Blog: CS401 Online Quizzes MCQs

Question # 1
There are three busses to communicate the processor and memory named as _____________
1) : address bus.,data bus and data bus.
2) : addressing bus.,data bus and data bus.
3) : address bus.,datamove bus and data bus.
4) : address bus.,data bus and control bus..
Correct Option : 4 From : Lecture 1

Question # 2
The address bus is unidirectional and address always travels from processor to memory.
1) : TRUE
2) : FALSE
3) :
4) :
Correct Option : 1 From : Lecture 1

Question # 3
Data bus is bidirectional because________
1) : To way
2) : Data moves from both, processor to memory and memory to processor,
3) : Data moves from both, processor to memory and memory to data Bus,
4) : None of the Given
Correct Option : 3 From : Lecture 1

Question # 4
Control bus________
1) : is Not Important.
2) : is Important .
3) : bidirectional.
4) : unidirectional .
Correct Option : 3 From : Lecture 1

Question # 5
A memory cell is an n-bit location to store data, normally ________also called a byte
1) : 4-bit
2) : 8-bit
3) : 6-bit
4) : 80-bit
Correct Option : 2 From : Lecture 1

Question # 6
The number of bits in a cell is called the cell width.______________ define the memory completely.
1) : Cell width and number of cells,
2) : cell number and width of the cells,
3) : width
4) : Height
Correct Option : 1 From : Lecture 1

Question # 7
for memory we define two dimensions. The first dimension defines how many __________bits are there in a single memory cell.
1) : parallel
2) : Vertical
3) : long
4) : short
Correct Option : 1 From : Lecture 1

Question # 8
__________ operation requires the same size of data bus and memory cell width.
1) : Normal
2) : Best and simplest
3) : first
4) : None of the Given
Correct Option : 2 From : Lecture 1

Question # 9
Control bus is only the mechanism. The responsibility of sending the appropriate signals on the control bus to the memory is of the_________________.
1) : Data Bus
2) : processor
3) : Address Bus
4) : None of the Given
Correct Option : 2 From : Lecture 1

Question # 10
In “total: dw 0 ” Opcode total is a ___________
1) : Literal
2) : Variable
3) : Label
4) : Starting point
Correct Option : 3 From : Lecture 10

Question # 11
| 0 |--›| 1 | 1 | 0 | 1 | 0 | 0 | 0 | --›| C | is a example of ______
1) : Shl
2) : sar
3) : Shr
4) : Sal
Correct Option : 3 From : Lecture 10

Question # 12
| C |‹--| 1 | 1 | 0 | 1 | 0 | 0 | 0 | ‹--| 0 | is a example of ______
1) : Shl
2) : sar
3) : Shr
4) : Sal
Correct Option : 1 From : Lecture 10

Question # 13
ADC has _________ operands.
1) : two
2) : three
3) : Five
4) : Zero
Correct Option : 2 From : Lecture 10

Question # 14
The basic purpose of a computer is to perform operations, and operations need ____________.
1) : order
2) : nothing
3) : operands
4) : bit
Correct Option : 3 From : Lecture 2

Question # 15
Registers are like a scratch pad ram inside the processor and their operation is very much like normal______________.
1) : Number
2) : opreations
3) : memory cells
4) : None of the Given
Correct Option : 3 From : Lecture 2

Question # 16
There is a central register in every processor called the _______ and The word size of a processor is defined by the width of its__________.
1) : accumulator,accumulator
2) : data bus,accumulator
3) : accumulator, Address Bus
4) : accumulator,memory
Correct Option : 1 From : Lecture 2

Question # 17
___________does not hold data but holds the address of data
1) : Pointer, Segment, or Base Register
2) : Pointer, Index, or Base Register
3) : General Registers
4) : Instruction Pointer
Correct Option : 2 From : Lecture 2

Question # 18
“The program counter holds the address of the next instruction to be _____________”
1) : executed.
2) : called
3) : deleted
4) : copy
Correct Option : 1 From : Lecture 2

Question # 19
There are _____ types of “instruction groups”
1) : 4
2) : 5
3) : 3
4) : 2
Correct Option : 1 From : Lecture 2

Question # 20
These instructions are used to move data from one place to another.
1) : TRUE
2) : FALSE
3) :
4) :
Correct Option : 1 From : Lecture 2

Question # 21
“mov” instruction is related to the _______ *****.
1) : Arithmetic and Logic Instructions
2) : Data Movement Instructions
3) : Program Control Instructions
4) : Special Instructions
Correct Option : 2 From : Lecture 2

