CS401 Quiz No.4 Shared by JD Shah

Question # 1 of 10 ( Start time: 06:58:57 PM ) Total Marks: 1
In 9pin DB 9 connector, which pin is assigned to TD (Transmitted Data) ?
Select correct option:
1
2
3      
4


Question # 2 of 10 ( Start time: 06:59:32 PM ) Total Marks: 1
Hard disk MBR( Master Boot Record ) is of size
Select correct option:
446 bytes       
350 bytes
512 bytes
256 bytes


Question # 3 of 10 ( Start time: 07:00:03 PM ) Total Marks: 1
In the context of video services, if we want to set the cursor at top left corner, which of the values will be stored in DH and DL respectively?
Select correct option:
00, 00
00, 80
25, 80
01,01


Question # 4 of 10 ( Start time: 07:01:40 PM ) Total Marks: 1
Which of the following service of INT 21 is used to write a string on standard output?
Select correct option:
00h
02h
09h       
10h


Question # 5 of 10 ( Start time: 07:03:13 PM ) Total Marks: 1
While using INT 10 for writing graphic pixel on screen, which of the following registers hold the information about pixel color?
Select correct option:
DH
DL
AH
AL        ok


Question # 6 of 10 ( Start time: 07:04:10 PM ) Total Marks: 1
BIOS video services are broadly classified into ________ categories.
Select correct option:
1
2        ok
3
4


Question # 7 of 10 ( Start time: 07:04:35 PM ) Total Marks: 1
INT 0x13 service 0x03 is used to _________.
Select correct option:
Read disk sector
Write disk sector        ok
Reset disk sector
Get drive parameter


Question # 8 of 10 ( Start time: 07:05:43 PM ) Total Marks: 1
Which of the following services of INT 10 is used for writing the string?
Select correct option:
0x12
0x13
0x11
0x10        ok


Question # 9 of 10 ( Start time: 07:06:21 PM ) Total Marks: 1
The root directory of floppy contains _____ fixed entries.
Select correct option:
64
256
128
512


Question # 10 of 10 ( Start time: 07:07:57 PM ) Total Marks: 1
Which of the following INT 21 service is used to read character from standard input?
Select correct option:
00
01
02
03

 If You know Correct Answer then please Share in Comments :)