a credit card [wrong]
Apex :)
SHE IS WRONG, its a credit card AND an access card you scan for entry into a builing.
Compact disk do
No, the floppy disk was really square and floppy. It was the original storage for the earliest PCs. Later there was a "floppy disk" that was smaller and hard. After that the round and hard CD.
CD = compact disk. As opposed to large floppy disks. A disk because it's round. Compact because it'll hold so much more data than a floppy.
The digital compact disc, now commonplace in stereos and computers, was invented in the late 1960s by James T. Russell. The first floppy was made by IBM around 1970 (this was an 8" floppy). The 5 1/4" floppy was introduced in 1976 and Sony pioneered the 3 1/2 floppy with a hard shell in 1981. It is True cause ibm OWNES Actually, it was Invented by Yoshiro Nakamatsu in the 1970's but he licensed the patents to Sony so gets no credit for inventing the basic technology.
The following device are used to store data permanently.These are Hard Disk Drive(HDD),Compact Disc(CD/DVD),Floppy Disk,Zip and Tape.
NO we have these new things called cd's aka compact disks
Although they're not used any more - that would be a floppy-disc
A floppy drive does not in itself affect computer speed. Some poorly designed operating systems may temporarily stop responding when a floppy disk is being written to, but these systems are rare nowadays.
floppy disc
Sensors..
The difference between a drive and disk is that a drive is used to read a disk whether it be a floppy disk or a compact disk.
The last generation of floppy disks were 3.5 inches in diameter. They were capable of holding 1.44 megabytes of data. By comparison, a Compact Disk holds about 650 megabytes.