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.Management Sciences
Category: Basic computer knowledge
The technique of temporarily delaying outgoing outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is called__________________?
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A. piggybacking
B. cyclic redundancy check
C. fletcher’s checksum
D. none of these
Which of the following groups have only input devices ?
A. Mouse, Keyboard and Monitor
B. Mouse, Keyboard and Printer
C. Mouse, Keyboard and Plotter
D. Mouse, Keyboard and Scanner
During processing data, programs, and processed information are held temporality in ________________________?
A. Secondary storage
B. ROM
C. RAM
D. CPU
A sales clerk at a checkout counter scanning a tag on an item rather than keying it into the system, is using __________________?
A. input automation
B. item data automation
C. scanning automation
D. source data automation
What term is used to describe using the mouse to move an item on the screen to a new location ?
A. Click
B. Double-click
C. Drag and drop
D. Point
The first mechanical calculating machine was made by ________________________?
A. William Oughtred
B. Gottfried Leibnitz
C. Blaise Pascal
D. Charles Babbage
Printed information called _______________exists physically and is a more permanent form of output than that presented on a display device?
A. Soft copy
B. Carbon copy
C. Hard copy
D. Desk copy
The physical layer is responsible for__________________?
A. line coding
B. channel coding
C. modulation
D. all of these
What are the concentric circles on floppy disks know as ?
A. Tracks
B. Cylinders
C. Sectors
D. Segments
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