What should be done before a motherboard is removed from a case?

What will be an ideal response?


Some processors have heavy cooling assemblies installed on top of them. For these systems, it is best to remove the cooler before you take the motherboard out of the case because the motherboard is not designed to support this heavy cooler when the motherboard is not securely seated in the case.

Computer Science & Information Technology

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MC There is a________relationship between a primary key and its corresponding foreign key.

a) many-to-many. b) one-to-one. c) one-to-many. d) None of the above.

Computer Science & Information Technology

Answer the following questions for the certification report shown here.


a. What is the length of pair 7–8?
b. What is the propagation delay of pair 4–5?
c. Why did this cable fail the test?

Computer Science & Information Technology

Asynchronous I/O available to Windows XP threads can be managed by ________.

a) issuing the I/O request, performing some other processing and waiting on an event object to signal the completion of the I/O b) performing alertable I/O, in which case a thread issues the I/O request, performs some other processing and then enters an alertable wait state to process an APC associated with the I/O completion c) using an I/O completion port, enabling another thread that registered with the port and that is waiting for I/O completion packets to process them d) all of the above.

Computer Science & Information Technology

Office ________ can be opened by pressing F1

Fill in the blank(s) with correct word

Computer Science & Information Technology