IT &computer MCQ section 7 MCQ Questions & Answers Detailed Explanation

Answer: (d)

Mark Elliot Zuckerburg is an American computer programmer and internet entrepreneur. He is best known as one of five co-founders of the social networking website Facebook.

Answer: (b)

The memory buffer used to accommodate a speed differential is called cache. It is a hardware or software component that stores data so future requests for that data can be served faster. Cache serves to add fast memory between the CPU and main memory.

Answer: (d)

By default on most operating systems, for a person to execute a certain software function, he or she will have to click on the left button twice in quick succession. this is known as double-clicking. An example of this can be a person clicking on an icon.

Answer: (a)

The question has more than one option correct: secondary storage is also known as auxiliary storage or external storage. USB (memory stick) Flash Drive is a secondary data storage device that includes flash memory with an integrated USB interface.

USB flash drives are typically removable and rewritable, and physically much smaller than an optical disc. They are often used for the same purposes, for which floppy disks or CDs were used, i.e., for storage, data back-up and transfer of computer files.