IBPS COMPUTER KNOWLEDGE PRACTICE MCQs

1. The use of computer work stations to send and receive messages is known as
(a) electronic funds transfer
(b) electronic message switching
(c) electronic mail
(d) electronic publishing
ANS: c


2. Protecting the data from unauthorized access is called
(a) data inaccessibility
(b) data encryption
(c) data security
(d) data validity
ANS: c



3. What is true about supercomputers
(a) they can fit on a single small chip
(b) they are found at thousands of places around the world
(c) they cost only few thousand rupee
(d) they can process billions of operations in a second
ANS: d



4. In a distributed computer system
(a) there are many computers and terminals
(b) the task is executed by a number of processors
(c) the task is distributed throughout the system
(d) All of the above.
ANS: c



5. A computer programming language often used by children is
(a) LOGO
(b) PILOT
(c) BASIC
(d) PASCAL
ANS: a



6. The linking of computers with a communication system is called
(a) networking
(b) pairing
(c) interfacing
(d) assembling
ANS: a



7. The software generally used for what-if analysis is related to
(a) word-processing
(b) graphics
(c) database management
(d) None of the above
ANS: d



8. Distributed data entry means that data can be
(a) entered at different locations where it originates
(b) sent to different locations from a central place
(c) accessed from different places know as distribution points
(d) distributed through a network
ANS: a



9. Software documentation refers to
(a) anything written about how the software is designed or functions
(b) the documents which, the user has to sign before using the software legally
(c) the compatibility of the software with IBM-PC
(d) None of the above.
ANS: a



10. If a home computer user wants access to national database networks he/she at least requires
(a) a microcomputer, a modem, a telephone line
(b) a microcomputer, a tele-printer, a telephone line
(c) a microcomputer, communications soft-ware, a telephone line
(d) a microcomputer, a modem, communications software, a telephone line
ANS: d



11. Which of the following factors does not affect the total time taken to generate by using computers?
(a) entry of data
(b) complexity of calculations to be performed
(c) type and format of output required
(d) power of the processor
(e) speed of the printer
(f) place where the computer is kept
ANS: f



12. Which of the following functions of a computer is wrong?
(a) it obtains data from an input device
(b) it processes the data and delivers the final results to an output device
(c) it takes processing steps from the list of instructions called program
(d) it stores the program and data in memory.
(e) It generates the program on its own.
ANS: e



13. The heart of a computer is
(a) CPU
(b) Memory
(c) I/O Unit
(d) Disks
ANS: a

14. A computer consists of
(a) a central processing unit
(b) a memory
(c) input and output units
(d) All the above.
ANS: d



15. Which of the following is not used as secondary storage?
(a) semiconductor memory
(b) magnetic disks
(c) magnetic drums
(d) magnetic tapes
ANS: a



16. Which of the following memory is capable of operating at electronics speed?
(a) semiconductor memory
(b) magnetic disks
(c) magnetic drums
(d) magnetic tapes
ANS: a



17. Which of the following is responsible for coordinating various operations using timing signals?
(a) Arithmetic-logic unit
(b) Control unit
(c) Memory unit
(b) I/O unit
ANS: b



18. The ALU of a computer normally contains a number of high speed storage elements called
(a) semiconductor memory
(b) registers
(c) hard disk
(d) magnetic disk
ANS: b



19. Memories in which any location can be reached in a fixed (and short) amount of time after specifying its address is called
(a) sequential-access memory
(b)  random-access memory
(c) secondary memory
(d) mass storage
ANS: b



20. Which of the following is the fastest?
(a) CPU
(b) Magnetic tapes and disks
(c) Video terminal
(d) Sensors, mechanical controllers
ANS: a



21. Modern computers do not work with decimal numbers. Instead, they process binary numbers i.e., groups of Os and 1s because
(a) electronic devices are most reliable when designed for two state (binary) operation
(b) binary circuits are simple
(c) memory is only possible for binary numbers
(d) with decimal numbers, the circuits are complex and costly
(e) with decimal numbers, processing speed is slow
ANS: a



