Lockstep synchronization does not ________.

a) occur when threads must enter and leave their critical sections in strict alternation
b) improve the efficiency of a process by forcing threads to operate at the same speed
c) force faster threads to operate at the same speed as slower threads
d) occur as a result of using a single variable to govern access to threads’ critical sections

b) improve the efficiency of a process by forcing threads to operate at the same speed

Computer Science & Information Technology

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________ is a utility that rearranges the fragmented files on your disk to improve efficiency

A) Check Disk B) Disk Cleanup C) Error Checking D) Disk defragmenter

Computer Science & Information Technology

Which of the following is TRUE with respect to sharing files on SkyDrive?

A) To use Web Apps to share a document, you must download and install the software. B) Regardless of how a file originated, you can share it only through Web Apps. C) As you share a document, you can indicate whether the recipients can edit the document, or simply view it. D) Files that you share are limited to those created in Microsoft Office or Web Apps.

Computer Science & Information Technology