Quiz Start Time: 06:58 PM
Time Left
34
sec(s)
Question # 1 of 10 ( Start time: 06:59:00 PM )
Total Marks: 1
If we want to produce the grave voice from speaker phone then we have to load the ____ divisor values at Port ___.
Select correct option:
high, 0x42
low, 0x22
high, 0x22
low, 0x42
Quiz Start Time: 06:58 PM
Time Left
24
sec(s)
Question # 2 of 10 ( Start time: 07:00:10 PM )
Total Marks: 1
If we want to produce the shrill voice from the speaker phone then we have to load the ___ divisor value at Port ___.
Select correct option:
high, 0x42
low, 0x42
high, 0x22
low, 0x22
Quiz Start Time: 06:58 PM
Time Left
68
sec(s)
Question # 3 of 10 ( Start time: 07:01:23 PM)
Total Marks: 1
Keyboard buffer is of ____ bytes.
Select correct option:
16
32
64
128
Quiz Start Time: 06:58 PM
Time Left
54
sec(s)
Question # 5 of 10 ( Start time: 07:03:08 PM )
Total Marks: 1
____ No. of bytes are used to store the character in the key board buffer.
Select correct option:
1
2
4
8
Quiz Start Time: 06:58 PM
Time Left
40
sec(s)
Question # 6 of 10 ( Start time: 07:03:54 PM)
Total Marks: 1
Which of the following register is used, if you want to block access of any Hardware.
Select correct option:
ISR
IMR
IRR
None of the given.
Quiz Start Time: 06:58 PM
Time Left
58
sec(s)
Question # 7 of 10 ( Start time: 07:04:55 PM )
Total Marks: 1
Total No. of bytes that can be stored in Keyboard Buffer is____.
Select correct option:
16
32
64
128
Quiz Start Time: 06:58 PM
Time Left
55
sec(s)
Question # 8 of 10 ( Start time: 07:05:40 PM)
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)
Quiz Start Time: 06:58 PM
Time Left
35
sec(s)
Question # 9 of 10 ( Start time: 07:06:21 PM)
Total Marks: 1
The ______ service # is not used in any interrupt.
Select correct option:
01
02
03
FF
Quiz Start Time: 06:58 PM
Time Left
8
sec(s)
Question # 10 of 10 ( Start time: 07:07:19 PM )
Total Marks: 1
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
MC090406317 : Aamer Abbas
Quiz Start Time: 06:22 PM Time Left 79
sec(s)
Question # 1 of 10 ( Start time: 06:22:12 PM ) 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)
MC090406317 : Aamer Abbas
Quiz Start Time: 06:22 PM Time Left 90
sec(s)
Question # 3 of 10 ( Start time: 06:23:31 PM ) Total Marks: 1
The ______ service # is not used in any interrupt.
Select correct option:
01
02
03
FF
MC090406317 : Aamer Abbas
Quiz Start Time: 06:22 PM Time Left 85
sec(s)
Question # 4 of 10 ( Start time: 06:24:56 PM ) Total Marks: 1
Total No. of bytes that can be stored in Keyboard Buffer is____.
Select correct option:
16
32
64
128
MC090406317 : Aamer Abbas
Quiz Start Time: 06:22 PM Time Left 86
sec(s)
Question # 5 of 10 ( Start time: 06:25:16 PM ) Total Marks: 1
In counter register bit no. 3 changes its value between 0 and 1 with in ____clock cycles
Select correct option:
1
2
4
16
MC090406317 : Aamer Abbas
Quiz Start Time: 06:22 PM Time Left 83
sec(s)
Question # 6 of 10 ( Start time: 06:26:44 PM ) Total Marks: 1
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
MC090406317 : Aamer Abbas
Quiz Start Time: 06:22 PM Time Left 66
sec(s)
Question # 8 of 10 ( Start time: 06:27:50 PM ) Total Marks: 1
If we want to produce the grave voice from speaker phone then we have to load the ____ divisor values at Port ___.
Select correct option:
high, 0x42
low, 0x22
high, 0x22
low, 0x42
MC090406317 : Aamer Abbas
Quiz Start Time: 06:22 PM Time Left 86
sec(s)
Question # 9 of 10 ( Start time: 06:28:26 PM ) Total Marks: 1
If we want to send printing on the printer then we have to perform following steps.
Select correct option:
Initialize printer
Read Status
Check Error
All of the given
MC090406317 : Aamer Abbas
Quiz Start Time: 06:22 PM Time Left 85
sec(s)
Question # 10 of 10 ( Start time: 06:28:51 PM ) Total Marks: 1
____ No. of bytes are used to store the character in the key board buffer.
Select correct option:
1
2
4
8
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