Test: SCSI BUS - Input-Output Organization | 20 Questions MCQ Test Computer Architecture & Organisation (CAO) Computer Science Engineering (CSE)

QUESTION: 1

The key features of the SCSI BUS is

A.
The cost effective connective media
B.
The ability overlap data transfer requests
C.
The highly effecient data transmission
D.
None of the mentioned

Solution:

Answer: b
Explanation: The SCSI BUS can overlap various data transfer requests by the devices.

QUESTION: 2

In a data transfer operatioon involving SCSI BUS, the control is with ______

A.
Initiator
B.
Target
C.
SCSI controller
D.
Target Controller

Solution:

Answer: d
Explanation: The initiator involves in arbitration process and after winning the BUS it’ll handover the control to the target controller.

QUESTION: 3

In SCSI transfers the processor is not aware of the data being transfered.

A.
True
B.
False

Solution:

Answer: a
Explanation: The processor or the controller is unaware of the data being transfered.

QUESTION: 4

The DB(P) line means,

A.
That the data line is carrying the device information
B.
That the data line is carrying the parity information
C.
That the data line is partly closed
D.
That the data line is temporarily occupied

Solution:

QUESTION: 5

The BSY signal signifies

A.
The BUs is busy
B.
The controller is busy
C.
The Initiator is busy
D.
The Target is Busy

Solution:

Answer: a
Explanation: This signal is generally initiated when the BUS is currently occupied in an operation.

QUESTION: 6

The SEL signal signifies

A.
The initiator is selected
B.
The device for BUS control is selected
C.
That the target is being selected
D.
None of the mentioned

Solution:

Answer: b
Explanation: This signal is usually asserted during the selection or reselection process.

QUESTION: 7

________ signal is asserted when the initiator wishes to send a message to the target.

A.
MSG
B.
APP
C.
SMS
D.
ATN

Solution:

Answer: d
Explanation: The ATN signal is short for attention, which is used to initimate the target that the initiator sent a message to it.

QUESTION: 8

The MSG signal is used

A.
To send a message to the target
B.
To recieve a message from the mailbox
C.
To tell that the information being sent is a message
D.
None of the mentioned

Solution:

QUESTION: 9

_____ is used to reset all the device controls to their startup state.

A.
SRT
B.
RST
C.
ATN
D.
None of the mentioned

Solution:

QUESTION: 10

The SCSI BUS uses ______ arbitration.

A.
Distributed
B.
Centralised
C.
Daisy chain
D.
Hybrid

Solution:

Answer: a
Explanation: The SCSI uses distributed arbitration to select the device to give the BUS control.

QUESTION: 11

SCSI stands for ________

A.
Small Computer System Interface
B.
Switch Computer system Interface
C.
Small Component System Interface
D.
None of the mentioned

Solution:

Answer: a
Explanation: The SCSI BUS is one of the expansion BUSes used in a system.

QUESTION: 12

ANSI stands for _________

A.
American National System Interface
B.
ASCII National Standard Interface
C.
American Network System Interface
D.
American National Standard Institute

Solution:

Answer: d
Explanation: This a standard for designing BUSes and other system components.

QUESTION: 13

A narrow SCSI BUS has _____ data lines.

A.
6
B.
8
C.
16
D.
4

Solution:

Answer: b
Explanation: The SCSI BUS which is narrow is capable of transfering 8 bits of data at a time.

QUESTION: 14

Single ended transmission means

A.
That all the signals have a similar bit pattern
B.
That the signals have a common source
C.
That the signals have a common ground return
D.
That the signals have a similar voltage signature

Solution:

Answer: c
Explanation: These type of signals are a common feature of the SCSI BUS.

QUESTION: 15

HVD stands for _________

A.
High Voltage Differential
B.
High Voltage Density
C.
High Video Definition
D.
None of the mentioned

Solution:

Answer: a
Explanation: This is a type of signaling which uses 5v of current.

QUESTION: 16

For better transfer rates on the SCSI BUS the length of the cable is limited to ______

A.
2m
B.
4m
C.
1.3m
D.
1.6m

Solution:

Answer: d
Explanation: To increase the transmission rate in SCSI in SE mode of transfer the wire length is restricted to 1.6m.

QUESTION: 17

The maximum number of devices that can be connected to SCSI BUS is ______

A.
12
B.
10
C.
16
D.
8

Solution:

QUESTION: 18

THe SCSI BUS is connected to the processor through _____

A.
SCSI Controller
B.
Bridge
C.
Switch
D.
None of the mentioned

Solution:

Answer: a
Explanation: This is used to co-ordinate and monitor the data transfer over the BUS.

QUESTION: 19

The mode of data transfer used by the controller is _____

A.
Interrupt
B.
DMA
C.
Asynchronous
D.
Synchronous

Solution:

QUESTION: 20

The data is stored on the disk in the form of blocks called _____

A.
Pages
B.
Frames
C.
Sectors
D.
Tables

Solution:

Answer: c
Explanation: The data is stored on the disk in the form of a collection of blocks called as sectors.

Test: SCSI BUS - Input-Output Organization

20 Questions MCQ Test Computer Architecture & Organisation (CAO) | Test: SCSI BUS - Input-Output Organization

The key features of the SCSI BUS is

In a data transfer operatioon involving SCSI BUS, the control is with ______

In SCSI transfers the processor is not aware of the data being transfered.

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