What type of magnetic material is normally used in bubble memories?
A. Magnetic core
B. Cobalt
C. Garnet
D. Metallic
E. None of the above
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A byte is comprised of:
A. One bit
B. Four bits
C. Eight bits
D. Sixteen bits
E. None of the above
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Which of the following printer can be classified as a page-at-a-time printer?
A. Laser printer
B. Dot-matrix printer
C. Thermal printer
D. Inkjet printer
E. None of the above
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The CPU of a computer transfers print output to a temporary disk memory at high speed and then gets back to processing another job without waiting for the output to got to the printer. In this way, the CPU does not remain idle due to its own high speed as compared to the low speed of the printer. What is the name of this memory?
A. External memory
B. I/O memory
C. ROM
D. Buffer memory
E. None of the above
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Which of the following registers hold the information before it goes to the decoder
A. control register
B. data register
C. accumulator
D. address register
E. None of the above
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A modern electronic computer is a machine that is meant for
A. doing quick mathematical calculations
B. input, storage, manipulation and outputting of data
C. electronic data processing
D. performing repetitive tasks accurately
E. None of the above
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A typical modern computer uses
A. LSI chips
B. Vacuum tubes
C. Valves
D. All the above
E. None of the above
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ENIAC (Electronic Numerical Integrator and Calculator) had huge advantage over Mark I because it used electronic valves in place of the electromagnetic switches. In the beginning, ENIAC was used for calculating the path of artillery shells. For which other was weapon design was it utilized?
A. hydrogen bomb
B. atom bomb
C. agnimissile
D. fighter aircraft
E. None of the above
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Who was the father of Punched Card Processing?
A. J Presper Eckert
B. Charles Babbage
C. Dr. Herman Hollerith
D. Blaise Pascal
E. None of the above
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When did Hewlett-Packard Inc. Introduce its first HP-110 laptop computer?
A. 1984
B. 1986
C. 1990
D. 1995
E. None of the above
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The computer program language which is widely used in computer science and engineering and also in business is
A. COBOL
B. FORTRAN
C. PASCAL
D. LISP
E. None of the above
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A 'number crunching' computer is one that can handle
A. large spreadsheets
B. large alphanumeric data
C. large volume of numbers
D. only numbers
E. None of the above
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The barcode which is used on all types of items, is read by a scanning device directly into the computer. What is the name of this scanning device?
A. Laser scanner
B. Wand
C. OCR
D. MICR
E. None of the above
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A processing unit that coordinates networks and data communication is known as
A. Control unit
B. Communications processor
C. Register unit
D. CPU
E. None of the above
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A type of line printer that uses an embossed steel band to form the letters printed on the paper is
A. Golf ball printer
B. Dot-matrix printer
C. Laser printer
D. Band printer
E. None of the above
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Which memory system is not as a mass memory medium?
A. semiconductor memory
B. magnetic tape
C. magnetic disk
D. magnetic drum
E. None of the above
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Different components on the motherboard of a PC processor unit are linked together by sets of parallel electrical conducting lines. What are these lines called?
A. Conductors
B. Buses
C. Connectors
D. Connectively
E. None of the above
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The terminal device that functions as a cash register, computer terminal, and OCR reader is the:
A. Data collection terminal
B. OCR register terminal
C. Video display terminal
D. POS terminal
E. None of the above
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The general range of speed in revolutions per minute (rpm) at which floppy disks rotate is
A. 2400-4700
B. 390-600
C. 150-250
D. 300-600
E. None of the above
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Which of the following typically uses a keyboard for input?
A. desktop terminal
B. point-of-sale terminal
C. financial transaction terminal
D. executive workstation
E. All of the above
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