A small film-plate which is used for microfilming the output from a microcomputer screen is called
A. microfilm
B. microfiche
C. film card
D. COM
E. None of the above
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The ALU and control unit of most of the microcomputers are combined and manufactured on a single silicon chip. What is it called?
A. Monochip
B. Microprocessor
C. ALU
D. Control Unit
E. None of the above
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Continuous line drawing are produced using
A. Chain printers
B. Daisy wheel printers
C. Plotters
D. Thermal devices
E. None of the above
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Which of the following registers is loaded with the contents of the memory location pointed by the PC?
A. Memory Address Register
B. Memory Data Register
C. Instruction Register
D. Program Counter
E. None of the above
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Storage on PC allows you to store files until something erases it, but memory loses its contents whenever its _____ is lost
A. static
B. disk space
C. power
D. both A and B
E. None of the above
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One byte can be used to encode any integer between '0' and inclusive
A. 16
B. 256
C. 128
D. 255
E. None of the above
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Why is the width of the data bus so important to the processing speed of a computer?
A. The narrower it is, the greater the computer's processing speed
B. The wider it is, the more data that can fit into main memory
C. The wider it is, the greater the computer's processing speed
D. The wider it is, the slower the computer's processing speed
E. The data bus isn't important to the processing speed of a computer
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How many types of storage loops exist in magnetic bubble memory?
A. 8
B. 4
C. 16
D. 2
E. None of the above
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The function of CPU is
A. to provide a hard copy
B. to read, interpret and process the information and instruction
C. to communicate with the operator
D. to provide external storage of text
E. None of the above
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The bubbles in a bubble memory pack are created with the help of?
A. Laser beam
B. Magnetic field
C. Electric field
D. X-ray
E. None of the above
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The central processor of a modern digital computer consists of
A. control unit
B. primary memory
C. control unit and primary memory
D. All of the above
E. None of the above
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Fifth generation computers are likely to exhibit
A. artificial intelligence
B. heuristic behaviour
C. advanced parallel processing
D. All of the above
E. None of the above
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A computer system consisting of its processor, memory and I/O devices accepts data, processes it and produces the output results. Can you tell in which component is the raw data fed?
A. Mass Memory
B. Main memory
C. Logic unit
D. Arithmetic unit
E. None of the above
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When did arch rivals IBM and Apple Computers Inc. decide to join hands?
A. 1978
B. 1984
C. 1990
D. 1991
E. None of the above
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The transistorized computer circuits were introduced in the
A. First generation
B. Second generation
C. Third generation
D. Fourth generation
E. Fifth generation
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The memory sizes in mainframe computers and advanced technology micro computers are expressed as
A. Bytes
B. Kilo-bytes
C. Bits
D. Megabytes
E. None of the above
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A memory bus is mainly used for communication between
A. processor and memory
B. processor and I/O devices
C. I/O devices and memory
D. input device and output device
E. None of the above
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An AND gate
A. implements logic addition
B. is equivalent to a series switching circuit
C. is an any or all gate
D. is equivalent to a parallel switching circuit
E. None of the above
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The daily processing of corrections to customer accounts best exemplifies the processing mode of:
A. Batch processing
B. Real-time processing
C. Time-sharing
D. Offline processing
E. None of the above
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Which of the following devices can be used to directly input printed text?
A. OCR
B. OMR
C. MICR
D. All of the above
E. None of the above
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