To locate a data item for storage is
A. Field
B. Feed
C. Database
D. Fetch
E. None of the above
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Which of the following memory is capable of operating at electronics speed?
A. Semiconductor memory
B. Magnetic disks
C. Magnetic drums
D. Magnetic tapes
E. None of the above
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The main purpose of time sharing techniques used in computers is to make the best use of the
A. CPU
B. peripherals
C. seconday storage
D. floppy disks
E. None of the above
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Which of the following is not true of immediate processing?
A. It is often used in real-time applications
B. It can occur with either sequential of direct-access files
C. It can be used in an airline-reservation system
D. Transactions are processed shortly after a real-world event occurs
E. All of the above are true
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A temporary storage area, attached to the CPU, for I/O operations is a:
A. chip
B. buffer
C. register
D. core
E. None of the above
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Which part of the computer were is used for calculating and comparing?
A. Disk unit
B. Control unit
C. ALU
D. Modem
E. None of the above
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The person contributing the idea of the stored program was
A. John von Neumann
B. Charles Babbage
C. Howard Aiken
D. Basic Pascal
E. None of the above
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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. 40, International Computer Ltd. (ICL)
E. None of the above
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A file containing relatively permanent data is
A. Random file
B. Transaction file
C. Master file
D. Sequential file
E. None of the above
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Communication that involves computers, establishing a link through the telephone system is called
A. Teleprocessing
B. Microprocessing
C. Telecommunications
D. All of the above
E. None of the above
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Dot-matrix is a type of
A. Tape
B. Printer
C. Disk
D. Bus
E. None of the above
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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. Output devices
E. Expansion slots
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Where does a computer add and compare data?
A. Hard disk
B. Floppy disk
C. CPU chip
D. Memory chip
E. None of the above
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Which of the following require large computer memory?
A. Imaging
B. Graphics
C. Voice
D. All of the above
E. None of the above
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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. data buses
E. None of the above
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Which disk interface standard includes support for up to eight peripheral devices?
A. ST50G/412
B. IDE
C. SCSI
D. ESDI
E. None of the above
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Who designed the first general purpose electronic digital computer "ENIAC" ?
A. Van-Neumann
B. Joseph M Juoquard
C. J. Presper Eckert and John W Mauchly
D. All of the above
E. None of the above
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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. Status
E. None of the above
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The analog computer measures dimensions and its circuits use the differential and integral equations of continuous variables. The digital computer counts units and its circuits use
A. Logic gates
B. Discrete switches
C. Boolean algebra
D. Bayes' theorem
E. None of the above
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In synchronous transmission data from various users
A. Require header
B. Do not require header
C. Sometimes require header
D. All of the above
E. None of the above
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