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Home » Engineering » Aptitude Test - 143
Hassan
1.The IC was invented at Texas instruments in year 1958 by
A. Jaik Kilby
B. Clive Sinclair
C. John Napier
D. Jaik Kilby
2.The personnel which deal with the computer and its management put together is known as
A. Firm ware
B. Human ware
C. Software
D. Firm ware
3.A path linking 2 hardware or telecommunication units down which data and control signals can be transmitted is
A. Modulation
B. Demodulation
C. Channel
D. Modulation
4.The unit of hardware an operator uses to monitor computer processing is the:
A. Card reader
B. CPU
C. Line printer
D. Card reader
5.A framework in which circuit boards can he mounted is
A. Switch circuit
B. Chip
C. Card cage
D. Switch circuit
6.What is the minimum number of operations required, for a microprocessor with 8 data pins, to read a 32-bit word?
A. 1
B. 2
C. 4
D. 1
7.The main purpose of the off line device is
A. To reduce the no.of operator errors in recording data
B. To save computer time
C. To save floor space in the computer centre
D. To reduce the no.of operator errors in recording data
8.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. 4 digits
D. 16 digits
9.Which of the following languages is the most widely used?
A. PL/1
B. BASIC
C. FORTRAN
D. PL/1
10.How many addresses are required for 25 x 40 video RAM?
A. 2000
B. 1920
C. 1000
D. 2000
11.Which protocol has been standardised by the International Standards Organisation.
A. ISAM
B. ISO
C. LISP
D. ISAM
12.Which of the following is the largest and most powerful computer manufacture in the world
A. IBM
B. Intel
C. Novel
D. IBM
13.Conversion of binary number 1011102 to octal is
A. 358
B. 468
C. 568
D. 358
14.A symbol that modifies an action is known as
A. Compiler
B. Modifier
C. Interpreter
D. Compiler
15.The first computer used to store a program
A. EDSAC
B. ENIAC
C. EDVAC
D. EDSAC
16.RAM is also known as
A. Read-only memory
B. Programmable read-only memory
C. Read/Write memory
D. Read-only memory
17.Which of the following statements is false?
A. Secondary storage is nonvolatile
B. Primary storage is volatile
C. Secondary storage contains data for immediate processing
D. Secondary storage is nonvolatile
18.Hardware _____ memory is seldom used in modern computers.
A. ROM
B. RAM
C. LIFO
D. ROM
19.Which language was created by Charles H. Moore at National Radio Astronomy Observatory.
A. BASIC
B. FORTH
C. dBASE
D. BASIC
20.An IC contains 50 gates each of which consists of 6 components. Its belong to
A. VLSI
B. LSI
C. MSI
D. VLSI
21.Which gate only sends one through if neither of its terminals receives a pulse.
A. NOT
B. NOR
C. OR
D. NOT
22.In a mortar, the binding material is
A. cement
B. sand
C. surkhi
D. cement
23.Lacquer paints
A. are generally applied on structural steel
B. are less durable as compared to enamel paints
C. consist of resin and nitro-cellulose
D. are generally applied on structural steel
24.Wrought iron contains carbon upto
A. 0.25%
B. 1.00%
C. 1.50%
D. 0.25%
25.Pick up the polymineralic rock from the following:
A. Quartz sand
B. Pure gypsum
C. Magnesite
D. Quartz sand
26.Pick up the correct statement from the following:
A. For thin structures subjected to wetting and drying, the water cement ratio should be 0.45
B. For mass concrete structures subjected to wetting and drying, the water ratio should be 0.55
C. For thin structures which remain continuously under water, the water-cement ratio by weight should be 0.55
D. For thin structures subjected to wetting and drying, the water cement ratio should be 0.45
27.Ultimate strength to cement is provided by
A. Tricalcium silicate
B. Di-calcium silicate
C. Tri-calcium aluminate
D. Tricalcium silicate
28.Elastomers can extend upto
A. five times their original dimensions
B. seven times their original dimensions
C. ten times their original dimensions
D. five times their original dimensions
29.Bitumen felt
A. is used as water proofing material
B. is used as damp proofing material
C. is made from bitumen and hessian fibres
D. is used as water proofing material
30.In the method of condensation polymerization,
A. low-molecular substances are removed from the high molecular substance
B. the reaction proceeds with an evolution of ammonia
C. the reaction proceeds with an evolution of hydrogen chloride
D. low-molecular substances are removed from the high molecular substance
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