Page 346 - GMAT 2017b_Neatb

Computer Literacy Test 1

(C) Control Bus Only (C) Cache
(D) All (A), (B) and (C) (D) Registers

15. In Super Computer, a machine must be capable of 24. Which is a semi-conductor based memory?
performing at least (A) Disk
(A) 20 million arithmetic operations per second (B) Ram
(B) 10 million arithmetic operations per second (C) Rom
(C) 5 million arithmetic operations per second (D) Both (B) and (C)
(D) None of the above
25. The number of levels in digital signal is
16. Which of the following computer is correctly the (A) One
smallest and least? (B) Four
(A) Micro Computer (C) Two
(B) Super Computer (D) Ten
(C) mainframes
(D) None of the above 26. Which of the following can provide a digital Signal?
(A) Square wave
17. As with input devices a particular Computer System (B) Slow change in Value of Register
can have (C) Sinve wave
(A) Only one output device (D) Gradual turning of a Potentiometer
(B) Many different Output devices
(C) Only 2 Output devices 27. A pure sine wave is
(D) None of the above (A) A digital signal
(B) An analog signal
18. IInd Generation Computers came in (C) Can be digital or analog
(A) 1954 - 1964 (D) Neither digital nor analog
(B) 1964 - 1985
28. If Y in binary System is 100 then 8 will be
(C) 1946 - 1954
(A) 10
(D) 1964 - 1974
(B) 100
(C) 111
19. Which is not a IIIrd Generation Computer?
(A) CRAY-I (D) 1000
(B) NCR-304
(C) PDP-8 29. The High voltage level of a digital signal in positive
(D) PDP-II logic is
(A) 1
(B) 0
20. The full form of ENIAC is
(A) Electronic Numerical Integrated Arithmetic (C) either 1 or 0
Calculator (D) Nor 1 nor 0
(B) Electronic Numerical in Advanced Computer
(C) Electronic Numerical Integrator and Calculator 30. Decimal 15 in binary system can be written as
(D) None of the above (A) 1111
(B) 1110
(C) 1100
21. Which is a volatile memory?
(A) Hard disk (D) 1000
(B) Tape drives
(C) RAM 31. A device that converts from decimal to binary number
(D) ROM is called
(A) Decoder
(B) Encoder
22. Which is not a magnetic based memory?
(A) ROM (C) CPU
(B) Hard disk (D) Converter
(C) Tapes 32. Which of the binary addition is incorrect?
(D) Floopy disk (A) 1001 + 1101 = 10110
(B) 10101 + 10011 = 101000
23. Which is fastest of all? (C) 11111 + 11111 = 1000000
(A) RAM (D) 11111 + 10001 = 110000
(B) ROM

349