Vu All Subjects Assignment Quiz GDB Handouts Available here
Dear Students,
In this post we are providing you CS401 Quiz-2 Solution Fall 2022 (19 to 39) 100% correct or right solution.
CS401 QUIZ 2, 2022
Quiz-2 will be launched on March 02, 2021 that will remain open for 72 hours only.
The syllabus for the quiz is Lecture No. 19-39. Lesson 7 to 15
ORANGE MONKEY TEAM
1.
There
are ________ forms of MOVS instruction.
Two…..confirm
2.
The
program segment prefix for com files is of ________ size.
256 bytes
3.
Which
of the following instructions, selects the memory address space?
Mov …..confirm
4.
Which
of the following instructions, selects the peripheral address space?
IN…..confirm
5.
Which
of the following instructions to read and write from the peripheral address
space?
IN and OUT……confirm
6.
INT
instruction takes a ________ byte(s) argument varying from 0-255.
Single(1)…..confirm
7.
Which
of the following interrupt requests (IRQ) is derived by the keyboard when
generates an interrupts when a key is pressed or released.
IRQ 1….confirm
8.
Which
of the following interrupt requests (IRQ) is the cascading interrupt connected
to the output of the second 8451 in the machine?
IRQ 2….confirm
9.
Which
of the following interrupt requests (IRQ) is connected to serial port COM 2?
IRQ
3…..confirm
10. Which of the following interrupt
requests (IRQ) is connected to serial port COM 1?
IRQ
4….confirm
11. Which of the following interrupt
requests (IRQ) is used by the sound card or network card.
IRQ
5……confirm
12. Which of the following interrupt
requests (IRQ) is used by the floppy disk drive ?
IRQ 6….confirm
13. Which of the following interrupt
requests (IRQ) is used by the parallel port?
IRQ 7 …..confirm
14. ___________ register is used for
storing the base and limit of GDT.
GDTR…..confirm
15. The first entry of the GDT must
always be zero. It is called the _____.
Null
descriptor….confirm
16. In intel 8088 there are a total of ________
possible interrupt vectors in an interrupt Vector Table.
256….confirm
17. Which register is generally used to
specify the service number of an interrupt?
Ax…..confirm from net
18. In the context of video services,
if we want to write string then which of the value will be placed in AH?
13h….confirm
19. In 9pin DB 9 connector, which pin
is assigned to Signal Ground?
5….confirm
20. In 9pin DB 9 connector, which pin
is assigned to Data terminal?
4….confirm
21. In 9pin DB 9 connector, which pin
is assigned to transmitted data?
3…..confirm
22. In 9pin DB 9 connector, which pin
is assigned to Received data?
2…..confirm
23. In 9pin DB 9 connector, which pin
is assigned to Carrier Detect?
1…..confirm
24. In 9pin DB 9 connector, which pin
is assigned to Data Set?
6……confirm
25. In 9pin DB 9 connector, which pin
is assigned to request to send (RTS)?
7…..confirm
26. In 9pin DB 9 connector, which pin
is assigned to Clear to send (CTS)?
8…..confirm
27. In 9pin DB 9 connector, which pin
is assigned to Ring indicator(RI)?
9……confirm
28. The first parallel port LPT1 has ports
designated from ______ to _______.
378 to 37 A…..confirm
29. A parallel port has ________ views
2…..confirm
30. COM2 is connected with
IRQ3….confirm
31. Which of the following service of
INT 21 is used to write a string on standard output?
09h…..confirm
32. Which of the following register
hold the page number for using the write string service of INT 10?
BH….confirm
33. New devices are allowed to work
with the existing operating system with the help of ____________.
Device
drivers…confirm
34. Which of the following register
hold the cursor start and options for using the write string service of INT 10?
CH……confirm
35. Which of the following register
hold the number of lines by which to scroll up for using the write string
service of INT 10?
AL….confirm
36. Which of the following register
hold the character to display for using the write string service of INT 10?
AL…..confirm
37. Which of the following register hold write
mode for using the write string service of
INT 10?
AL…confirm
38. The ______ and DPL have the same
meaning as in data and code descriptors.
