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Home » Engineering » Computer Science » Aptitude Test - 53
1.Which of the following is form of semi conductor memory in which it is possible to change the contents of selected memory locations by applying suitable electrical signals.
A. CAM
B. ROM
C. EAROM
D. CAM
2.The basic components of a modern digital computer are :
A. Input device
B. Output device
C. Central processor
D. Input device
3.What does that acronym EGA stand for?
A. Enhanced Graphics Array
B. Extended Graphics Array
C. Monochrome Graphics Adapter
D. Enhanced Graphics Array
4.A beam of light used to record and retrieve data on optical disks is known as
A. polarized light
B. unpolarized concentric light
C. laser
D. polarized light
5.Punched-card equipment was first introduced in Britain in 1904 by a small company. What was the name of that company?
A. The Tabulator Ltd.
B. Tabulator Machine Company
C. International Business Machines (IBM)
D. The Tabulator Ltd.
6.The computer translates the condition of each switch to a number. What number is represented by the ON state?
A. 7
B. 3.75
C. 1
D. 7
7.A disk with usable recording surfaces on each side is known as
A. Hard disk
B. Single-sided disk
C. Double-sided disk
D. Hard disk
8.What is a portion of memory that serves as a temporary repository for data as it waits for a given action?
A. Memory Pool
B. Cache
C. Processor
D. Memory Pool
9.In serial, asynchronous transmissions, the ____ bit is used to signal the end of the character within the data frame.
A. start
B. stop
C. parity
D. start
10.Which is the acronym for Algol extended for design.
A. AFIPS
B. ADP
C. AED
D. AFIPS
11.Which of the following are often used to ensure that data has been accurately input to the computer?
A. digitizers
B. light pens
C. keyboards
D. digitizers
12.An input device that converts data punched into paper lape into a binary format is
A. Page reader
B. Paper tape punch
C. Paper tape reader
D. Page reader
13.A computer will function only if it
A. has a control unit
B. is given input data
C. has a program in its memory
D. has a control unit
14.A memory in which the information is stored last is on top & is retrieved first is known as
A. PROM
B. Buffer
C. Stack
D. PROM
15.Regarding a VDU, which statement is more correct?
A. It is an output device
B. It is an input device
C. It is a peripheral device
D. It is an output device
16.Plotter accuracy is measured in terms of repeatability and
A. buffer size
B. resolution
C. vertical dimension
D. buffer size
17.The minimum time delay required between the initiation of two successive memory operations is known as
A. memory cycle time
B. memory access time
C. transmission time
D. memory cycle time
18.Which of the following terms describe 1024 kilobytes?
A. Kilobyte
B. Megabyte
C. Gigabyte
D. Kilobyte
19.The flow and timing to data to and from the microprocessor is regulated by
A. control pins
B. address pins
C. data pins
D. control pins
20.The total number of messages handled by a computerized telephone system on a daily basis is an example of:
A. Frequency
B. Updating
C. Volume
D. Frequency
21.An internal storage consisting of arrays of small rings of magnetic material called ferrite is
A. Magnetic tape
B. Magnetic core
C. Magnetic disk
D. Magnetic tape
22.In the language of the computer profession, one thousand position of main storage is represented with the letter
A. K
B. L
C. M
D. K
23.Which of the following processor is software that accepts user ideas, manipulates and reorganises them in user-specified ways and then produces a refined model of those thoughts.
A. Distribute
B. Out-line
C. Multi
D. Distribute
24.The control of the jobs running within a system is
A. Job monitoring
B. Job stream
C. Job min
D. Job monitoring
25.Communication using a modulated carrier to apply a data signal to a transmission medium in analog form is
A. Local area network
B. Modem
C. Base band networking
D. Local area network
26.The most popular language for interactive use is
A. COBOL
B. PASCAL
C. BASIC
D. COBOL
27.An error in computer data is called
A. Chip
B. Bug
C. CPU
D. Chip
28.Any piece of equipment forming an interface to a data communication system is
A. DTE
B. DTA
C. CSA
D. DTE
29.In which of the following, each data item contains at most 2 points
A. List structure
B. LISP
C. List sorting
D. List structure
30.An input/output device at which data enters or leaves a computer system is
A. Keyboard
B. Terminal
C. Printer
D. Keyboard
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