A. defragging your hard drive
A small hard drive typically has only one platter, but each side of it has a magnetic coating. Bigger drives have a series of platters stacked on a central spindle, with a small gap in between them. The platters rotate at up to 10,000 revolutions per minute so the read-write heads can access any part of them.
Answer:
UPDATE acctmanager WHERE amid = 'J500';
Explanation:
The statement written above is not valid SQL statement because there is no SET after UPDATE. Update is always used with SET.If you are updating something then you need to specify the value with which that value should be replaced.
UPDATE acctmanager SET amname = UPPER(amname);
This statement does not contains WHERE clause but it will run all the values of amname column will get updated in the table acctmanager.
Answer:
The answer is D and E
Explanation:
There is no much difference between a port replicator and a docking station. These two terms are used interchangeably and both serve the same purpose of connecting portable computers with other devices with little or no effort. The main difference between the two is that a port replicator provides a solution for all laptops through USB while a docking uses a propriety connector to the computer. Users can use a docking station and a port replicator to convert their laptop PCs into desktop computers when at home or in the office.
