts an entire program into machine language is called?

A) Interpreter
B) Simulator
C) Compiler
D) Commander

Correct Answer :Compiler

Which of the following was the first microprocessor built by the Intel corporation?

निम्न में से कोन सा पहला माइक्रो प्रोसेसर इंटेल कारपोरेशन द्वारा बनाया गया?
A) 8008
B) 8080
C) 4004
D) 8800

Correct Answer :4004

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An aeroplane flying at a height of 300 m above the ground passes vertically above another plane at an instant when the angles of elevation of the two planes from the same point on the ground are 60º and 45º respectively. What is the height of the lower plane from the ground?

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What is cos4 A - sin4 A / cos2 A - sin2 A equal to?

If 7sin2 x +3cos2 x = 4, 0 < x < 90º ,then what is the value of tan x?

If x = a cosθ + b sinθ and y = a sinθ - b cosθ then what is x2 + y2 equal to?


The mean of 5 numbers is 15. If one more number is included, the mean of the 6 numbers becomes 17. What is the included number?

The mean marks obtained by 300 students in a subject are 60. The mean of top 100 students was found to be 80 and the mean of last 100 students was found to be 50. The mean marks of the remaining 100 students are?

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Let a, b, c, d, e, f, g be consecutive even numbers and j, k, l, m, n be consecutive odd numbers. What is the average of all the numbers?

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25 kg of alloy X is mixed with 125 kg of alloy Y. If the amount of lead and tin in the alloy X is the ratio 1 : 2 and the amount of lead and tin in the alloy Y is in the ratio 2 : 3, then what is the ratio of lead to tin in the mixture?


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