RGCSA - COMPUTER EDUCATION

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SUBJECT : COMPUTER CONCEPT & FUNDAMENTAL (SET - III) SEM-I TIME : 30 MINUTES F.M. - 100

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1. CD-ROM is a

A) Semiconductor memory

B) Memory register

C) Magnetic memory

D) None of above

Clear selection

2. The basic operations performed by a computer are

A) Arithmetic operation

B) Logical operation

C) Storage and relative

D) All the above

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3. Microprocessors as switching devices are for which generation computers

A) First Generation

B) Second Generation

C) Third Generation

D) Fourth Generation

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4. Which type of computers uses the 8-bit code called EBCDIC?

A) Minicomputers

B) Microcomputers

C) Mainframe computers

D) Super computer

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5. What is the main difference between a mainframe and a super computer?

A) Super computer is much larger than mainframe computers

B) Super computers are much smaller than mainframe computers

C) Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently

D) Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible.

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6. The ALU of a computer responds to the commands coming from

A) Primary memory

B) Control section

C) External memory

D) Cache memory

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7. To produce high quality graphics (hardcopy) in color, you would want to use a/n

A) RGB monitor

B) Plotter

C) Ink-jet printer

D) Laser printer

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8. ASCII and EBCDIC are the popular character coding systems. What does EBCDIC stand for?

A) Extended Binary Coded Decimal Interchange Code

B) Extended Bit Code Decimal Interchange Code

C) Extended Bit Case Decimal Interchange Code

D) Extended Binary Case Decimal Interchange Code

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9. The brain of any computer system is

A) ALU

B) Memory

C) CPU

D) Control unit

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10. Which of the following IC was used in third generation of computers?

A) SSI

B) MSI

C) LSI

D) Both a and b

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11. The two kinds of main memory are:

A) Primary and secondary

B) Random and sequential

C) ROM and RAM

D) All of above

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12. The main electronic component used in first generation computers was

A) Transistors

B) Vacuum Tubes and Valves

C) Integrated Circuits

D) None of above

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13. A dumb terminal has

A) an embedded microprocessor

B) extensive memory

C) independent processing capability

D) a keyboard and screen

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14. A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is

A) Memory

B) Buffer

C) Accumulator

D) Address

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15. A dumb terminal has

A) an embedded microprocessor

B) extensive memory

C) independent processing capability

D) a keyboard and screen

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16. One millisecond is

A) 1 second

B) 10th of a seconds

C) 1000th of a seconds

D) 10000th of a seconds

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17. Which of the following was a special purpose computer?

A) ABC

B) ENIAC

C) EDVAC

D) All of the above

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18. Magnetic disks are the most popular medium for

A) Direct access

B) Sequential access

C) Both of above

D) None of above

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19. A physical connection between the microprocessor memory and other parts of the microcomputer is known as

A) Path

B) Address bus

C) Route

D) All of the above

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20. When was vacuum tube invented?

A) 1900

B) 1906

C) 1910

D) 1880

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21. High density double sided floppy disks could store of data

A) 1.40 MB

B) 1.44 GB

C) 1.40 GB

D) 1.44 MB

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22. An application suitable for sequential processing is

A) Processing of grades

B) Payroll processing

C) Both a and b

D) All of above

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23.Which of the following is not an input device?

A) OCR

B) Optical scanners

C) Voice recognition device

D) COM (Computer Output to Microfilm)

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24. The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately

A) 16 digits

B) 6 digits

C) 9 digits

D) All of above

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25. Software in computer

A) Enhances the capabilities of the hardware machine

B) Increase the speed of central processing unit

C) Both of above

D) None of above

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26. Today’s computer giant IBM was earlier known by different name which was changes in 1924. What was that name?

A) Tabulator Machine Co.

B) Computing Tabulating Recording Co.

C) The Tabulator Ltd.

D) International Computer Ltd.

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27. Mnemonic a memory trick is used in which of the following language?

A) Machine language

B) Assembly language

C) High level language

D) None of above

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28.What is the responsibility of the logical unit in the CPU of a computer?

A) To produce result

B) To compare numbers

C) To control flow of information

D) To do math’s works

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29.If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be

A) 216

B) 65,536

C) 64K

D) Any of the above

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30. The terminal device that functions as a cash register, computer terminal, and OCR reader is the:

A) Data collection terminal

B) OCR register terminal

C) Video Display terminal

D) POS terminal

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31. Each set of Napier’s bones consisted of rods.

A) 5

B) 9

C) 11

D) 13

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32. Which is used for manufacturing chips?

A) Bus

B) Control unit

C) Semiconductors

D) A and b only

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33. When was the world’s first laptop computer introduced in the market and by whom?

A) Hewlett-Packard, 1980

B) Epson, 1981

C) Laplink Traveling Software Inc, 1982

D) Tandy Model-200, 1985

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34. Nepal brought a computer for census of 2028 BS. This computer was of

A) first generation

B) second generation

C) third generation

D) fourth generation

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35. Algorithm and Flow chart help us to

A) Know the memory capacity

B) Identify the base of a number system

C) Direct the output to a printer

D) Specify the problem completely and clearly

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36. Which of the following statement is valid?

A) Lady Augusta is the first programmer

B) Ada is the daughter of Lord Byron, a famous English poet

C) ADA is a programming language developed by US Defense

D) All of above

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37. Which of the following is used as a primary storage device?

A) Magnetic drum

B) Hard Disks

C) Floppy

D) All of above

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38. The term gigabyte refers to

A) 1024 bytes

B) 1024 kilobytes

C) 1024 megabytes

D) 1024 gigabyte

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39. Which of the following is not anti-viruses software?

A) NAV

B) F-Prot

C) Oracle

D) McAfee

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40. What is a compiler?

A) A compiler does a conversion line by line as the program is run

B) A compiler converts the whole of a higher level program code into machine code in one step

C) A compiler is a general purpose language providing very efficient execution

D) None of the above

Clear selection

41. Modern Computers are very reliable but they are not

A) Fast

B) Powerful

C) Infallible

D) Cheap

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42. Which of the following statement is false?

A) Mechanical analog computers have existed for thousands of years

B) There are mechanical analog computers and electronic analog computers.

C) All electronic computers are digital computers

D) All of above are false

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43. Which of the following require large computers memory?

A) Imaging

B) Graphics

C) Voice

D) All of Above

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44. When was the first electro-mechanical computer developed?

A) 1880

B) 1990

C) 1944

D) None of above

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45. Programs designed to perform specific tasks is known as

A) system software

B) application software

C) utility programs

D) operating system

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46. Which one is the largest space?

A) kilobyte

B) petabyte

C) terabyte

D) gigabyte

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47. The brain of any computer system is

A) Control Unit

B) Arithmetic Logic Unit

C) Central Processing Unit

D) Storage Unit

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48. Who invented Integrated Circuits?

A) Jack Kilby

B) Robert Noyce

C) Both of above

D) None of above

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49. The advantage of COM are its __ and __

A) Compact size; speed readability

B) Compact size, speed

C) Readability; speed

D) Low cost; readability

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50. One computer that is not considered a portable is

A) Minicomputer

B) Laptop computer

C) Notebook computer

D) All of above

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