Let's Test Your Knowledge With Some Magnetic Storage
10 Questions
| Total Attempts: 39
Objective questions regarding the issue
Questions and Answers
- 1.True or false: the physical components of a magnetic disk are aluminum-based sector and cylinder head.
- A.
True
- B.
False
- 2.True or false: The surface of a magnetic disc is organized by the quadratic tracks are concentric wire combination
- A.
True
- B.
False
- 3.True or false: Formatting is burning (writing) magnetically successive sectors that make up each of the tracks on a disk or diskette, thus leaving them magnetized.
- A.
True
- B.
False
- 4.True or false: Recording is achieved as a audio recorder by the action of a magnetic field of reversible polarity (NS or SN), which magnetizes the track that field acting on it.
- A.
True
- B.
False
- 5.Which company developed the CD - ROM?
- A.
Time warner
- B.
Ned
- C.
Sony y Phillips
- 6.The DVD stands for:
- A.
Digital Versatile Disc
- B.
Definition Video Disk
- C.
All false
- 7.In handling errors in a DVD ...
- A.
Even parity is used
- B.
Bits PI (Parity Inner) and are used PO (Parity Outter)
- C.
There must always be the same number of bits to bit-PO PI.
- 8.The HD-DVD ...
- A.
It was developed, among other companies, Philips
- B.
I could read in a PS3 and an XBOX 360.
- C.
He lost the battle against Blu-Ray.
- 9.The capacity of a DVD with respect to a CD ...
- A.
It is enhanced by a larger disk.
- B.
It is enhanced by use of a greater portion of the disk.
- C.
It is enhanced by a higher density of data.
- 10.What is the capacity of a Blu-Ray?
- A.
About 50 GB double layer.
- B.
25 GB if it is a single layer.
- C.
The same as a DVD ..
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