You have just been hired as the computer administrator for a brand-new startup company and your first task is to select the desktop operating system that you will suggest to the head of the IT team as the one you recommend for the office.
?
You have been asked to select a desktop operating system that will work best for power users in terms of its flexibility and its capabilities. What is the best choice given these circumstances?
a. Windows 8c. UNIXb. Mac OS Xd. Chrome
What will be an ideal response?
Answer: C
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“The Keyboard and Screen as Standard Input and Standard Output” on page 136 of Sobell explains how to use the cat utility to read from standard input (defaults to the keyboard) and write to standard output (defaults to the screen). Use cat as shown in Figure 5-5 on page 135 of Sobell to copy standard input to standard output. Press CONTROL-D on a line by itself to ter- minate cat.
What will be an ideal response?
Which is incorrect about reality, data, and metadata?
A) Within the realm of reality, there are entities and attributes. B) There are record occurrences within the realm of actual data. C) Within the realm of metadata, there are record definitions and data item definitions. D) There are data item occurrences within the realm of files.
Define each of the following terms:
a) Collection b) Collections c) Comparator d) List e) load factor f) collision g) space/time trade-off in hashing h) HashMap
Which of the following offer peer-to-peer payment services?
(a) eCash and PayPal. (b) eCash and Tradesafe. (c) PayPal and Tradesafe. (d) eCash, PayPal and Tradesafe.