Executing calculations in multiple threads on a single-core processor can actually take ________ compared to simply performing them synchronously, due to the overhead of sharing one processor among the app’s threads, all the other apps executing on the computer at the same time and the chores the operating system was performing.

a) less time
b) more time
c) about the same amount of time
d) much less time


b) more time

Computer Science & Information Technology

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Sending an email message is like having an open conversation in public-many people can listen to your messages, especially if they are not _____. ?

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

Computer Science & Information Technology

A GUI allows any mobile device to interface with another device

Indicate whether the statement is true or false

Computer Science & Information Technology

COGNITIVE ASSESSMENT You run a large network in which it is important to keep a duplicate of the central devices in case the primary one fails. What category of network topology does this network use?

A. bus network B. ring network C. star network D. core network

Computer Science & Information Technology

Which of the following is a recommended way of informing users that a form is read-only?

A. Include a note in the form title. B. Have a message box appear any time the form is opened. C. There is no need to inform the user. D. There is never a need to make a form read-only.

Computer Science & Information Technology