Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

The minimum time delay between two successive memory read operations is _

A. Cycle time
B. Latency
C. Delay
D. None of the mentioned
Answer» B. Latency
2.

MFC is used to ____

A. Issue a read signal
B. Signal to the device that the memory read operation is complete
C. Signal the processor the memory operation is complete
D. Assign a device to perform the read operation
Answer» D. Assign a device to perform the read operation
3.

The duration between the read and the mfc signal is __

A. Access time
B. Latency
C. Delay
D. Cycle time
Answer» B. Latency
4.

The power specification of usb is __

A. 5v
B. 10v
C. 24v
D. 10v
Answer» B. 10v
5.

The _____ signal is used to indiacate the beginning of a new frame.

A. Start
B. SOF
C. BEG
D. None of the mentioned
Answer» C. BEG
6.

The transmission over the USB is divided into _

A. Frames
B. Pages
C. Packets
D. Tokens
Answer» B. Pages
7.

The SOF is transmitted every __

A. 1s
B. 5s
C. 1ms
D. 1Us
Answer» D. 1Us
8.

The most important objective of the USB is to provide ___

A. Isochronous transmission
B. Plug and play
C. Easy device connection
D. All of the mentioned
Answer» E.
9.

The data packets can contain data upto __

A. 512 bytes
B. 256 bytes
C. 1024 bytes
D. 2 KB
Answer» D. 2 KB
10.

The CRC bits are computed based on the values of the _

A. PID
B. ADDR
C. ENDP
D. Both ADDR and ENDP
Answer» E.
11.

The first feild of any packet is __

A. PID
B. ADDR
C. ENDP
D. CRC16
Answer» B. ADDR
12.

The last field in the packet is _

A. PID
B. ADDR
C. ENDP
D. CRC
Answer» E.
13.

The type/s of packets sent by the USB is/are _____

A. Data
B. Address
C. Control
D. Both Data and Control
Answer» E.
14.

The initial address of a device just connected to the HUB is __

A. AHFG890
B. 0000000
C. FFFFFFF
D. 0101010
Answer» C. FFFFFFF
15.

Locations in the device to or from which data transfers can take place is called __

A. End points
B. Hosts
C. Source
D. None of the mentioned
Answer» B. Hosts
16.

The devices connected to USB is assigned an ____ adrress.

A. 9 bit
B. 16 bit
C. 4 bit
D. 7 bit
Answer» E.
17.

When the USB is connected to a system, its root hub is connected to the ____

A. PCI BUS
B. SCSI BUS
C. Processor BUS
D. IDE
Answer» D. IDE
18.

The device can send a message to the host by taking part in _____ for the communication path.

A. Arbitration
B. Polling
C. Prioritising
D. None of the mentioned
Answer» C. Prioritising
19.

The transfer rate, when the USB is operating in low-speed of operation is _

A. 5 Mb/s
B. 12 Mb/s
C. 2.5 Mb/s
D. 1.5 Mb/s
Answer» E.
20.

THe high speed mode of operation of the USB was introduced by ___

A. ISA
B. USB 3.0
C. USB 2.0
D. ANSI
Answer» D. ANSI
21.

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

A. Pages
B. Frames
C. Sectors
D. Tables
Answer» D. Tables
22.

THe SCSI BUS is connected to the processor through __

A. SCSI Controller
B. Bridge
C. Switch
D. None of the mentioned
Answer» B. Bridge
23.

The mode of data transfer used by the controller is _

A. Interrupt
B. DMA
C. Asynchronous
D. Synchronous
Answer» C. Asynchronous
24.

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

A. 12
B. 10
C. 16
D. 8
Answer» D. 8
25.

HVD stands for _____

A. High Voltage Differential
B. High Voltage Density
C. High Video Definition
D. None of the mentioned
Answer» B. High Voltage Density
26.

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
Answer» E.
27.

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
Answer» D. That the signals have a similar voltage signature
28.

ANSI stands for ______

A. American National System Interface
B. ASCII National Standard Interface
C. American Network System Interface
D. American National Standard Institute
Answer» E.
29.

SCSI stands for ___

A. Small Computer System Interface
B. Switch Computer system Interface
C. Small Component System Interface
D. None of the mentioned
Answer» B. Switch Computer system Interface
30.

The SCSI BUS uses ______ arbitration.

A. Distributed
B. Centralised
C. Daisy chain
D. Hybrid
Answer» B. Centralised
31.

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

A. SRT
B. SRT
C. ATN
D. None of the mentioned
Answer» C. ATN
32.

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
Answer» D. None of the mentioned
33.

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

A. MSG
B. APP
C. SMS
D. ATN
Answer» E.
34.

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
Answer» C. That the target is being selected
35.

The BSY signal signifies

A. The BUs is busy
B. The controller is busy
C. The Initiator is busy
D. The Target is Busy
Answer» B. The controller is busy
36.

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

A. Initiator
B. Target
C. SCSI controller
D. Target Controller
Answer» E.
37.

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
Answer» C. The highly effecient data transmission
38.

The PCi BUS allowsus to connect _______ I/O devices.

A. 21
B. 13
C. 9
D. 11
Answer» B. 13
39.

IRDY# signal is used for _______

A. Selecting the interrupt line
B. Sending an interrupt
C. Saying that the initiator is ready
D. None of the mentioned
Answer» D. None of the mentioned
40.

The signal used to initiate device select _____

A. IRDY#
B. S/BE
C. DEVSEL#
D. IDSEL#
Answer» E.
41.

DEVSEL# signal is used

A. To select the device
B. To list all the devices connected
C. By the device to indicate that it is ready for transaction
D. None of the mentioned
Answer» D. None of the mentioned
42.

The signal used to indicate that the slave is ready is _

A. SLRY#
B. TRDY#
C. DSDY#
D. None of the mentioned
Answer» C. DSDY#
43.

_____ signal is used enable commands.

A. FRAME#
B. IRDY#
C. TMY#
D. c/BE#
Answer» E.
44.

___ signal is sent by the initiator to indicate the duration of the transaction.

A. FRAME#
B. IRDY#
C. TMY#
D. SELD#
Answer» B. IRDY#
45.

A complete transfer operation over the BUS, involving the address and a burst of data is called _

A. Transaction
B. Transfer
C. Move
D. Procedure
Answer» B. Transfer
46.

The PCI BUS has _____ interrupt request lines.

A. 6
B. 1
C. 4
D. 3
Answer» D. 3
47.

The device connected to the BUS are given addresses of ____ bit.

A. 24
B. 64
C. 32
D. 16
Answer» C. 32
48.

Signals whose names end in ____ are asserted in the low voltage state.

A. $
B. #
C. *
D. !
Answer» C. *
49.

The master is also called as _____ in PCI terminology.

A. Initiator
B. Commander
C. Chief
D. Starter
Answer» B. Commander
50.

_____ address space gives the PCI its plug and play capability.

A. Configuration
B. I/O
C. Memory
D. All of the mentioned
Answer» B. I/O