Question # 22
______________allow changing specific processor behaviors and are used to play with it.
1) : Special Instructions
2) : Data Movement Instructions
3) : Program Control Instructions
4) : Arithmetic and Logic Instructions
Correct Option : 1 From : Lecture 2

Question # 23
8088 is a 16bit processor with its accumulator and all registers of __________.
1) : 32 bits
2) : 6 bits
3) : 16 bits
4) : 64 bits
Correct Option : 3 From : Lecture 2

Question # 24
The __________ of a processor means the organization and functionalities of the registers it contains and the instructions that are valid on the processor.
1) : Manufactures
2) : architecture
3) : Deal
4) : None of the Given
Correct Option : 2 From : Lecture 2

Question # 25
Intel IAPX88 Architecture is ___________
1) : More then 25 old
2) : New
3) : Not Good
4) : None of the Given
Correct Option : 1 From : Lecture 2

Question # 26
The iAPX88 architecture consists of______registers.
1) : 13
2) : 12
3) : 9
4) : 14
Correct Option : 4 From : Lecture 3

Question # 27
General Registers are ______________
1) : AX, BX, CX, and DX
2) : XA, BX, CX, and DX
3) : SS,SI and DI
4) : 3
Correct Option : 1 From : Lecture 3

Question # 28
AX means we are referring to the extended 16bit “A” register. Its upper and lower byte are separately accessible as ________________.
1) : AH and AL
2) : A Lower and A Upper
3) : AL, AU
4) : AX
Correct Option : 1 From : Lecture 3

Question # 29
AX is General purpose Register where A stands for__________.
1) : Acadmic
2) : Ado
3) : Architecture
4) : Accumulator
Correct Option : 4 From : Lecture 3

Question # 30
The B of BX stands for _________because of its role in memory addressing.
1) : Busy
2) : Base
3) : Better
4) : None of the Given
Correct Option : 2 From : Lecture 3

Question # 31
The D of DX stands for Destination as it acts as the destination in _____________________.
1) : I/O operations
2) : operations
3) : memory cells
4) : Memory I/O operations
Correct Option : 1 From : Lecture 3

Question # 32
The C of CX stands for Counter as there are certain instructions that work with an automatic count in the ___________.
1) : DI register
2) : BX register
3) : CX register
4) : DX register
Correct Option : 3 From : Lecture 3

Question # 33
_________are the index registers of the Intel architecture which hold address of data and used in memory access.
1) : SI and SS
2) : PI and DI
3) : SI and IP
4) : SI and DI
Correct Option : 4 From : Lecture 3

Question # 34
In Intel IAPX88 architecture ___________ is the special register containing the address of the next instruction to be executed.
1) : AX
2) : PI
3) : IP
4) : SI
Correct Option : 3 From : Lecture 3

Question # 35
SP is a memory pointer and is used indirectly by a set of ____________.
1) : instructions
2) : Pointers
3) : Indexes
4) : Variables
Correct Option : 1 From : Lecture 3

Question # 36
___________is also a memory pointer containing the address in a special area of memory called the stack.
1) : SP
2) : BP
3) : PB
4) : AC
Correct Option : 2 From : Lecture 3

Question # 37
____________is bit wise significant and accordingly each bit is named separately.
1) : AX
2) : FS
3) : IP
4) : Flags Register
Correct Option : 4 From : Lecture 3

Question # 38
When two 16bit numbers are added the answer can be 17 bits long, this extra bit that won’t fit in the target register is placed in the __________where it can be used and tested
1) : carry flag
2) : Parity Flag
3) : Auxiliary Carry
4) : Zero Flag
Correct Option : 1 From : Lecture 3

Question # 39
Program is an ordered set of instructions for the processor.
1) : TRUE
2) : FALSE
3) :
4) :
Correct Option : 1 From : Lecture 3

Question # 40
For Intel Architecture “operation destination, source” is way of writing things.
1) : TRUE
2) : FALSE
3) :
4) :
Correct Option : 1 From : Lecture 3

Question # 41
Operation code “ add ax, bx ” ____________.
1) : Add the bx to ax and change the bx
2) : Add the ax to bx and change the ax
3) : Add the bx to ax and change the ax
4) : Add the bx to ax and change nothing
Correct Option : 3 From : Lecture 3

