Which of the following is a reason that an organization with an active Twitter presence might add a Twitter account feed to its website?
A. To keep the site fresh even when the page content itself does not change regularly.
B. To integrate an individual tweet into the page.
C. To display the most recent tweets containing a given hash tag.
D. To display a list of the organization's followers on Twitter.
Answer: A
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Identify a method of data transmission used primarily with local area networks (LANs).
A. ?Packet switching B. ?Circuit switching C. ?Broadcasting D. ?Clocking
A file server uses caching, and achieves a hit rate of 80%. File operations in the server cost 5 ms of CPU time when the server finds the requested block in the cache, and take an additional 15 ms of disk I/O time otherwise. Explaining any assumptions you make, estimate the server’s throughput capacity (average requests/sec) if it is:
i) single-threaded; ii) two-threaded, running on a single processor; iii) two-threaded, running on a two-processor computer.
The accompanying figure displays a basic ____.
A. schedule graphic B. calendar C. Gantt chart D. network diagram
The ____ refers to where you will be able to use a named cell or range in worksheets.
A. range B. location C. scope D. definition