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Q. Keyboard devices are typically classified as _________________ keyboards and specialpurpose keyboards.

Q. The time required to locate and retrieve the data from the storage unit is

Q. _______________ contact scanners make contact as they are brushed over the printed matter to be read.

Q. _________ is software to compress a file.

Q. This language was developed by Dennis Ritchie of Bell Laboratories in order to implement the operating system UNIX.

Q. Which of the following is not an example of search engine?

Q. The average seek time in most systems is

Q. The data recording density is measured in

Q. A CD is ________ in diameter and made up of polycarbonate plastic disk.

Q. The role of semiconductor layer is to add polysilicon layer whose electron mobility is_____________times higher than that of an amorphous silicon layer.