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सितंबर 15, 2018

Computer GK-12

Computer General knowledge for all competitive exam like ibps,ssc,mppsc,vyapam,RRB. Don't forget to follow our website to get notifications on your email


401. Which was the computer conceived by Babbage?
A) Analytical Engine
B) Arithmetic Machine
C) Donald Kunth
D) All of above

402. The processing speed of first generation computers was
A) milliseconds B) microseconds C) nanoseconds D) picoseconds

403. Model 5100 was            in 1957.
A) The first PC built by IBM
B) The first PC built by Apple
C) The first PC built by Motorola
D) The first PC built by Intel

404. VGA is
A) Video Graphics Array
B) Visual Graphics Array
C) Volatile Graphics Array
D) Video Graphics Adapter

405. A kind of scanner MICR is the short form of
A) Magnetic Ink Character Reader
B) Magnetic Ink Code Reader
C) Magnetic Ink Cases Reader
D) None

406. Which of the following is not a class based on size?
A) Mainframe Computer
B) Micro Computer
C) Mini Computer
D) Digital Computer

407. Which 8-bit chip was used in many of today’s TRS-80 computers?
A) Z-8000
B) Motorola 6809
C) Z-8808
D) Z-80

408. Which of the following disk is fixed disk?
A) Hard Disks
B) Flash Disks
C) Blu-Ray Disks
D) DVDs

409. Which of the following professions has not been affected by personal computers?
A) Medical
B) Clerical and law
C) Accounting
D) None of the above

410. The word Abacus is derived from Abax, a word from
A) Latin language
B) Greek Language C) Sanskrit language D) Ancient Egypt

411. In latest generation computers, the instructions are executed
A) Parallel only
B) Sequentially only
C) Both sequentially and parallel
D) All of above

412. Which of the following memory medium is not used as main memory system?
A) Magnetic core
B) Semiconductor C) Magnetic tape D) Both a and b

413. An online backing storage system capable of storing larger quantities of data is
A) CPU
B) Memory
C) Mass storage
D) Secondary storage

414. A kind of serial dot-matrix printer that forms characters with magnetically-charged ink sprayed dots is called
A) Laser printer
B) Ink-jet printer C) Drum printer D) Chan printer

415. Which of the following does not affect the resolution of a video display image?
A) Bandwidth
B) Raster scan rage
C) Vertical and horizontal lines of resolution
D) Screen size


416. Which of the following printing devices an output composed of a series of data?
A) Wire matrix printer
B) Band printer
C) Wang image printer
D) Both a and c

417. Which of the following is an example of fifth generation computer?
A) PIM/m
B) ICL 2950
C) IBM 1401
D) None of above

418. Magnetic disks are the most popular medium for
A) Direct access
B) Sequential access
C) Both of above
D) None of above

419. Which of the following is not a third generation computer?
A) IBM 360
B) IBM 1401
C) PDP-8
D) HP2115

420. The number of records contained within a block of data on magnetic tape is defined by the
A) Block definition
B) Record contain clause
C) Blocking factor
D) Record per block

421. Mark I is also known as
A) American Sequence Controlled Calculator
B) Automatic Sequence Calculating Controller C) American Sequence Controlled Computer D) Automatic Sequence Controlled Calculator

422. Which of the following registers is loaded with the contents of the memory location pointed by the PC?
A) Memory address registers
B) Memory data registers
C) Instruction register
D) Program counter

423. Which of the following are the cheapest memory devices in terms of Cost/Bit?
A) Semiconductor memories
B) Magnetic Disks C) Compact Disks D) Magnetic Tapes

424. MIS is designed to provide information needed for effective decision making by?
A) Consumers
B) Workers
C) Foremen
D) Managers

425. Which is valid statement
A) 1 KB = 1024 Bytes
B) 1 MB = 1024 Bytes C) 1 KB = 1000 Bytes D) 1 MB = 1000 Bytes

426. Latency time is
A) Time to spin the needed data under head
B) Time to spin the needed data under track
C) Time to spin data under sector
D) All of above

427. Who built the first Mechanical Calculator
A) Joseph Marie Jacquard
B) John Mauchly
C) Blaise Pascal
D) Howard Aiken

428. The most important advantage of a video disk is
A) Compactness
B) Potential capacity
C) Durability
D) Cost effectiveness

429. Which of the following generation computers had expensive operation cost?
A) First
B) Second
C) Third
D) Fourth

430. An IBM system/38 represents the computer class of:
A) Small-scale computer
B) Medium-scale computer
C) Large-scale computer
D) Super computer

431. Another word for a daisy wheel printer
A) Petal printer
B) Golf ball printer
C) Laser printer
D) Line printer

432. Cursor is a                 
A) Pixel
B) Thin blinking line C) Pointing device D) None of these

433. Which device is used to backup the data?
A) Floppy Disk
B) Tape
C) Network Drive
D) All of the above

434. Which of the following printers are you sure will not to use if your objective is to print on multi carbon forms?
A) Daisy wheel B) Dot matrix C) Laser
D) Thimble

435. Which of the following items are examples of storage devices?
A) Floppy / hard disks
B) CD-ROMs
C) Tape devices
D) All of the above

436. ASCII and EBCDIC are the popular character coding systems.
What does ASCII stand for?
A) American Stable Code for International Interchange B) American Standard Case for Institutional Interchange C) American Standard Code for Information Interchange D) American Standard Code for Interchange Information

437. Which computers are used as servers for any medium sized organizations?
A) Mainframe Computer
B) Mini Computers C) Micro Computers D) Super Computers

438. Slide Rules was invented in
A) 1614
B) 1617
C) 1620
D) None of above

439. A normal CD-ROM usually can store up to                data?
A) 680 KB
B) 680 Bytes
C) 680 MB D) 680 GB


440. Which of the following required large computer memory?
A) Imaging B) Graphics C) Voice
D) All of above

441. Which was the computer conceived by Babbage?
A) Analytical engine
B) Arithmetic machine
C) Donald Knuth
D) All of above

442. The lower deck of an abacus is known as
A) heaven
B) sky
C) earth
D) floor

443. All modern computer operate on
A) Information
B) Floppies
C) Data
D) Word

444. The computer that can input analog signals and return result in digital form
A) Analog Computers B) Digital Computers C) Hybrid Computers
D) Mainframe Computers

445. Offline device is
A) A device which is not connected to CPU B) A device which is connected to CPU
C) A direct access storage device
D) An I/O device

446. What is the latest write-once optical storage media?
A) Digital paper
B) Magneto-optical disk
C) WORM disk
D) CD-ROM disk

447. Which of the following programming language started from second generation?
A) LISP B) C
C) QBASIC
D) FORTRAN

448. Which one of the following input device is user- programmable?
A) Dumb terminal B) Smart terminal C) VDT
D) Intelligent terminal

449. Floppy disks typically in diameter
A) 3?
B) 5.25? C) 8?
D) All of above

450. Current SIMMs have either     or    connectors (pins)
A) 9 or 32
B) 30 or 70
C) 28 or 72
D) 30 or 72
401-A    402-A    403-A    404-A    405-A    406-D    407-D    408-A    409-D    410-A
411-C     412-C     413-C     414-B     415-D    416-D    417-A    418-C     419-B     420-C
421-D    422-C     423-C     424-D    425-A    426-A    427-C     428-B     429-A    430-A
431-B     432-B     433-D    434-C     435-D    436-C     437-B     438-C     439-C     440-D
441-A    442-C     443-C     444-C     445-A    446-D    447-D    448-D    449-D    450-D

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सितंबर 14, 2018

Computer GK-11

Computer General knowledge for all competitive exam like ibps,ssc,mppsc,vyapam,RRB. Don't forget to follow our website to get notifications on your email


351. Number crunchier is the informal name for
A) Mini computer B) Super computer C) Microcomputer
D) Mainframe computer

352. RATS stand for
A) Regression Analysis Time Series B) Regression Analysis Time Sharing C) Real Analysis Series
D) All of above

353. Which technology is used in Compact disks?
A) Mechanical
B) Electrical
C) Electro Magnetic
D) Laser

354. Different components of the motherboard of a PC unit are linked together by sets of parallel electrical conducting lines. What are these lines called?
A) Conductors
B) Buses
C) Connectors
D) Consecutives

355. Which is the first electronic digital computer?
A) ENIAC B) MARK I C) Z3
D) ABC

356. Which of the following is a storage device?
A) Tape
B) Hard Disk
C) Floppy Disk
D) All of the above

357. The metal disks, which are permanently housed in, sealed and contamination free containers are called
A) Hard disks
B) Floppy disk
C) Winchester disk
D) Flexible disk

358. A computer program that converts an entire program into machine language is called a/an
A) Interpreter
B) Simulator
C) Compiler
D) Commander

359. Intel corporation produces chips for which computers?
A) IBM PCs
B) Apple/Macintosh PCs
C) Both of above
D) None of above

360. The first microprocessor built by the Intel corporation was called
A) 8008
B) 8080
C) 4004
D) 8800

361. Which of the following is not a class of computers based on size?
A) Mainframe Computers
B) Mini Computers C) Micro Computers D) Super Computers

362. Who invented EDSAC?
A) John v. Neumann
B) J.P. Eckert and John Mauchley
C) Maurice Wilkes
D) Howard Aiken

363. EEPROM stands for
A) Electrically Erasable Programmable Read Only Memory
B) Electronic Erasable Programmable Read Only Memory
C) Easily Erasable Programmable Read Only Memory
D) Easily Erasable Programmable Read Only Memory

364. Which of the following is a class of computers based on model?
A) Digital Computer
B) Hybrid Computers C) Analog Computers D) AT Computers

365. What are the computers called that performs calculations and comparisons usually in the binary numbering system? A) Analog Computers
B) Digital Computers
C) Hybrid Computers
D) None of above

366. ASCII stands for
A) American Standard Code for Information Interchange
B) American Scientific Code for International Interchange C) American Standard Code for Intelligence Interchange D) American Scientific Code for Information Interchange

367. The data recording format in most of the modern magnetic tape is
A) 7-bit ASCII
B) 7-bit EBCDIC C) 8-bit ASCII
D) 8-bit EBCDIC


368. Why ABC computer is called so?
A) Because it was developed by Atanasoff and Berry
B) Because it was thought to be the first computer so named with first alphabets of English
C) Both of above are the reason to name the computer ABC D) None of above are true

369. Who designed the first electronics computer ? ENIAC/
A) Von Neumann
B) Joseph M Jacquard
C) J. P. Eckert and J. W. Mauchly
D) All of above

370. Central Processing Unit is combination of
A) Control and storage
B) Control and output unit
C) Arithmetic logic and input unit
D) Arithmetic logic and control unit

371. IBM 1401 computer was
A) Mainframe Computer
B) Mini Computers C) Micro Computers D) None of above

372. Time during which a job is processed by the computer is
A) Delay times
B) Real time
C) Execution time
D) Down time

373. CD-ROM stands for
A) Compactable Read Only Memory
B) Compact Data Read Only Memory
C) Compactable Disk Read Only Memory
D) Compact Disk Read Only Memory

374. Which unit converts user data into machine readable form?
A) Input unit
B) Output unit
C) ALU
D) Control Unit

375. Which unit is known as nerve center of computer?
A) ALU B) CU
C) Memory
D) Registers

376. What does the disk drive of a computer do?
A) Rotate the disk
B) Read the disk
C) Load a program from the disk into the memory
D) Both b and c

377. Access time is
A) seek time + latency time
B) seek time
C) seek time
D) latency time

378. Who invented the microprocessor?
A) Marcian E Huff
B) Herman H Goldstein
C) Joseph Jacquard
D) All of above

379. MICR stands for
A) Magnetic Ink Character Reader
B) Magnetic Ink Code Reader C) Magnetic Ink Case Reader D) None of the above

380. The Width of a processor’s data path is measured in bits.
Which of the following are common data paths?
A) 8 bits
B) 12 bits C) 16 bits D) 32 bits

381. MSI is the abbreviation of
A) Medium Scale Integrated
B) Medium System Integrated
C) Medium Scale Intelligent
D) Medium System Intelligent

382. IMB launched its first personal computer called IBM-PC in
1981. It had chips from Intel, disk drives from Tandon, operating system from Microsoft, the printer from Epson and the application software from everywhere. Can you name the country which contribute
A) India
B) China
C) Germany
D) Taiwan

383. Which statement is valid about interpreter?
A) It translates one instruction at a time
B) Object code is saved for future use
C) Repeated interpretation is not necessary
D) All of above

384. Easily reloctable language is
A) Machine language
B) Assembly language
C) High level language
D) Medium level language

385. Which of the following memories needs refresh?
A) SRAM B) DRAM C) ROM
D) All of above

386. Through which device the main components of the computer communicate with each other?
A) Keyboard
B) System Bus
C) Monitor
D) Memory

387. What type of device is computer keyboard?
A) Memory
B) Output C) Storage D) Input

388. Which is the limitation of high level language?
A) Lower efficiency
B) Machine dependence
C) machine level coding
D) None of above

389. An example of a digital device can be
A) Digital clock
B) Automobile speed meter
C) Clock with a dial and two hands
D) All of the above

390. Which of the following is not true?
A) Transistors are much smaller
B) Transistors produce low heat
C) Transistors were less reliable
D) Transistors were used in radios and other electronic devices

391. A characteristic of card systems is:
A) Slowness in processing data
B) Using cards as records of transactions
C) Needing a larger DP staff
D) All of the above