Question # 42
The maximum memory iAPX88 can access is________________.
1) : 1MB
2) : 2MB
3) : 3MB
4) : 128MB
Correct Option : 1 From : Lecture 4

Question # 43
The maximum memory iAPX88 can access is 1MB which can be accessed with _______________.
1) : 18 bits
2) : 20 bits
3) : 16 bits
4) : 2 bits
Correct Option : 2 From : Lecture 4

Question # 44
_____________address of 1DED0 where the opcode B80500 is placed.
1) : physical memory
2) : memory
3) : efective
4) : None of the Given
Correct Option : 1 From : Lecture 4

Question # 45
16 bit of Segment and Offset Addresses can be converted to 20bit Address i.e
Segment Address with lower four bits zero + Offset Address with ______ four bits zero = 20bit Physical Address
1) : Middle
2) : lower
3) : Top
4) : upper
Correct Option : 4 From : Lecture 4

Question # 46
When adding two 20bit Addresses a carry if generated is dropped without being stored anywhere and the phenomenon is called address______.
1) : wraparound
2) : mode
3) : ping
4) : error
Correct Option : 1 From : Lecture 4

Question # 47
segments can only be defined a 16byte boundaries called _____________ boundaries.
1) : segment
2) : paragraph
3) : Cell
4) : RAM
Correct Option : 1 From : Lecture 4

Question # 48
in a Program CS, DS, SS, and ES all had the same value in them. This is called _____________________.
1) : equel memory
2) : overlapping segments
3) : segments hidding
4) : overlapping SI
Correct Option : 2 From : Lecture 4

Question # 49
“db num1” size of the memory is _____________
1) : 1byte
2) : 4bit
3) : 16bit
4) : 2byte
Correct Option : 1 From : Lecture 5

Question # 50
“ 1------------[org 0x0100]
2------------mov ax, [num1] ; load first number in ax
3------------mov bx, [num2] ; load second number in bx
4------------add ax, bx _________________________________
5------------int 0x21
6------------
7------------num1: dw 5
8------------num2: dw 10


Comments for the 4 are :
1) : No comments Will be
2) : ; accumulate sum in add
3) : ; accumulate sum in ax
4) : ; accumulate sum in Bx
Correct Option : 3 From : Lecture 5

Question # 51
In “ mov ax, bx ” is _____________ Addressing Modes.
1) : Immediate
2) : Indirect
3) : Direct
4) : Register
Correct Option : 4 From : Lecture 5

Question # 52
In “mov ax, [bx] ” is _____________ Addressing Modes
1) : Based Register Indirect
2) : Indirect
3) : Base Indirect
4) : Immediate
Correct Option : 1 From : Lecture 5

Question # 53
In “mov ax, 5 ” is _____________ Addressing Modes
1) : Immediate
2) : Indirect
3) : Indirect
4) : Register
Correct Option : 1 From : Lecture 6

Question # 54
In “ mov ax, [num1+bx] ” is ___________ ADDRESSING
1) : OFFSET+ Indirect
2) : Register + Direct
3) : Indirect + Reference
4) : BASEd REGISTER + OFFSET
Correct Option : 4 From : Lecture 7

Question # 55
“base + offset addressing ” gives This number which came as the result of addition is called the _______.
1) : Address
2) : mode
3) : effective address
4) : Physical Address
Correct Option : 3 From : Lecture 7

Question # 56
“mov ax, [cs:bx]” associates _________ for this one instruction
1) : CS with BX
2) : BX with CS
3) : BX with AX
4) : None of the Given
Correct Option : 2 From : Lecture 7

Question # 57
For example
BX=0100
DS=FFF0
And Opcode are;
move [bx+0x0100], Ax
now what is the effective memory address;
1) : 0020
2) : 0200
3) : 0300
4) : 0x02
Correct Option : 2 From : Lecture 7

Question # 58
For example
BX=0100
DS=FFF0
And Opcode are;
move [bx+0x0100], Ax
now what is the physical memory address;
1) : 0020
2) : 0x0100
3) : 0x10100
4) : 0x100100
Correct Option : 2 From : Lecture 7

Question # 59
In “ mov [1234], al ” is _____________ Addressing Modes.
1) : Immediate
2) : Indirect
3) : Direct
4) : Register
Correct Option : 3 From : Lecture 8

Question # 60
In “ mov [SI], AX ” is _____________ Addressing Modes.
1) : Basef Register Indirect
2) : Indirect
3) : Indexed Register Indirect
4) : Immediate
Correct Option : 3 From : Lecture 8

