Hello! Amar, clrscr() is a function in C language. The expansion of clrscr is "Clear the screen". This function is used to clear the information that is already displayed on the monitor screen. Hope this information is useful to you. Bye.

Storage Device is a device to store our data or to transfer our data from one place to another. Normally, the first storage device is Magnetic Tape. Then it undergoes to many conventional changes, we get Magnetic Drum, Floppy Disk (2 types), Hard Disk, Compact disk (popularly known as CD) and Digital Versatile Disk (DVD, … Read more

Don't get confuse of these. If you know the abbreviations of them, then it is very ease to understand. E.g.  --->  For Example  I.e.,  --->  That is                           E.g. Is used when you are giving examples.             I.e., … Read more

When you have more choices to choose, then use 'What'. If you have limited or specified choices, then use 'Which'.