Exam 7: Storage

Flash memory cards are a type of ____________________ media, which means they consist entirely of electronic components and contain no moving parts.

An allocation unit is the smallest unit of disk space that stores data and information.

COGNITIVE ASSESSMENT Before any data can be read from or written on a hard disk, what must happen to the disk?

Which of the following is not a characteristic of a hard disk?

COGNITIVE ASSESSMENT On desktop computers, platters most often have a size of approximately 3.5 inches in diameter. What is the size also referred to as?

On an optical disc, a land causes light to reflect, which is read as binary digit 0.

Some optical discs are double-sided.

Which of the following consists of a special-purpose chip and electronic circuits that control the transfer of data, instructions, and information from a disk to and from the system bus and other components in the computer?

The greater the disk cache, the slower the hard disk.

Some computers improve hard disk access time by using which of the following, which consists of memory chips that store frequently accessed items?

Most optical disc drives can read a Picture CD.

COGNITIVE ASSESSMENT Windows includes tools that can be used to improve the performance of your hard disk. What is the tool called that reorganizes the data on a hard disk so that it can be accessed more quickly?

Experts estimate that hard disks using perpendicular recording will provide storage capacities about how many times greater than disks that use longitudinal recording?

Which of the following kinds of cards, which is similar in size to a credit card or ATM card, stores data on a thin microprocessor embedded in the card?

COGNITIVE ASSESSMENT Items on a storage medium remain intact even when power is removed from the computer. What term describes this characteristic?

Memory (chips) accesses items in which of the following units of time?

Depending on the device, manufacturers claim memory cards can last from 10 to 100 years.

With respect to a storage medium, the term ____________________ means users can remove the medium from one computer and carry it to another computer.

Many cloud storage providers offer which of the following?

As with a hard disk, the single track on an optical disc is divided into variably sized sectors on which items are stored.