Question # 61
In “ mov ax, [bx - Si] ” is ___________ ADDRESSING
1) : Basef Register Indirect
2) : Indirect
3) : Direct
4) : illegal
Correct Option : 4 From : Lecture 8

Question # 62
In “ mov ax, [BL] ” there is error i.e. __________
1) : Address must be 16bit
2) : Address must be 8bit
3) : Address must be 4bit
4) : 8 bit to 16 bit move illegal
Correct Option : 4 From : Lecture 8

Question # 63
In “ mov ax, [SI+DI] ” there is error i.e. __________
1) : Two indexes can’t use as Memory Address
2) : index can’t use as Memory Address
3) : I don't Know
4) : None of the Given
Correct Option : 1 From : Lecture 8

Question # 64
In JNE and JNZ there is difference for only _____________;
1) : Programmer or Logic
2) : Assembler
3) : Debugger
4) : IAPX88
Correct Option : 1 From : Lecture 9

Question # 65
JMP is Instruction that on executing take jump regardless of the state of all flags is called__________
1) : Jump
2) : Conditional jump
3) : Unconditional jump
4) : Stay
Correct Option : 3 From : Lecture 9

Question # 66
When result of the source subtraction from the destination is zero, zero flag is set i.e. ZF=1
its mean that;
1) : DEST = SRC
2) : DEST != SRC
3) : DEST < SRC
4) : DEST > SRC
Correct Option : 1 From : Lecture 9

Question # 67
When an unsigned source is subtracted from an unsigned destination and the destination is smaller, borrow is needed which sets the ____________.
1) : carry flag i.e CF = 0
2) : carry flag i.e CF = 1
3) : Carry Flag + ZF=1
4) : None of the Given
Correct Option : 2 From : Lecture 9

Question # 68
In the case of unassigned source and destination when subtracting and in the result ZF =1 OR CR=1 then _______
1) : DEST = SRC
2) : DEST != SRC
3) : UDEST ? USRC
4) : DEST > SRC
Correct Option : 3 From : Lecture 9

Question # 69
In the case of unassigned source and destination when subtracting and in the result ZF =0 AND CR=0 then _______
1) : DEST = SRC
2) : DEST != SRC
3) : UDEST < USRC
4) : UDEST > USRC
Correct Option : 4 From : Lecture 9

Question # 70
In the case of unassigned source and destination when subtracting and in the result CR=0 then _______
1) : DEST = SRC
2) : DEST != SRC
3) : UDEST < USRC
4) : UDEST ? USRC
Correct Option : 4 From : Lecture 9

Question # 71
______This jump is taken if the last arithmetic operation produced a zero in its destination. After a CMP it is taken if both operands were equal.
1) : Jump if zero(JZ)/Jump if equal(JE)
2) : Jump if equal(JE)
3) : Jump if zero(JZ)
4) : No Jump fot This
Correct Option : 1 From : Lecture 9

Question # 72
_______This jump is taken after a CMP if the unsigned source is smaller than or equal to the unsigned destination.
1) : JBE(Jump if not below or equal)
2) : JNA(Jump if not above)/JBE(Jump if not below or equal)
3) : JNA(Jump if not above)
4) : No Jump fot This
Correct Option : 2 From : Lecture 9
Question # 1
Numbers of any size can be added using a proper combination of __________.
1) : ADD and ADC
2) : ABD and ADC
3) : ADC and ADC
4) : None of the Given
Correct Option : 1 From : Lecture 11

Question # 2
Like addition with carry there is an instruction to subtract with borrows called____________.
1) : SwB
2) : SBB
3) : SBC
4) : SBBC
Correct Option : 2 From : Lecture 11

Question # 3
if “and ax, bx” instruction is given, There are _____________ operations as a result
1) : 16 AND
2) : 17 AND
3) : 32 AND
4) : 8 AND
Correct Option : 1 From : Lecture 12

Question # 4
____________can be used to check whether particular bits of a number are set or not.
1) : AND
2) : OR
3) : XOR
4) : NOT
Correct Option : 1 From : Lecture 12

Question # 5
__________can also be used as a masking operation to invert selective bits.
1) : AND
2) : OR
3) : XOR
4) : NOT
Correct Option : 3 From : Lecture 12

Question # 6
Masking Operations are Selective Bit ______________________
1) : Clearing, XOR, Inversion and Testing
2) : Clearing, Setting, Inversion and Testing
3) : Clearing, XOR, AND and Testing
4) : None of the Given
Correct Option : 2 From : Lecture 12

