Which one of the following statements most accurately applies to the frequency of a waveform?
Options: The actual frequency of a sine waveform is 1.41 times the working frequency, Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz, The higher the amplitude of a waveform, the higher its frequency, The longer the period of a waveform, the lower its frequency
Options: nodes represent the conditions, with the right side of tree listing the actions to be taken, the root is drawn on the left and is the starting point on the decision sequence., the branch depends on the condition and decisions to made, All of the above
The difference between linear array and a record is
Options: a. An array is suitable for homogeneous data but hte data items in a record may have different data type
b. In a record, there may not be a natural ordering in opposed to linear array.
c. A record form a hierarchical structure but a lienear array does not
d. All of above
Options: one or more conductors that some as a common connection for a related group of devices, a continuous frequency capable of being modulated or impressed with a second signal, the condition when two or more stations attempt to use the same channel at the same time, a collection of interconnected functional units that provides a data communications service among stations attached to the network
What is the main difference between a mainframe and a super computer?
Options: A) Super computer is much larger than mainframe computers
B) Super computers are much smaller than mainframe computers
C) Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently
D) Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible.
Options: Subset of a Cartesian product of a list of attributes
B. Subset of a Cartesian product of a list of domains
C. Subset of a Cartesian product of a list of tuple
D. Subset of a Cartesian product of a list of relations
Ans:– B ,
Codes which do not require to be frequently updated also promote user efficiency due to