# Test: Secondary Storage 1 & 2

## 20 Questions MCQ Test Computer Architecture & Organisation (CAO) | Test: Secondary Storage 1 & 2

Description
Attempt Test: Secondary Storage 1 & 2 | 20 questions in 20 minutes | Mock test for Computer Science Engineering (CSE) preparation | Free important questions MCQ to study Computer Architecture & Organisation (CAO) for Computer Science Engineering (CSE) Exam | Download free PDF with solutions
QUESTION: 1

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

Solution:

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.

QUESTION: 2

### The digital information is stored on the hard disk by ____________

Solution:

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

QUESTION: 3

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

Solution:

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

QUESTION: 4

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

Solution:

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

QUESTION: 5

The drawback of Manchester encoding is _________

Solution:

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

QUESTION: 6

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

Solution:

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

QUESTION: 7

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

Solution:

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

QUESTION: 8

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

Solution:

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

QUESTION: 9

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

Solution:

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

QUESTION: 10

A hard disk with 20 surfaces will have _____ heads.

Solution:

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

QUESTION: 11

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

Solution:
QUESTION: 12

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

Solution:

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

QUESTION: 13

The data can be accessed from the disk using _________

Solution:
QUESTION: 14

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

Solution:

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

QUESTION: 15

To distinguish between two sectors we make use of ________

Solution:

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

QUESTION: 16

The _____ process divides the disk into sectors and tracks.

Solution:

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

QUESTION: 17

The access time is composed of __________

Solution:

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

QUESTION: 18

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

Solution:
QUESTION: 19

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

Solution:

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

QUESTION: 20

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

Solution: