Compare graphical user interfaces (GUIs) with command line interfaces.
What will be an ideal response?
A user interface is the manner in which an operating system interacts with its users. Most operating systems today use a graphical user interface (GUI). The older DOS operating system and some versions of the UNIX and Linux operating systems use a command line interface, although graphical versions of UNIX and Linux are available. Command line interfaces require users to input commands using the keyboard; graphical user interfaces allow the user to issue commands by selecting icons, buttons, menu items, and other graphical objects-typically with a mouse, pen, or finger.
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A server is installed in a location that is prone to power failures. While the server is connected to a UPS, the systems administrator is still concerned about ensuring the integrity of the data being written to the RAID array. Which of the following is the systems administrator MOST likely to do?
A. Install additional memory on the RAID controller. B. Install redundant RAID controllers. C. Install battery-backed cache on the RAID controller. D. Install updated firmware on the RAID controller.
The selection exchange sort:
a. Finds the smallest value and exchanges it with the first value, then continues with the second value, third value, etc. b. Is a system of comparisons and exchanges of adjacent elements to move the largest to the bottom of the selected group of values. c. Is a system of comparisons and exchanges of elements that are non-adjacent. The gap is halved at each pass. d. None of the above.