Question # 1 of 10 ( Start time:
07 :35 :17 PM ) Total Marks: 1
On executing INT 0 x 21 service 0 x 3 D , if
file is successfully opened then
Select correct option :
CF will contain 1
CF will contain 0
ZF will contain 1
ZF will contain 0
Question # 2 of 10 ( Start time:
07 :35 :50 PM ) Total Marks: 1
" INT 13 - - BIOS disk services" generally
uses which register to return the 'error
code ' ?
Select correct option :
CF
DL
AH
AL
Question # 3 of 10 ( Start time:
07 :36 :54 PM ) Total Marks: 1
A FAT32 file system directory entry in
DOS consist of how many bytes ?
Select correct option :
16
24
32
64
Question # 4 of 10 ( Start time:
07 :37 :28 PM ) Total Marks: 1
In the context of video services, if we
want to set cursor position which of
the following will be the value of AH ?
Select correct option :
AH = 01 h
AH = 02 h
AH = 03 h
AH = 04 h
Question # 5 of 10 ( Start time:
07 :38 :01 PM ) Total Marks: 1
Which of the following services of INT
10 is used to write graphic pixel on the
screen ?
Select correct option :
0 x 0 A
0 x 0 B
0 x 0 C
0 x 0 D
Question # 6 of 10 ( Start time:
07 :39 :14 PM ) Total Marks: 1
COM1 is connected with
Select correct option :
IRQ 2
IRQ 3
IRQ 4
IRQ 5
Question # 7 of 10 ( Start time:
07 :39 :48 PM ) Total Marks: 1
Which of the following service of INT
21 is used to write a string on standard
output?
Select correct option :
00 h
02 h
09 h
10 h
Question # 8 of 10 ( Start time:
07 :40 :35 PM ) Total Marks: 1
As compared to _________ ,
___________ provides more cooked
services.
Select correct option :
BIOS, DOS
DOS,OS
DOS, BIOS
OS, DOS
Question # 9 of 10 ( Start time:
07 :41 :15 PM ) Total Marks: 1
We can set the current file position in
DOS using service number ____
Select correct option :
0 x 38
0 x 40
0 x 42
0 x 43
Question # 10 of 10 ( Start time :
07 :42 :06 PM ) Total Marks: 1
In 9 pin DB 9 connector, which pin is
assigned to RD ( Received Data) ?
Select correct option :
1
2
3
4
