A system design is said to be functionally modular if
Options: the system is able to handle all the function of the application, each module performs a specific function and can be developed relatively independently by programmers, the system makes extensive use of function. keys for maximum user assistance, the system is developed using structured programming through COBOL or PASCAL
After coding a document into a digital signal, it can be sent by telephone, telex or satellite to the receiver where the signal is decoded and an exact copy of the original document is made. What is it called?
Options: Telex, Word processor, Facsimile, Electronic mail
Options: each succeeding phase is more detailed than the phase before it, each succeeding phase is as detailed as the phase before it., each succeeding phase is less detailed than the phase before it, aLL of the above
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
Options: A) Mechanical analog computers have existed for thousands of years
B) There are mechanical analog computers and electronic analog computers.
C) All electronic computers are digital computers
D) All of above are false
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.