P……confirm
39. The routine which executes as a
result of INT instruction is called _______.
Interrupt service routine…..confirm
40. To declare a character in assembly language,
we store its ASCII code in a _____________.
Byte….confirm
41. When two devices in a system want
to use the same interrupt request (IRQ) line, is referred as IRQ ______.
Conflict….confirm
42. During multitasking ________ is
used to get control from the program without letting the program know about it.
IRQ
0….confirm
43. Which of the following is BIOS
interrupt providing keyboard services?
INT
0x16…..confirm
44. REPNZ repeats the following
instruction while the _________.
ZF is
not set….confirm
45. Which of the following is the
source register in OUT instruction?
AL or
AX….confirm
46. At the end of servicing an
interrupt _______ signal is used to inform the Programmable interrupt
Controller (PIC) about it.
EOI…confirm
47. INT 0x13 service 0x03 is used to
________.
Write disk sector…confirm
48. INT 0x13 service 0x00 is used to ________.
RESET disk system….confirm
49. INT 0x13 service 0x02 is used to
________.
READ sector into memory
50. INT 0x13 service 0x08 is used
to_______.
GET drive parameters….confirm
51. INT 0x21 service 0x01 is used to
_________.
READ character from standard input, with
echo…..confirm
52. INT 0x21 service 0x09 is used to
___________.
Write
string to standard output…confirm
53. INT 0x21 service 0x0A is used to
_______.
Buffered input….confirm
54. In programmable interrupt Controller (PIC)
which of the following ports is used to selectively enable or disable
interrupts?
21….confirm
55. In multitasking, which of the following
interrupts is used scheduler?
INT 08….confirm
56. Which of the following interrupts
is used for saving and restoring the registers?
INT 08….confirm
57. Scrolling is the process of moving
one or more lines towards the top or bottom of the screen and this is _______.
Cleared…..confirm
58. Software interrupts are called by
extended _________ call mechanism
Far
59. The root directory of floppy
contains ____________ fixed entries
512….confirm
60. Programmable interrupt controller
has __________ ports.
Two(20, 21)…confirm
61. The space where all registers of a task
are stored is called __________.
Process
control block(PCB)…….confirm
62. In the context of video services, if we want
to scroll the window up which of the following will be the value of AH?
AH=06h….confirm
63. In the context of video services,
if we want to scroll the window down which of the following will be the value
of AH?
AH=07h….confirm
64. In the context of video services,
if we want to set text-mode cursor shape which of the following will be the
value of AH?
AH=01h….confirm
65. In the context of video services,
if we want to set cursor position which of the following will be the value of
AH?
AH=02h….confirm
66. In the context of video services,
if we want to write character and attribute at cursor position which of the
following will be the value of AH?
AH=09h….confirm
67. In the context of video services,
if we want to write character only at cursor position which of the following
will be the value of AH?
AH=0Ah….confirm
68. In the context of video services,
if we want to write string which of the following will be the value of AH?
AH=13h….confirm
69. INT instruction takes a ____ byte(s)
argument varying from 0-255.
1….confirm
70. Which of the following is the
number of pin(s) outside the processor for generating interrupts by the
external hardware?
1…..confirm
71. Each entry of the interrupt vector
table is of ______ byte(s).
4….confirm
72. Which of the following is the priority of
interrupt request (IRQ) 0?
Highest…confirm
73. The interrupt call loads new values
in CS, IP and _______.
FLAgS….confirm
74. REP allows the instruction to be
repeated _____ times.
CX …confirm
75. Which of the following interrupt
Requests (IRQ) is derived by a timer device?
IRQ 0 …..confirm
76. An END of interrupt (EOI) signal is
sent by the__________
Programmable
interrupt controller…..confirm
77. Which of the following INT21
service is used to read character from standard input?
AH= 01h…..confirm
78. Which of the following INT21
service is used to write string to standard output?
AH=09h…..confirm
79. Which of the following INT21
service is used to buffered Input?
AH=0Ah….confirm
80. Which of the following instructions, select
the peripheral address space?
IN…..confirm
81. Software interrupts are called by
extended ________ call mechanism
Far….confirm
82. Which of the following is the
interrupt number for debug interrupt?
