FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Punch cards were the first mechanical storage method, using holes punched into thick paper in a pattern that could then be read by a machine. They were originally used for programming mechanical devices like player pianos and textile looms, and for recording census data.

Detailed explanation-2: -Punch cards were the first effort at data storage in a machine language. Punch cards were used to communicate information to equipment “before” computers were developed. The punched holes originally represented a “sequence of instructions” for pieces of equipment, such as textile looms and player pianos.

Detailed explanation-3: -Ancient forms of data storage Notched sticks, knotted animal hair, scribed or incised tablets, carved or incised bones and shells, painted or scraped rocks–all were media for the storage of information. Among the earliest known forms of data storage are the images carved in stone or painted upon the walls of caves.

Detailed explanation-4: -Punch Cards You might not think of a sheet of paper that’s been hole punched to be a form of data storage, but it is. In fact, it’s the first official form of data storage on record because these punch cards could be used to program anything from textile looms to player pianos.

Detailed explanation-5: -The diskette, or floppy disk (named so because they were flexible), was invented by IBM and in common use from the mid-1970s to the late 1990s. The first floppy disks were 8 inches, and later in came 5.25 and 3.5-inch formats. The first floppy disk, introduced in 1971, had a capacity of 79.7 kB, and was read-only.