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1. A standard monitor is the only output device that presents results to the use

ID: 657545 • Letter: 1

Question

1. A standard monitor is the only output device that presents results to the user. True/False

Multiple Choices Static

2. ____________ follows closely behind the CPU and memory in determining the overall effectiveness of a computer system.

A. Drive I/O             B. Disk I/O                   C. I/O         D. none of the above

3. The signals exchanged between a sender and a receiver is called a ______________

A. protocol           B. prototype                C. message          D. rule

4. The simplest way for a CPU to communicate with an I/O device is through polled I/O. True/False

Multiple Choices Static

5. The large computer systems use an intelligent type of DMA interface known as ______________

A. I/O channel           B. memory-mapped I/O      C. interrupt-driven I/O    D. memory I/O

6.   CCW means

A. channel command words                                                 B. channel connections words

C. channel command works                                                 D. change command words

7. Channel I/O is a type of non-isolated I/O because the systems are equipped with separate I/O buses.True/False

Multiple Choices Static

8. Buses having memory on its own do memory transfer _________________

A. asynchronously     B. synchronously      C. parallelly                D. randomly

True/False

9. Two types of transmission modes are serial and parallel transmission modes.

10. Serial transfer methods can be used for time-sensitive isochronous data transfers.

Multiple Choices Static

11. ______________are divisions of concentric circles called tracks in disk drives.

A. Sectors                               B. Segments               C. Paths                      D. Symmetry

True/False

12. Cylinders describe circular areas on each disk in Rigid Disk Drives.

Multiple Choices Static

13. If a read/write head in Rigid Disk Drives were to touch the surface of the disk, the disk would become unusable. This condition is known as a ___________________

A. head crash             B. head corrupt                     C. head clean             D. head burn

14. COLD means

A. computer output laser disc                                  B. computer output laser direct

C. computer organization laser disc                        D. compact output laser disc

15. Lineal spaces between the pits in a CD-ROM are called ____________

A. tracks                     B. segments                C. lands                      D. circles

True/False

16. Rewritable optical media replace the dye and reflective coating layers of a CD-R disk with a non-metallic alloy.

17. The storage systems that are not protected by RAID are known as just a bunch of disks (JBOD).

18. RAID Level 1, or RAID-1, is also known as disk mirroring.

19. A hologram is a three-dimensional image rendered by the manipulation of laser beams.

20. Memristor memories are a type of volatile RAM

Explanation / Answer

1) False. There are several other output devices like printer etc.

2) A) Drive I/O

3) A) protocol

4) True

5) A) I/O channel

6) A) channel command words

7) False

8) B) synchronously

9) True

10) True

11) A) Sectors

12) True

13) A) head crash

14) A) computer output laser disc

15) C) lands

16) False

17) False

18) True

19) True

20) False