Int 3…..confirm
83. In intel 8088, the interrupt vector
table occupies ___________ of memory
4 bytes….confirm
84. The register size of 386
architecture is _________.
32 bit…..confirm
85. Which of the following instructions
is used to disable all interrupts during the execution of a program?
cli…..confirm
86. In case of COM file, first command
line parameter is stored at ______ offset of program segment prefix?
0x80….confirm
87. _________ is a special type of
interrupt that returns to the same instruction instead of the next instruction.
Divide overflow interrupt…..confirm
88. Which of the following is the order
of pushing the contents on stack during the execution of INT instruction?
CS, IP and
flags…..confirm
89. The output of Programmable interval
Timer (PIT) is connected to the ____ line of programmable interrupt controller
(PIC).
IRQ
0….confirm
90. Which of the following formulae is
used for calculating the segment address of an interrupt service routine “n”?
N*4+2……confirm
91. The thread registration code
initializes the Process Control Block (PCB) and adds it to the linked list. The
____, then gives it a return.
Scheduler…..confirm
92. Interrupts are ___________ and _______________
Asynchronous ,
inpredictable…..confirm
93. The execution of the instruction
mov word {ES:160} 0x1230 will print a character on screen at the ____________
column of the __________ row.
First,
second….confirm
94. Which of the following formulae
calculates the desired location on the screen?
Location =
(rowno * 80 + column) * 2
95. The clear screen operation
initializes the whole block of video memory to ________.
0x0720……confirm
96. In programmable interrupt controller, which of
the following ports is the control port?
Port 20….confirm
97. The convention to return a value from a
subroutine is to use the ______ register.
AX…..confirm
98. The parallel port connector is called
______
DB-25……confirm
99. Which of the following is the
number of pin(s) outside the processor for generating interrupts by the
external hardware?
1……confirm
100.
Which
of the following is the time interval between two timer ticks?
55ms……confirm
101.
Which
of the following IRQs is used for sound card or network card ?
IRQ
5……confirm
102.
__________ is used for exporting keyboard
services.
INT
11….confirm
103.
If
the _______ flag is set, then after every instruction, a type 1 interrupt will
be generated automatically.
Trap….confirm
104.
On
executing INT 0x21 service 0x3D, if file is successfully opened then
ZF
will contain 0….confirm from net
105.
On
executing INT 0x21 service 0x3D, if file can’t be opened then
ZF will contain
1….confirm from net
106.
BPB
stands for________.
Bios parameter block……confirm
107.
Which
of the following is the destination register in IN instruction?
AL or AX….confirm
108.
Interrupts
are _______ events
Synchronous
109.
The
correlation process from the interrupt number to the interrupt handler uses a
table called __________.
Interrupt vector table….confirm
110.
Which
of the following services of INT 10 is used to get the video font information?
1130h….confirm
111.
In
case of COM file, maximum length of parameters passes through command line can
be __________.
255 bytes
112.
Programmable
interrupt Controller (PIC) has ___________ input signal(s) and __________
output signal(s).
Eight,
one….confirm
113.
Which
of the following is used to clear the direction flag?
Cld…..confirm
114.
Which
of the following is used to set direction flag?
Std……confirm
115.
Which of the following is the ACK pin in DB-25
connector?
10…..confirm
116.
BIOS video services are broadly classified
into ______ categories.
2……confirm
117.
In
multitasking environment, which of the following structure is used to maintain
the order of active process control blocks (PCB)?
Register…..confirm
118.
_________
is a special instruction that loads a general purpose register, and a segment
register from two consecutive memory locations.
LES…..confirm
119.
Programmable
interrupt Controller (PIC) has __________ input signal(s) and _____ output
signal(s).
Eight, one….confirm
120.
Which
of the following interrupts plays the most significant part during single step
debugging of a program?
INT 1…..confirm
121.
Iret returns on the basis of _________ and
______.
Cs,IP…..confrim
122.
Total
number of reserved interrupts in Intel 8088 are
255…..confirm
123.
The
8088 processor divides interrupts into _________ classes.
Two…confirm
124.
As
compared to ________, _________ provides more cooked services.
BIOS,
DOS…..confirm
125.