22. A computer can be defined as an electronic device that can (choose the most precise definition)
(a) carry out arithmetical operations
(b) carry out logical functions
(c) do complicated calculations
(d) accept and process data by implementing sequentially a set of stored instructions.
(e) Present information to the operator on a visual display unit
ANS: d



23. Stored instructions and data in digital computers consists of
(a) alphabets
(b) numerals
(c) characters
(d) scripts
(e) bits
ANS: e



24. A digital computer performs its computations by
(a) mechanical means
(b) analogy
(c) guessing
(d) counting
(e) None of the above.
ANS: d



25. Binary coded decimal (BCD) numbers express each decimal digitals as
(a) binary digits
(b) digits and strings
(c) nibble
(d) word
(e) byte
ANS: c



26. The basic operation performed by a computer is
(a) arithmetic operations
(b) logic operations
(c) storage and retrieval operations ../(d) all the above
(e) None of the above.
ANS: d



27. Who is regarded as the Father of computers?
(a) Abascus
(b) John Napier
(c) Pascal
(c) Charles Babbage
(e) Hollerith
ANS: c



28. The analog computer deals directly with
(a) number or codes
(b) measured values of continuous physical magnitude
(c) signals in the form of 0 or 1
(d) signals in discrete values from 0 to 9
ANS: b



29. Transistor was invented in
(a) 1945
(b) 1946
(c) 1947
(d) 1948
ANS: d



30. Integrated circuits are classified according to the
(a) no. of chips
(b) no. of vacuum tube
(c) no. of gates
(d) no. of transistor
ANS: c



31. 1 K bits equals to the
(a) 1000 bits
(b) 100 bits
(c) 1024 bits
(d) 10 bits
ANS: c



32. The first microprocessor was introduced in
(a) 1971
(b) 1972
(c) 1973
(d) 1974
ANS: a



33. In terms of processing power there is a class of computers between minicomputers and microcomputers known as
(a) Supercomputer
(b) Mainframe
(c) Personal computer
(d) Workstation
ANS: d



34. The biggest manufacturer of workstations is
(a) Sun Microsystems
(b) IBM
(c) DEC
(d) HP
ANS: a



35. The first AT Systems have
(a) 12 bit ISA Bus
(b) 14 bit ISA Bus
(c) 16 bit ISA Bus
(d) 18 bit ISA Bus
ANS: c

36. Networking is a connection of two or more
(a) Computer System
(b) Man
(c) Place
(d) Business
ANS: a

37. If you want to improve the performance of your PC, you need to upgrade the
(a) CPU
(b) Monitor
(c) Keyboard
(d) Printer
ANS: a

BANK EXAMS COMPUTER KNOWLEDGE PRACTICE QUESTIONS

1. Multiprogramming was made possible by
(a) input/output units that operate independently of the CPU
(b) Operating systems
(c) Both a and b
(d) Neither a nor b
ANS: c


2. The person contributing the idea of the stored program was
(a) John von Neumann
(b) Charles Babbage
(c) Howard Aiken
(d) Thomas J. Watson, Sr.
ANS: a

3. Transistorized computer circuit were introduced in the
(a) first generation
(b) second generation
(c) third generation
(d) fourth generation
ANS: b

4. The first firm to mass-market a microcomputer as a personal computer was
(a) Data general corporation
(b) Sperry Univac
(c) radio shack
(d)IBM
ANS: c

5. The "Father of Punched Card Processing" was
(a) J. Presper Eckert
(b) Charles Babbage
(c) Blaise Pascal
(d)Dr. Herman Hollerith
ANS: d


6. The punched card used in IBM System/3 contains
(a) 80 column
(b) 90 column
(c) 96 column
(d) 126 column
ANS: c


7. First integrated circuit chip was developed by
(a) C.V.Raman
(b) W.H.Brittain
(c) J.S.Kilby
(d) Robert Noyc
ANS: c


8. The main distinguishing features of fifth generation digital computers will be
(a) Liberal used microprocessors
(b) Artificial intelligence
(c) Extremely low cost
(d) Versatility
ANS: b