392. The full form of EEPROM is
A) Electrically Erasable Programmable Read Only Memory
B) Easily Erasable Programmable Read Only Memory
C) Electronic Erasable Programmable Read Only Memory
D) None of the above

393. The original ASCII code used__bits of each byte, reserving that last bit for error checking
A) 5
B) 6
C) 7
D) 8

394. A computer programmer
A) Does all the thinking for a computer
B) Can enter input data quickly
C) Can operate all types of computer equipments
D) Can draw only flowchart

395. Fifth generation computer is also known as
A) Knowledge information processing system
B) Very large scale integration (VLSI) C) Both of above
D) None of above

396. The commonly used standard data code to represent alphabetical, numerical and punctuation characters used in electronic data processing system is called
A) ASCII
B) EBCDIC C) BCD
D) All of above

397. Which of the following have low failure rate?
A) mechanical devices
B) electronic devices
C) electro-mechanical devices
D) None of above

398. Which of the following memories need refresh?
A) SRAM B) DRAM C) ROM
D) All of the above

399. A typical personal computer used for business purposes would have   of RAM.
A) 4 KB B) 16 K C) 64 K D) 256 K

400. The ALU of a computer normally contains a number of high speed storage element called
A) Semiconductor memory
B) Registers
C) Hard disks
D) Magnetic disk




351-b     352-A    353-D    354-B     355-D    356-D    357-C     358-C     359-A    360-C
361-D    362-C     363-A    364-D    365-B     366-A    367-D    368-B     369-C     370-D
371-A    372-C     373-D    374-A    375-A    376-D    377-A    378-A    379-A    380-A
381-A    382-D    383-B     384-B     385-B     386-B     387-D    388-A    389-A    390-C
391-D    392-A    393-C     394-A    395-A    396-D    397-B     398-B     399-D    400-B

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सितंबर 13, 2018

Computer GK-10

Computer General knowledge for all competitive exam like ibps,ssc,mppsc,vyapam,RRB. Don't forget to follow our website to get notifications on your email
301. Which of the following computer implemented binary numbers, perform calculations using electronics and implemented separate computation and memory for the first time?
A) Mark I B) ABC
C) Z3
D) None of above

302. FORTRAN is a programming language. What does FORTRAN
stand for?
A) File Translation
B) Format Translation C) Formula Translation D) Floppy Translation

303. Which of the following memories needs refreshing?
A) SRAM B) DRAM C) ROM
D) All of above

304. Can you tell what passes into and out from the computer via its ports?
A) Data
B) Bytes
C) Graphics
D) Pictures

305. An output device that uses words or messages recorded on a magnetic medium to produce audio response is
A) Magnetic tape
B) Voice response unit
C) Voice recognition unit
D) Voice band

306. Which of the items below are considered removable storage media?
A) Removable hard disk cartridges
B) (Magneto-optical) disk C) Flexible disks cartridges D) All of the above

307. Which of the following is not purely output device?
A) Screen B) Printer C) Speaker D) Plotter

308.      Who developed a mechanical device in the
17th century that could add, subtract, multiple,
divide and find square roots?
A) Napier
B) Babbage
C) Pascal
D) Leibniz

309. The first Macintosh computer was from
A) First generation
B) Second generation
C) Third generation
D) Fourth generation

310. Which of the following is not a form of data?
A) numbers and characters
B) images
C) sound
D) none of above

311. Which is not a computer classification?
A) mainframe
B) maxframe
C) mini
D) notebook

312. The control unit of a microprocessor
A) Stores data in the memory
B) Accepts input data from keyboard C) Performs arithmetic/logic function D) None of above

313. Which of the following is internal memory?
A) Disks
B) Pen Drives
C) RAM D) CDs

314. Which operation is not performed by computer
A) Inputting B) Processing C) Controlling
D) Understanding

315. Floppy disks which are made from flexible plastic material are also called?
A) Hard disks
B) High-density disks
C) Diskettes
D) Templates

316. The magnetic storage chip used to provide non-volatile direct access storage of data and that have no moving parts are known as
A) Magnetic core memory
B) Magnetic tape memory
C) Magnetic disk memory
D) Magnetic bubble memory

317. A collection of related instructions organized for a common purpose is referred to as
A) File
B) Database
C) Program
D) None of above

318. Plotter accuracy is measured in terms of repeatability and
A) Buffer size
B) Resolution
C) Vertical dimensions
D) Intelligence

319. Computer instructions written with the use of English words instead of binary machine code is called
A) Mnemonics
B) Symbolic code
C) Gray codes
D) Opcode

