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Test: Secondary Storage 1 & 2 - Computer Science Engineering (CSE) MCQ


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20 Questions MCQ Test - Test: Secondary Storage 1 & 2

Test: Secondary Storage 1 & 2 for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Test: Secondary Storage 1 & 2 questions and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus.The Test: Secondary Storage 1 & 2 MCQs are made for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Secondary Storage 1 & 2 below.
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Test: Secondary Storage 1 & 2 - Question 1

The main reason for the discontinuation of semi conductor based storage devices for providing large storage space is _________

Detailed Solution for Test: Secondary Storage 1 & 2 - Question 1

Answer: b
Explanation: In case of semi conductor based memory technology, we get speed but the increase in the integration of various devices the cost is high.

Test: Secondary Storage 1 & 2 - Question 2

The digital information is stored on the hard disk by ____________

Detailed Solution for Test: Secondary Storage 1 & 2 - Question 2

Answer: a
Explanation: The digital data is sorted on the magnetized discs by magnetizing the areas.

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Test: Secondary Storage 1 & 2 - Question 3

For the synchronization of the read head, we make use of a _______

Detailed Solution for Test: Secondary Storage 1 & 2 - Question 3

Answer: c
Explanation: The clock makes it easy to distinguish between different values red by head.

Test: Secondary Storage 1 & 2 - Question 4

On of the most widely used schemes of encoding used is _________

Detailed Solution for Test: Secondary Storage 1 & 2 - Question 4

Answer: c
Explanation: The Manchester encoding used is also called as phase encoding and it is used to encode both clock and data.

Test: Secondary Storage 1 & 2 - Question 5

The drawback of Manchester encoding is _________

Detailed Solution for Test: Secondary Storage 1 & 2 - Question 5

Answer: d
Explanation: The space required to represent each bit must be large enough to accommodate two changes in magnetization.

Test: Secondary Storage 1 & 2 - Question 6

The read/write heads must be near to disk surfaces for better storage. 

Detailed Solution for Test: Secondary Storage 1 & 2 - Question 6

Answer: a
Explanation: By maintaining the heads near to the surface greater bit densities can be achieved.

Test: Secondary Storage 1 & 2 - Question 7

_____ pushes the heads away from the surface as they rotate at their standard rates.

Detailed Solution for Test: Secondary Storage 1 & 2 - Question 7

Answer: c
Explanation: Due to the speed of rotation of the discs air pressure develops in the hard disk.

Test: Secondary Storage 1 & 2 - Question 8

The air pressure can be countered by putting ______ in the head-disc surface arrangement.

Detailed Solution for Test: Secondary Storage 1 & 2 - Question 8

Answer: b
Explanation: The spring mechanism pushes the head along the surface to reduce the air pressure effect.

Test: Secondary Storage 1 & 2 - Question 9

The method of placing the heads and the discs in an air tight environment is called as ______

Detailed Solution for Test: Secondary Storage 1 & 2 - Question 9

Answer: c
Explanation: The Disks and the heads operate faster due to the absence of the dust particles.

Test: Secondary Storage 1 & 2 - Question 10

A hard disk with 20 surfaces will have _____ heads.

Detailed Solution for Test: Secondary Storage 1 & 2 - Question 10

Answer: d
Explanation: Each surface will have its own head to perform read/write operation

Test: Secondary Storage 1 & 2 - Question 11

The disk system consists of which of the following:
i. Disk
ii. Disk drive
iii. Disk controller

Test: Secondary Storage 1 & 2 - Question 12

The set of corresponding tracks on all surfaces of a stack of disks form a ______

Detailed Solution for Test: Secondary Storage 1 & 2 - Question 12

Answer: b
Explanation: The data is stored in the these sections called as cylinders.

Test: Secondary Storage 1 & 2 - Question 13

The data can be accessed from the disk using _________

Test: Secondary Storage 1 & 2 - Question 14

The read and write operations usually start at ______ of the sector.

Detailed Solution for Test: Secondary Storage 1 & 2 - Question 14

Answer: d
Explanation: The heads read and write data from the ends to the center.

Test: Secondary Storage 1 & 2 - Question 15

To distinguish between two sectors we make use of ________

Detailed Solution for Test: Secondary Storage 1 & 2 - Question 15

Answer: a
Explanation: This means that we leave a little gap between each sectors to differentiate between them.

Test: Secondary Storage 1 & 2 - Question 16

The _____ process divides the disk into sectors and tracks.

Detailed Solution for Test: Secondary Storage 1 & 2 - Question 16

Answer: c
Explanation: The formatting process deletes the data present and does the creation of sectors and tracks.

Test: Secondary Storage 1 & 2 - Question 17

The access time is composed of __________

Detailed Solution for Test: Secondary Storage 1 & 2 - Question 17

Answer: d
Explanation: The seek time refers to the time required to move the head to the required disk.

Test: Secondary Storage 1 & 2 - Question 18

 The disk drive is connected to the system by using the _____

Test: Secondary Storage 1 & 2 - Question 19

_______ is used to deal with the difference in the transfer rates between the drive and the bus.

Detailed Solution for Test: Secondary Storage 1 & 2 - Question 19

Answer: c
Explanation: The buffers are added to store the data from the fast device and to send it to the slower device at its rate.

Test: Secondary Storage 1 & 2 - Question 20

_______ is used to detect and correct the errors that may occur during data transfers.

Detailed Solution for Test: Secondary Storage 1 & 2 - Question 20

Answer: a
Explanation: ECC stands for Error Correcting Code.

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