9. IBM 7000 digital computer
(a) Belongs to second generation
(b) Uses VLSI
(c) Employs semi-conductor memory
(d) has modular construction
ANS: d


10. The first mechanical computer designed by Babbage was called:
(a) Analytical Engine
(b) Abacus
(c) Calculator
(d) Processor
ANS: a


11. The counting board in which numbers are represented as beads strung on wires is commonly called abacus. By what name is it known in Japan?
(a) Suanpan
(b) Soroban
(c) Napier's beads
(d) Suharto
ANS: b

12. Who developed a mechanical device in the 17th century that could add, subtracts, multiply, divide and find square roots?
(a) Napier
(b) Babbage
(c) Pascal
(d) Leibnitz
ANS: d


13. What is the name of the earliest calculating machine which was based on concepts found in modem computers but was unfortunately never build?
(a) Babbage's Difference Engine
(b) Pascal's Adder
(c) Leibnitz's Multiplier
(d) Differential Analyzer
ANS: a


14. Who is called the "grandfather" of the computer?
(a) Herman Hollerith
(b) Blaise Pascal
(c) Charles Babbage
(d) Joseph jacquard
ANS: c

15. In 1830, Charles Babbage designed a machine called the Analytical Engine which he showed at the Paris Exhibition. In which year was it exhibited
(a) 1835
(b) 1860
(c) 1855
(d) 1870
ANS: c


16. Charles Babbage, who was Professor of Mathematics at Cambridge University in England, was an eccentric and quick tempered man. He planned and dreamt of many machines which he could not complete. One such machine was known as "Babbage's Folly". Can you tell the name of the machine?
(a) Differential Analyzer
(b) Difference Engine
(c) Analytical Engine
(d) Mark-1
ANS: c


17. In 1944, an electromechanical computer was built having thousands of relays which sounded "like a roomful of old ladies knitting away with steel needles" as they clicked open and closed. What was the name of the computer?
(a) colossus
(b) Mark-1
(c) Whirlwind
(d) EDSAC
ANS: b


18. ENIAC (electric Numerical Integrator and Calculator) had huge advantage over mark because it used electronic valves in place of the electromagnetic valves in place of the electromagnetic switches. In the beginning, ENIAC was used for calculating the path of artillery shells. For which other was weapon design was it utilized?
(a) hydrogen bomb
(b) atom bomb
(c) submarines
(d) fighter aircraft
ANS: a


19. What was the total number of UNIVAC- I sold eventually and by which company?
(a) 20, British Tabulating Machine Co. (BTM)
(b) 80, International Business Machines (IBM)
(c) 48, Remington Red
(d) 40, International Computer Ltd. (ICL)
ANS: 48

20. Who is credited with the development of the "blueprints" for the first digital computer?
(a) Blaise Pascal
(b) William Seward Burroughs
(c) Charles Babbage
(d) Herman Hollerith
ANS: c


21. The first practical commercial typewriter was invented in 1867 in the United States by
(a) Chirstopher Latham Sholes
(b) Carlos Glidden
(c) Samual soule
(d) All of the above
ANS: d


22. Punched-card equipment was first introduced in Britain in 904 by a small company. What was the name of that company?
(a) The Tabulator Ltd.
(b) Tabular Machine Company
(c) International Business Machines (IBM)
(d) Accounting & Tabulating Corp. of Great Britain
ANS: a


23. When was punched-card equipment used for the first time to process the British census?
(a) 1094
(b) 1907
(c) 1911
(d) 1914
ANS: c


24. The first major electronic analog computer called the differential analyzer was built at Massachusetts institute of Technology (MIT) in the late 1920s. Can you tell who directed the development of this computer?
(a) Cliffort Berry
(b) Thomas J Watson
(c) A.M. Turing
(d) Vannevar Bush
ANS: d


25. Which was the first company in the world to build computer for sale?
(a) International Business Machines
(b) Remington Rand Corporation
(c) English Electric Computer Ltd:
(d) Sperry Univac.
ANS: d