Question # 7
The ____________ instruction allows temporary diversion and therefore reusability of code.
1) : CALL
2) : RET
3) : AND
4) : XOR
Correct Option : 1 From : Lecture 13

Question # 8
CALL takes a label as _____________ and execution starts from that label,
1) : argument
2) : Lable
3) : TXt
4) : Register
Correct Option : 1 From : Lecture 13

Question # 9
When the __________instruction is encountered and it takes execution back to the instruction following the CALL.
1) : CALL
2) : RET
3) : AND
4) : XOR
Correct Option : 2 From : Lecture 13

Question # 10
_______________________ Both the instructions are commonly used as a pair, however technically they are independent in their operation.
1) : RET and ADC
2) : Cal and SSb
3) : CALL and RET
4) : ADC and SSB
Correct Option : 3 From : Lecture 13

Question # 11
The CALL mechanism breaks the thread of execution and does not change registers, except ____________.
1) : SI
2) : IP
3) : DI
4) : SP
Correct Option : 2 From : Lecture 13

Question # 12
Stack is a ______ that behaves in a first in last out manner.
1) : Program
2) : data structure
3) : Heap
4) : None of the Given
Correct Option : 2 From : Lecture 14

Question # 13
If ____________ is not available, stack clearing by the callee is a complicated process.
1) : CALL
2) : SBB
3) : RET n
4) : None of the Given
Correct Option : 3 From : Lecture 14

Question # 14
When the stack will eventually become full, SP will reach 0, and thereafter wraparound producing unexpected results. This is called stack ________
1) : Overflow
2) : Leakage
3) : Error
4) : Pointer
Correct Option : 1 From : Lecture 14

Question # 15
The pop operation makes a copy from the top of the stack into its_______________.
1) : Register
2) : operand
3) : RET n
4) : Pointer
Correct Option : 2 From : Lecture 14

Question # 16
_______________decrements SP (the stack pointer) by two and then transfers a word from the source operand to the top of stack
1) : PUSH
2) : POP
3) : CALL
4) : RET
Correct Option : 1 From : Lecture 14

Question # 17
POP transfers the word at the current top of stack (pointed to by SP) to the destination operand and then __________ SP by two to point to the new top of stack.
1) : increments
2) : dcrements
3) : ++
4) : --
Correct Option : 1 From : Lecture 14

Question # 18
The trick is to use the ________and ___________operations and save the callers’ value on the stack and recover it from there on return.
1) : POP, ADC
2) : CALL, RET
3) : CALL, RET n
4) : PUSH, POP
Correct Option : 4 From : Lecture 14

Question # 19
To access the arguments from the stack, the immediate idea that strikes is to __________ them off the stack.
1) : PUSH
2) : POP
3) : CALL
4) : Rrgister
Correct Option : 2 From : Lecture 15

Question # 20
push bp
we are ________________
1) : sending bp copy to stack
2) : making bp copy from stack
3) : pushing bp on the stack
4) : doing nothing
Correct Option : 3 From : Lecture 15

Question # 21
Local Variables means variables that are used within the ___________________
1) : Subroutine
2) : Program
3) : CALL
4) : Label
Correct Option : 1 From : Lecture 15

Question # 22
Standard ASCII has 128 characters with assigned numbers from ________.
1) : 1to 129
2) : 0 to 127
3) : 0 to 128
4) : None of the Given
Correct Option : 2 From : Lecture 16

Question # 23
When _______ is sent to the VGA card, it will turn pixels on and off in such a way that a visual representation of ‘A’ appears on the screen.
1) : 0x60
2) : 0x90
3) : 0x30
4) : 0x40
Correct Option : 4 From : Lecture 16

Question # 24
Which bit is refer to the Blinking of foreground character
1) : 6
2) : 7
3) : 5
4) : 3
Correct Option : 2 From : Lecture 16

Question # 25
Which bit is refer to the Intensity component of foreground color
1) : 4
2) : 5
3) : 3
4) : 7
Correct Option : 3 From : Lecture 16

Question # 26
Which bit is refer to the Green component of background color
1) : 1
2) : 5
3) : 3
4) : 7
Correct Option : 2 From : Lecture 16

Question # 27
Which bit is refer to the Green component of foreground color
1) : 1
2) : 5
3) : 3
4) : 7
Correct Option : 1 From : Lecture 16

