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Home » Engineering » Computer Science » Aptitude Test - 44
1.A software package to perform calculations on data arranged in an array is
A. System software
B. Utility programs
C. Electronic spread sheet
D. System software
2.What was the name of the first stored program electronic computer which was built in 1949 at Cambridge University in England?
A. EDVAC
B. EDSAC
C. UNIVAC
D. EDVAC
3.A computer with CPU speed around 100 million instructions per second & with the word length of around 64 bits is known as
A. Super computer
B. Mini computer
C. Micro computer
D. Super computer
4.An input device which can read characters directly from an ordinary piece of paper is
A. OCR
B. OMR
C. MSI
D. OCR
5.Which of the following is not a part of the CPU
A. storage unit
B. arithmetic and logic unit
C. program unit
D. storage unit
6.Which of the following chips can be reprogrammed with special electric pulses?
A. EPROM
B. PROM
C. ROM
D. EPROM
7.In this world of fast changing computer technology, one of the most important factor to be considered while purchasing a PC is, it should have a provision for
A. high level integration
B. self upgradability
C. intelligent sensors
D. high level integration
8.A collection of eight bits is called
A. Byte
B. Word
C. Record
D. Byte
9.The ALU of a central processing unit does the essential maths work for the computer. What does the control unit do?
A. Communicates its results
B. Activates the output device
C. Monitors the flow of information
D. Communicates its results
10.Which of the following storage and retrieval methods would be well suited to your processing requirements if you only need to retrieve records one at a time and there is no fixed pattern to the requests for data and records?
A. indexed sectors
B. sequential
C. direct
D. indexed sectors
11.In MODEMS
A. Several digital signals are multiplexed
B. A digital signal changes some characteristic of a carrier wave
C. Digital signal is amplified
D. Several digital signals are multiplexed
12.Which is a secondary memory device?
A. CPU
B. ALU
C. Floppy disk
D. CPU
13.A storage device which is used to store data & information external to the main storage is known as
A. Buffer
B. Backing storage
C. PROM
D. Buffer
14.In a PC, how much memory is available to application software?
A. 1024 KB
B. 760 KB
C. 640 KB
D. 1024 KB
15.For a memory system, the cycle time is
A. same as the access time
B. longer than the access time
C. shorter than the access time
D. same as the access time
16.The number of records contained within a block of data on magnetic tape is defined by the
A. block definition
B. record contain clause
C. blocking factor
D. block definition
17.The binary equivalent of the Octal number 13.54 is
A. 1011.1011
B. 1101.111
C. 1001.111
D. 1011.1011
18.What process prepares the magnetic surface of a disk by creating concentric circles, called tracks, around the disk? (Each track is further divided into pic-shaped sections called sectors.)
A. Tracking
B. Formatting
C. Copying
D. Tracking
19.One of the main feature that distinguish microprocessors from microcomputers is
A. words are usually larger in microprocessors
B. words are shorter in microprocessors
C. microprocessor does not contain I/O devices
D. words are usually larger in microprocessors
20.Which type of display is the latest to be used for portable computer?
A. LED display
B. LCD display
C. Plasma display
D. LED display
21.Which of the following is not true of future computers?
A. increased use of CAD/CAM techniques
B. faster turnaround time
C. developments in artificial intelligence systems
D. increased use of CAD/CAM techniques
22.The EAM device that does not use a control panel is the:
A. collator
B. reproducer
C. interpreter
D. collator
23.Whenever a peripheral is being controlled by the CPU, it is said to be online. If additionally, the computer files are updated as soon as any change takes place, the system is called
A. quick processing system
B. batch processing system
C. real time system
D. quick processing system
24.The following is true about 2-out of-5 code:
A. it is weighted code
B. it is unweighted code
C. it has odd parity
D. it is weighted code
25.The Josephson tunneling device illustrates principles associated with the advanced storage technique:
A. cryogenics
B. CCD
C. EBAM
D. cryogenics
26.Communication between computers using standard telephone service
A. Requires a change to an analog signal
B. Is the most efficient
C. Produces little noise and few disturbances
D. Requires a change to an analog signal
27.A floppy disk contains
A. Circular tracks only
B. Sectors only
C. Both circular tracks and sector
D. Circular tracks only
28.What was the total number of UNIVAC-I sold eventually and by which company?
A. 30, British Tabulating Machine Co. (BTM)
B. 40, International Business Machines (IBM)
C. 48, Remington Rand
D. 30, British Tabulating Machine Co. (BTM)
29.A file containing relatively permanent data is
A. Random file
B. Transaction file
C. Master file
D. Random file
30.Communication that involves computers, establishing a link through the telephone system is called
A. Teleprocessing
B. Microprocessing
C. Telecommunications
D. Teleprocessing
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