Chapter 5, Problem 3RP

Explain how a DVD manufacturer can advertise that a DVD can hold 4.7 GB, but Explorer reports theDVD capacity as 4,706,074,624 bytes or 4.38 GB.a. Manufacturers are allowed to overadvertise their products.b. The manufacturer measures capacity in decimal and the OS measures capacity in binary.c. The actual capacity is 4.7 GB, but the OS requires overhead to manage the DVD and the overheadis not included in the reported DVD capacity.d. The DVD was formatted to have a capacity of 4.38 GB, but it could have been formatted to have acapacity of 4.7 GB.

From a technological standpoint, how are CD, DVD, and Blu-rays alike?  How are they different? What are the benefits of a SSD over a traditional hard drive? On a traditional hard drive, what is a track, sector and a block? Why do we use a QWERTY keyboard as opposed to a more efficiently designed Dvorak keyboard? What are the advantages/disadvantages of an ink jet vs a laser printer? Place the following in order from smallest to largest: cache, hard drive, RAM, registers. What is a monitor’s resolution? Refresh rate? How does a server differ from a PC? What steps are involved in the computer’s instruction cycle? What is machine language?

Assume that you have joined for a company in Oman which works on computer data storage devices. A customer comes with a requirement and ask you to provide the design requirement as mentioned below A 900 Mbyte CD is used to store PCM voice data. Suppose that a CT voice signal is sampled at 10 samples/s, and each sample is encoded into a 16-bit. How many minutes of the voce signal can be stored (as PCM data) in this CD disk?