Question # 28
String can be indicate bye given
1) : db 0x61, 0x61, 0x63
2) : db 'a', 'b', 'c'
3) : db 'abc'
4) : All of the above
Correct Option : 4 From : Lecture 16

Question # 29
The first form divides a 32bit number in DX:AX by its 16bit operand and stores the ___________ quotient in AX
1) : 16bit
2) : 17bit
3) : 32bit
4) : 64bit
Correct Option : 1 From : Lecture 17

Question # 30
The ___________ (division) used in the process is integer division and not floating point division.
1) : DIV instruction
2) : ADC instruction
3) : SSB instruction
4) : DIVI instruction
Correct Option : 1 From : Lecture 17

Question # 31
______________(multiply) performs an unsigned multiplication of the source operand and the accumulator.
1) : Multi
2) : DIV
3) : MUL
4) : Move
Correct Option : 3 From : Lecture 18

Question # 32
The desired location on the screen can be calculated with the following formulae.
1) : location = ( hypos * 80 + SP ) * 3
2) : location = ( hypos * 80 + slocation ) * 2
3) : location = ( hypos * 80 + epos ) * 2
4) : None of the Given
Correct Option : 3 From : Lecture 18

Question # 33
To play with string there are 5 instructions that are __________
1) : STOS, LODS, CMPS, SCAS, and MOVS
2) : MUL, DIV, ADD, ADC and MOVE
3) : SSB, ADD, CMPS, ADC, and MOVS
4) : None of the Given
Correct Option : 1 From : Lecture 18

Question # 34
_______transfers a byte or word from register AL or AX to the string element addressed by ES:DI and updates DI to point to the next location.
1) : LODS
2) : STOS
3) : SCAS
4) : MOVE
Correct Option : 2 From : Lecture 18

Question # 35
____________ transfers a byte or word from the source location DS:SI to AL or AX and updates SI to point to the next location.
1) : LODS
2) : STOS
3) : SCAS
4) : MOVE
Correct Option : 1 From : Lecture 18

Question # 36
_______compares a source byte or word in register AL or AX with the destination string element addressed by ES: DI and updates the flags.
1) : LODS
2) : STOS
3) : SCAS
4) : MOVE
Correct Option : 3 From : Lecture 18

Question # 37
____________ repeat the following string instruction while the zero flag is set and REPNE or REPNZ repeat the following instruction while the zero flag is not set.
1) : REP or REPZ
2) : REPE or REPZ
3) : REPE or RPZ
4) : RPE or REPZ
Correct Option : 2 From : Lecture 18

Question # 38
LES loads ______________
1) : ES
2) : DS
3) : PS
4) : LS
Correct Option : 1 From : Lecture 20

Question # 39
LDS loads_______.
1) : ES
2) : DS
3) : PS
4) : LS
Correct Option : 2 From : Lecture 20

Question # 40
REP allows the instruction to be repeated ____________ times allowing blocks of memory to be copied.
1) : DX
2) : CX
3) : BX
4) : AX
Correct Option : 2 From : Lecture 20

Question # 41
___________pops IP, then CS, and then FLAGS.
1) : Ret n
2) : REZA
3) : REPE
4) : IRET
Correct Option : 4 From : Lecture 21

Question # 42
________ , Trap, Single step Interrupt
1) : INT 0
2) : INT 1
3) : INT 3
4) : INT 0
Correct Option : 2 From : Lecture 21

Question # 43
_________,NMI-Non Maskable Interrupt
1) : INT 0
2) : INT 1
3) : INT 3
4) : INT 0
Correct Option : 3 From : Lecture 21

Question # 44
To hook an interrupt we change the _________ corresponding to that interrupt.
1) : SX
2) : vector
3) : AX
4) : BX
Correct Option : 2 From : Lecture 22
Question # 1
___________pops IP, then CS, and then FLAGS.
1) : Ret n
2) : REZA
3) : REPE
4) : IRET
Correct Option : 4 From : Lecture 21

Question # 2
________ , Trap, Single step Interrupt
1) : INT 0
2) : INT 1
3) : INT 3
4) : INT 0
Correct Option : 2 From : Lecture 21

Question # 3
_________,NMI-Non Maskable Interrupt
1) : INT 0
2) : INT 1
3) : INT 3
4) : INT 0
Correct Option : 3 From : Lecture 21

Question # 4
To hook an interrupt we change the _________ corresponding to that interrupt.
1) : SX
2) : vector
3) : AX
4) : BX
Correct Option : 2 From : Lecture 22