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Quiz # 1 has been scheduled on May 06, 2013

This quiz will be taken from lecture no 01 to lecture no 12.

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I will share by evening. Now preparing OLD   MCQs . Thanks

In order to produce the sound from PC internal Speaker we have to load the___bit divisor value at the ___port.

Which of the following register is used, if you want to block access of any Hardware

If printer is _____ then printer sends back the ACK signal to the printer interface

Select correct option:

idle

busy

Out of paper

None of the given

n counter register bit no. 3 changes its value between 0 and 1 with in ____clock cycles

Select correct option:

 

1

2

4

16

At IRQ 7 Interrupt # ___ is used.

Select correct option:

0x0A

0x0B

0x0C

x0F

Total No. of bytes that can be stored in Keyboard Buffer is____.

Select correct option:

16

32

64

128

The ______ service # is not used in any interrupt.

Select correct option:

01

02

03

FF

if the following function, keep(1, 1000); is called in the TSR program, it means that ________ No. of bytes are reserved in the memory.

Select correct option:

  8000

16000

32000

64000

____ No. of bytes are used to store the character in the key board buffer.

Select correct option:

1

2

4

8

In counter register bit no. 3 changes its value between 0 and 1 with in ____clock cycles

Select correct option:

1

2

4

16

share kardo quiz yar .......................................

In counter register bit no. 3 changes its value between 0 and 1 with in ____clock cycles

1

2

4

16

If printer is _____ then printer sends back the ACK signal to the printer interface

Idle

Busy

Out of paper

None of the given

Total No. of bytes that can be stored in Keyboard Buffer is____.

16

32

64

128

Which of the following register is used, if you want to block access of any Hardware.

ISR

IMR

IRR

None

if the following function, keep(1, 1000); is called in the TSR program, it means that ________ No. of bytes are reserved in the memory.

8000

16000

32000

64000

At IRQ 7 Interrupt # ___ is used.

0x0A

0x0B

0x0C

X0F

____ No. of bytes are used to store the character in the key board buffer.

1

2

4

8

If we want to produce the shrill voice from the speaker phone then we have to load the ___ divisor value at Port ___.

High 0x42

Low 0x42

High0x22

Low 0x22

If we want to produce the grave voice from speaker phone then we have to load the ____ divisor values at Port ___.

High 0x42

Low 0x42

High0x22

Low 0x22

The ______ service # is not used in any interrupt.

01

02

03

FF

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lecture sono

The ______ service # is not used in any interrupt.

01

02

03

FF

Total No. of bytes that can be stored in Keyboard Buffer is

16

32

64

128

If printer is _____ then printer sends back the ACK signal to the printer interface

 

idle

busy

Out of paper

None of the given

If we want to send printing on the printer then we have to perform following steps.

Initialize printer

Read Status

Check Error

All of the given

We have set the bit No. 7 of IMR(Interrupt Mask Register) to unmask the Interrupt so that interrupt _____ can occur at ____ line.

0xf ,IRQ 7

0xa, IRQ 6

0x8, IRQ 5

0x6, IRQ 2

At IRQ 7 Interrupt # ___ is used.

0x0A

0x0B

0x0C

x0F

__ No. of bytes are used to store the character in the key board buffer.

1

2

4

8

If we want to produce the grave voice from speaker phone then we have to load the ____ divisor values at Port ___.

high, 0x42

low, 0x22

high, 0x22

low,  0x42

In counter register bit no. 3 changes its value between 0 and 1 with in ____clock cycles

1

2

4

16

share kardooooooooooooooooooooooooooo Quiz yar 

Quiz No.01 is contain on 10 Questions each question have 1 marks and 90 second to answer... following is today quiz.....

 

Question # 1 of 10 ( Start time: 10:01:36 AM )  Total Marks: 1 

The baud rate is set in accordance with the divisor value loaded within the UART internal registers base +0 and base +1. 

Select correct option: 

 

 TRUE

 FALSE

 

 

 

Question # 2 of 10 ( Start time: 10:02:46 AM )  Total Marks: 1 

Int 14H __________ can be used to set the line parameter of the UART or COM port. 

Select correct option: 

 

 Service # 0

 

 Service # 1

 Service # 2

 None of the given options

 

Question # 3 of 10 ( Start time: 10:03:26 AM )  Total Marks: 1 

Total No. of bytes that can be stored in Keyboard Buffer is____. 

Select correct option: 

 

 16

 32

 64

 128

 

 

 

Question # 4 of 10 ( Start time: 10:04:31 AM )  Total Marks: 1 

In keyboard status byte bit no. 2 and 3 are used for ctrl and alt keys respectively. which of the following condition is used to check that Ctrl + Alt keys are pressed. Where: unsigned char far * scr = (unsigned char far *)(0x00400017); 

Select correct option: 

 

 if (((*scr)&12)==12)

 if (((*scr)&8)==8)

 if (((*scr)&4)==4)

 if (((*scr)&2)==2)

 

 

    

 

 

 

Question # 5 of 10 ( Start time: 10:06:01 AM )  Total Marks: 1 

In case of synchronous communication a timing signal is required to identify the start and end of a bit. 

Select correct option: 

 

 TRUE

 FALSE

 

 

 

Question # 6 of 10 ( Start time: 10:06:22 AM )  Total Marks: 1  

DSR stands for __________ 

Select correct option: 

 

 Data set ready

 Data service ready

 Data stock ready 

 None of the above

 

 

 

 

Question # 7 of 10 ( Start time: 10:07:25 AM )  Total Marks: 1 

Int 14H __________ can be used to receive a byte.  

Select correct option: 

 

 Service # 0        

 Service # 1

 Service # 2

 None of the given options

 

 

Question # 8 of 10 ( Start time: 10:08:56 AM )  Total Marks: 1 

At IRQ 7 Interrupt # ___ is used. 

Select correct option: 

 

 0x0A

 0x0B

 0x0C

 x0F

 

 

 

Question # 9 of 10 ( Start time: 10:09:10 AM )  Total Marks: 1 

BIOS supports __________ UARTS as COM Ports. 

Select correct option: 

 

 6

 4

 3

 2

 

 

 

Question # 10 of 10 ( Start time: 10:09:25 AM )  Total Marks: 1 

We have set the bit No. 7 of IMR(Interrupt Mask Register) to unmask the Interrupt so that interrupt _____ can occur at ____ line. 

Select correct option: 

 

  0xf ,IRQ 7

  0xa, IRQ 6

  0x8, IRQ 5

  0x6, IRQ 2 

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