Computer Organization Interview Questions and Answers for Experienced people on “Secondary Storage”.
1. The disk system consists of which of the following?
i. Disk
ii. Disk drive
iii. Disk controller
a) i and ii
b) i, ii and iii
c) ii and iii
d) i
Answer: b
Clarification: None.
2. The set of corresponding tracks on all surfaces of a stack of disks form a ______
a) Cluster
b) Cylinder
c) Group
d) Set
Answer: b
Clarification: The data is stored in these sections called as cylinders.
3. The data can be accessed from the disk using _________
a) Surface number
b) Sector number
c) Track number
d) All of the mentioned
Answer: d
Clarification: None.
4. The read and write operations usually start at ______ of the sector.
a) Center
b) Middle
c) From the last used point
d) Boundaries
Answer: d
Clarification: The heads read and write data from the ends to the center.
5. To distinguish between two sectors we make use of ________
a) Inter sector gap
b) Splitting bit
c) Numbering bit
d) None of the mentioned
Answer: a
Clarification: This means that we leave a little gap between each sector to differentiate between them.
6. The _____ process divides the disk into sectors and tracks.
a) Creation
b) Initiation
c) Formatting
d) Modification
Answer: c
Clarification: The formatting process deletes the data present and does the creation of sectors and tracks.
7. The access time is composed of __________
a) Seek time
b) Rotational delay
c) Latency
d) Both Seek time and Rotational delay
Answer: d
Clarification: The seek time refers to the time required to move the head to the required disk.
8. The disk drive is connected to the system by using the _____
a) PCI bus
b) SCSI bus
c) HDMI
d) ISA
Answer: b
Clarification: None.
9. _______ is used to deal with the difference in the transfer rates between the drive and the bus.
a) Data repeaters
b) Enhancers
c) Data buffers
d) None of the mentioned
Answer: c
Clarification: The buffers are added to store the data from the fast device and to send it to the slower device at its rate.
10. _______ is used to detect and correct the errors that may occur during data transfers.
a) ECC
b) CRC
c) Checksum
d) None of the mentioned
Answer: a
Clarification: ECC stands for Error Correcting Code.