سوال ۱۸ کنکور ارشد علوم کامپیوتر ۱۴۰۱

PASSAGE 1 (fourth paragraph)

Tape drives record information lengthwise in channels or tracks, with one bit per track. Newer models use nine tracks rather than seven as the older models did. In order to store information on a tape, a tape drive is equipped with a set of recording heads, one head per track. One tape drive is distinguished from another by the transfer rate or transfer speed; in other words, by the number of bytes per second a tape capable of transferring from the tape to memory or vice versa. This speed is usually measured by inches per second, or IPS. So, if a tape drive has a transfer speed of 200 IPS, reading from a 6250 BPI density tape is like reading about 15,000 cards in one second!

18- Select the best choice for the meaning of the underlined word "distinguished" in the fourth paragraph.