The
IDTR is a __________ bit register similar in structure to the GDTR
48……confirm
126.
INT13-BIOS
disk services generally uses which register to return the error flag?
CF…..confirm
127.
DOS
has a single entry point to access all of its services through __________.
INT 21…..confirm
128.
Which
of the following flags can be used in mathematical operations?
Carry
flag….confirm
129.
What
is the purpose of the following two instructions? MOV AX, 0XB800 MOV EX,AX
POINTS ES to video base……confirm
130.
Which
of the following instruction is used to return from an interrupt service
routine?
Iret….confrim
131.
Which
of the following pins of DB-25 connector are ground?
18-25…..confirm
132.
INT13-BIOS
disk services generally uses which register to return the error code?
AH…..confirm
133.
IBM
AT has _______ Programmable interrupt Controllers (PIC)
2….confirm
134.
WHICH
OF the following interrupts is used to maintain the system time?
INT
8…..confirm
135.
Which
of the following flags is cleared with the help of stack?
Direction
flag…..confirm
136.
The
register size of 386 architecture is __________.
32
bit…..confirm
137.
After
the execution of STOSB and STOSW the CX register will be ________ by ________.
Decremented
by 1……confirm
138.
Which
of the following is the highest priority interrupt?
INT
08……confirm
139.
There
is an auto-increment mode when the _______ is __________.
DF,
set……confirm
140.
Which
of the following services of INT 10 is used for writing the string?
0x13…..confrim
141.
Changing
and restoring the state of Central Processing Unit (CPU) is called.
Multitasking
142.
Which
of the following stands for TSR?
Terminate and
stay resident….confirm
143.
After
the execution of STOSB and STOSW, the CX register will be _______ by _________.
Decremented by 1….confirm
144.
While
writing graphics pixel on the screen, which registers hold the value for
setting cursor position?
CX, DX…confirm from net
145.
Which
of the following BIOS INT provides serial port services.
INT 14……confirm
146.
Which
of the following stands for TSR?
Terminate and stay resident…..confirm
147.
PCB
stands for ____________.
Process control block….confirm
148.
The
bits are sent one by one in a specially formatted fashion on the ___________.
Serial port…confirm
149.
In
assembly language _______ is used to load a character in AL.
Lodsb……confirm
150.
Which
of the following services of INT 10 is used to write graphic pixel on the
screen?
0x0C…..confirm
151.
COM1
is accessible via ports _______ while COM2 is accessible via _______.
358-3FF, 258-2FF……confirm
152.
Port
____ is used to send an END of interrupt (EOI) signal to the programmable
interrupt Controller (PIC) after an interrupt has ended.
0x20…..confirm
153.
__________
is a special prefix that is used to repeat the block instructions.
REP….confirm
154.
COM1
is connected with
IRQ4….confirm
155.
BIOS
video services are exported via interrupt.
INT
10…..confirm
156.
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?
00.00…….confirm
157.
REPE
repeats a string instruction while the ______ flag is set.
Zero…confirm
158.
Device
drivers can be divided into ________ major categories.
2……confirm
159.
A
32-bit address register can access up to ___ of memory
4GB….confirm
160.
_____
is used in debugging along with the trap flag.
INT 1…..confirm
161.
Push
and pop operations always operate on __________.
Words…..confirm
162.
Which
of the following instructions is used to read a character from the keyboard
port?
In al, 0x60……confirm
163.
REP
with MOVS utilizes the _____ power of a processor to do scrolling in minimum
time.
Full….confirm
164.
The
programmable interval timer (PIT) has input frequency of _______.
1.19318 MHZ…..confirm
We are here to provide Latest Virtual University Assignment Solutions, GDB Solutions, Quiz Solution, Midterm Past Papers, and Final term Past Papers in this website.
its perfect my all question came from this file i hope all will be correct thanks alot.
ReplyDeletejazakallah sir g
Deletejazakallah sir:)
ReplyDeleteAmeen Summ Ameen
ReplyDeletePlease mth 603 aur cs 301 ki aj he is trah ki file upload kr dain
ReplyDeletecs301 ready ho rhi ha mth603 mari ni ha
Delete