?When studying an information system, illustrations of actual documents should be collected using a process called _____.

A. ?stratification
B. ?randomization
C. ?indexing
D. ?sampling


Answer: D

Computer Science & Information Technology

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Answer the following statements true (T) or false (F)

1) Examples of human readable external I/O devices are printers, terminals, and keyboards. 2) The use to which a device is put does not have an influence on the software and polices in the operating system and supporting utilities. 3) Direct memory access is the dominant form of transfer that must be supported by the operating system. 4) The hierarchical philosophy is that the functions of the operating system should be separated according to their complexity, their characteristic time scale, and their level of abstraction. 5) The actual queuing and scheduling of I/O operations occurs at the logical I/O module.

Computer Science & Information Technology

A(n) ____ is a unique set of letters and numbers used to activate a product.

A. source code B. graphical user interface C. registration key D. command-line user interface

Computer Science & Information Technology

If cell B7 includes the formula =B5 + B6, and the fill handle is used to copy the formula to cell C7, what is the underlying formula in cell C7?

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

What are the issues involved in implementing an add or a remove method for a binary tree?

What will be an ideal response?

Computer Science & Information Technology