320. Which language is directly understood by the computer without translation program?
A) Machine language
B) Assembly language
C) High level language
D) None of above


321. On which aspect the analog computers are better than digital?
A) Speed
B) Accuracy C) Reliability D) Automatic

322. Which of the following processors use RISC technology?
A) 486dx
B) Power PC C) 486sx
D) 6340

323. Which of the following machine was not invented by Charles
Babbage?
A) Tabulating Machine
B) Analytical Engine C) Difference Engine D) Both C and D

324. How many numbers could ENIAC store in its internal memory
A) 100
B) 20
C) 80
D) 40

325. The subject of cybernetics deals with the science of
A) Genetics
B) Control and communication
C) Molecular biology
D) Biochemistry

326. Why ABC is considered electro-mechanical computer?
A) Because it was invented before electronic computers were developed
B) Because there are wheels, drums, bars to rotate and move to produce result
C) Because they use the flow of electrons in different component
D) None of above

327. Binary circuit elements have
A) One stable state B) Two stable state C) Three stable state D) None of above

328. Which of the following is used for manufacturing chips?
A) Control bus B) Control unit C) Parity unit
D) Semiconductor

329. Which of the following is not a micro computer?
A) Laptop PCs
B) Tablet PCs
C) Desktop PCs
D) None of above

330. The value of each bead in earth is
A) 1
B) 3
C) 5
D) 7

331. When did John Napier develop logarithm?
A) 1416
B) 1614
C) 1641
D) 1804

332. Which of the following terms is the most closely related to main memory?
A) Non volatile
B) Permanent C) Control unit D) Temporary

333. Which was the world’s first minicomputer and when was it
introduced?
A) PDP-I, 1958
B) IBM System/36, 1960
C) PDP-II, 1961
D) VAX 11/780, 1962

334. A group of magnetic tapes, videos or terminals usually under the control of one master is
A) Cylinder B) Surface C) Track
D) Cluster

335. The word length of a computer is measured in
A) Bytes
B) Millimeters
C) Meters
D) Bits

336. What type of memory is not directly addressable by the CPU and requires special softw3are called EMS (expanded memory specification)?
A) Extended B) Expanded C) Base
D) Conventional

337. Which unit holds data permanently?
A) Input unit
B) Secondary storage unit
C) Output Unit
D) Primary Memory Unit

338. Before a disk can be used to store data. It must be                
A) Formatted
B) Reformatted
C) Addressed
D) None of the above

339. Computer system comprises of major units
A) input unit, output unit, control unit
B) input unit, output unit, control unit and storage
C) input unit, output unit, central processing unit and storage unit
D) input, output and storage units

340. The first general purpose electronic digital computer in the world was
A) UNIVAC B) EDVAC C) ENIAC
D) All of above

341. Signals can be analog or digital and a computer that processes the both type of signals is known as
A) Analog computer B) Digital Computer C) Hybrid Computer
D) Mainframe Computer

342. High level language is also called
A) Problem oriented language
B) Business oriented language
C) Mathematically oriented language
D) All of the above

343. Human beings are referred to as Homosapinens, which device is called Sillico Sapiens?
A) Monitor
B) Hardware
C) Robot
D) Computer


344. Which of the following file organization is most efficient for a file with a high degree of file activity?
A) Sequential
B) ISAM C) VSAM
D) B-Tree Index

345. Which of the following is associated with error detector?
A) Odd parity bit
B) Even parity bit
C) Both of the above
D) None of above

346. Magnetic tape can serve as
A) Secondary storage media
B) Output media
C) Input media
D) All of the above

347. Which company is the biggest player in the microprocessor industry?
A) Motorola
B) IBM C) Intel D) AMD

348. The first digital computer built with IC chips was known as
A) IBM 7090
B) Apple ? 1
C) IBM System / 360
D) VAX-10

349. EBCDIC can code up to how many different characters?
A) 256
B) 16
C) 32
D) 64

350. MICR stands for
A) Magnetic Ink Character Reader
B) Magnetic Ink Code Reader C) Magnetic Ink Cases Reader D) None



301-B     302-C     303-B     304-A    305-B     306-D    307-A    308-D    309-D    310-D
311-B     312-D    313-C     314-D    315-C     316-D    317-C     318-B     319-B     320-A
321-B     322-B     323-A    324-B     325-B     326-B     327-B     328-D    329-D    330-A
331-B     332-D    333-A    334-D    335-D    336-B     337-B     338-A    339-C     340-A
341-C     342-D    343-D    344-A    345-C     346-A    347-C     348-C     349-A    350-A

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