Chapter 8 Checkpoint Discovering Computers 2016

1. Writing (368)

g. Process of transferring data, instructions, and information from memory to a storage medium.

10. Sequential Access (392)

i. storage technique that reads or writes data consecutively.

9. Network Attached Storage (390)

b. server whose sole purpose is providing storage to users, computers and devices attached to the network.

7. Controller (380)

d. special-purpose chip and electronic circuits that control the transfer of data, instructions and information from a drive to and from the system bus and other components in the computer.

4. On storage media, a higher density means less storage capacity. (374)

False. A higher density means more storage capacity.

2.A storage medium is volatile, that is, items stored on it remain intact even when you turn off a computer or mobile device. (370)

False. RAM is volatile. Storage is nonvolatile

12. An active RFID tag contains a battery that runs on the chip's circuitry and broadcasts a signal to the RFID reader; because they are so small, they can be embedded in skin. (394)

False. RFID tag must be passive not active.

5. Because of current standards, head crashes no longer occur. (375)

False. Can occur if smoke, dust, hairs etc get in between hard disk and platter.

6. The access time of a hard disk can be more than 100 times faster than an SSD. (378)

False. SSDs are 100x faster than hard disks.

11. Mini Discs require a separate mini disk drive, that is, they do not work in standard-sized optical disc drives. (386).

False. They may work in standard sized optical disc drives.

10.When you are finished using a USB flash drive, simply remove it from the USB port.

False. You must eject USB flash drive on computer first and then remove drive.

1.Storage devices can be categorized as input or output devices. (368)

False. they are categorized as storage devices

8. While each program may use a different method of encrypting files, they all use the process of cryptography. (379)

True

9. With serial transfers, data is sent one bit at a time. (380)

True

3. Compared with the access time of memory, the access time of storage devices is slow. (371)

True.

7. While encrypted files offer greater security than unencrypted files, an operating system may require more time to open and access encrypted files. (379)

True.

5. A disc you can read but not write on or erase is a _________. (388)

a. CD-RW b. CD-ROM c. Multisession d. WORM ans: B. CD-ROM

8. A selective backup sometimes is called a(n) ___________. (396)

a. Differential b. Incremental c. Partial d. Archival ans: C. Partial

3. Which of the following is not an advantage of SSDs over hard disks? (378)

a. Faster Transfer Time b. Lighter weight c. More Durable d. Higher Storage Capacity ans: D. Higher Storage Capacity

2. A(n) ________ is a storage device that contains one or more inflexible, circular platters that use magnetic particles to store data, instructions, and information. (373)

a. Hard Disk b. SSD c. USB flash drive d. Optical Disc ans: A. Hard Disk

4. A group of two or more integrated hard drives is called a(n) _______. (380)

a. RAID b. SSD c. HDD d. EIDE ans: A. RAID

6. The process of copying audio and/or video data from a purchased disc and saving it on your own media is called ________. (388)

a. Ripping b. Burning c. Tearing d. Formatting ans: A. Ripping

1. _________________ measures the amount of time it takes a storage device to locate an item on a storage medium and/or the time required to deliver an item from memory to the processor. (371)

a. Rpm(s) b. Transfer Time c. Access Time d. Clock Speed ans: C. Access Time

7. Enterprise storage often uses _______ technology as the interface that connects the devices to the network because it has much faster transmission rates than SCSI. (390)

a. SAS b. Serial Transfer c. Fibre Channel (FC) d. SATA ans: C. Fibre Channel (FC)

5. Longitudinal Recording (374)

a. Storage method in which the magnetic particles are aligned horizontally around a disk's surface.

3. Capacity (370)

c. the number of bytes a storage medium can hold.

6. Solid-State Media (376).

e. flash memory chip type that consists entirely of electronic components, such as integrated circuits and contains no moving parts.

8. Thumb Drive (382)

f. flash memory storage that plugs in a USB port on a computer or mobile device

4. Perpendicular Recording (374)

h. storage method in which the magnetic particles are aligned vertically to a disk's surface, making much greater storage capacities possible.

2. Reading (368)

j. process of transferring data, instructions, and information from a storage medium into memory.