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Home » Engineering » Aptitude Test - 133
Hassan
1.A file containing relatively permanent data is
A. Random file
B. Transaction file
C. Master file
D. Random file
2.Communication that involves computers, establishing a link through the telephone system is called
A. Teleprocessing
B. Microprocessing
C. Telecommunications
D. Teleprocessing
3.Dot-matrix is a type of
A. Tape
B. Printer
C. Disk
D. Tape
4.Which kind of devices allows the user to add components and capabilities to a computer system?
A. System boards
B. Storage devices
C. Input devices
D. System boards
5.Where does a computer add and compare data?
A. Hard disk
B. Floppy disk
C. CPU chip
D. Hard disk
6.Which of the following require large computer memory?
A. Imaging
B. Graphics
C. Voice
D. Imaging
7.Which of the following are used to quickly accept, store, and transfer data and instructions that are being used immediately by the CPU?
A. microprocessors
B. registers
C. ROM chips
D. microprocessors
8.Which disk interface standard includes support for up to eight peripheral devices?
A. ST50G/412
B. IDE
C. SCSI
D. ST50G/412
9.Who designed the first general purpose electronic digital computer "ENIAC" ?
A. Van-Neumann
B. Joseph M Juoquard
C. J. Presper Ecket and John W Mauchly
D. Van-Neumann
10.What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?
A. Bus control
B. Interrupts
C. Bus arbitration
D. Bus control
11.In synchronous transmission data from various users
A. Require header
B. Do not require header
C. Sometimes require header
D. Require header
12.General purpose computers are those that can be adopted to countless uses simply by changing its
A. keyboard
B. printer
C. program
D. keyboard
13.What is the name of the visible silver rectangle which separates the take-up portion of the magnetic tape from the data recording portion?
A. Load maker
B. Load marker
C. Tape separator
D. Load maker
14.A part located in the central processing unit that stores data & information is known as
A. Core memory
B. PROM
C. EPROM
D. Core memory
15.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
16.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
17.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
18.An input device which can read characters directly from an ordinary piece of paper is
A. OCR
B. OMR
C. MSI
D. OCR
19.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
20.Which of the following chips can be reprogrammed with special electric pulses?
A. EPROM
B. PROM
C. ROM
D. EPROM
21.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
22.A collection of eight bits is called
A. Byte
B. Word
C. Record
D. Byte
23.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
24.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
25.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
26.Which is a secondary memory device?
A. CPU
B. ALU
C. Floppy disk
D. CPU
27.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
28.In a PC, how much memory is available to application software?
A. 1024 KB
B. 760 KB
C. 640 KB
D. 1024 KB
29.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
30.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
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