Which of the following is true concerning personal computers?
Options: They decrease the demand for mainframe computers, They have been most successful in the home, The electronic spreadsheet has been a primary reason for their popularity, Their future is not so bright owning to the improved cost-performance ratio of minis and mainframes
You copy a configuration from a network host to a router's RAM. The configuration looks correct, yet it is not working at all. What could the problem be?
Options: You copied the wrong configuration into RAM., You copied the configuration into flash memory instead., The copy did not override the shutdown command in running-config., The IOS became corrupted after the copy command was initiated.
. If the cell B1 contains the formula = $A$1, which of the following statements is true
Options: a. There is a relative reference to cell A1
b. There is an absolute reference to cell A1
c. Further changes in value of A1 will not affect the value of B1
d. Further changes in value of B1 will affect the value of A1
Options: Changes the content of the slide
B. Adds functionality to the slide
C. Changes the look of the slide without changing the content
D. None of the above
Ans:â€“ C ,
The north pole of a magnet is the one:
Options: that has its molecules arranged in a random pattern, that would be attracted to the earth's north magnetic pole, that would be repelled by the south pole of another magnet, that would be attracted to the earth's south magnetic pole
Options: is a low percentages of number of records added or deleted from a file, if high, reduces processing efficiency for sequential and nonsequential files, is a measure of the percentage of existing records updated during a run, refers to how closely the files fits into the allocated
Which of the following describes the operation of a positive edge-triggered D-type flip-flop?
Options: If both inputs are HIGH, the output will toggle., The output will follow the input on the leading edge of the clock., When both inputs are LOW, an invalid state exists., The input is toggled into the flip-flop on the leading edge of the clock and is passed to the output on the trailing edge of the clock.
Your company has a LAN in its downtown office and has now set up a LAN in the manufacturing plant in the suburbs. To enable everyone to share data and resources between the two LANs, what type of device(s) are needed to connect them? Choose the most correct answer.
Options: a user computer system, a processor in a large-scale computer that executes operating system instructions, a minicomputer that relieves main-frame computers at a computer centre of communications control functions, preliminary processor of batch jobs.
Options: most analysts agree on the structure and organization of MIS., operational planning reports are a primary informational tool for middle management., an MIS focuses on managing information generated with a computer system, the cross reference of data items is an integral feature of the simple structure used in database organization.