CS401 Midterm Online Quiz

0%

CS401-Midterm

1 / 50

After the execution of instruction “RET 2”

2 / 50

Which of the following options contain the set of instructions to open a window to the video memory?

3 / 50

The execution of the instruction “mov word [ES : 0], 0x0741” will print character “A” on screen , background color of the screen will be

4 / 50

In assembly the CX register is used normally as a ______________register.

5 / 50

In the word designated for one screen location, the higher address contains

6 / 50

“mov byte [num1], 5” is _________ instruction.

7 / 50

Which bit of the attributes byte represents the blue component of foreground color

8 / 50

After the execution of instruction “RET”

9 / 50

In string manipulation whenever an instruction needs a memory source, which of the following will hold the pointer to it?

10 / 50

After the execution of “PUSH AX” statement

11 / 50

When a 32 bit number is divided by a 16 bit number, the quotient will be stored in

12 / 50

The basic function of SCAS instruction is to

13 / 50

The second byte in the word designated for screen location holds

14 / 50

All the addressing mechanisms iniAPX88 return a number called ______ address.

15 / 50

All the addressing mechanisms in iAPX88 return a number called _____________ address.

16 / 50

When an item is pushed on the decrementing stack, the top of the stack is

17 / 50

To convert any digit to its ASCII representation

18 / 50

The maximum parameters a subroutine can receive (with the help of registers) are

19 / 50

The execution of the instruction “mov word [ES : 0], 0x0741” will print character “A” on screen, color of the character will be

20 / 50

When a 32 bit number is divided by a 16 bit number, the quotient is of

21 / 50

Code Segment is associated to _______ register by default.

22 / 50

All the addressing mechanisms in iAPX88 return a number called _____________ address.

23 / 50

The first instruction of “COM” file must be at offset:

24 / 50

“Far” jump is not position relative but is _______________

25 / 50

In the Rotate Right Operation every bit moves one position to right and the bit dropped from the right is inserted at the left and:

26 / 50

One screen location corresponds to a

27 / 50

The basic function of SCAS instruction is to

28 / 50

When a 16 bit number is divided by an 8 bit number, the dividend will be in

29 / 50

The iAPX88 processor supports ___________ modes of memory access.

30 / 50

one RET is executed, it recovers the values from

31 / 50

When an item is pushed on the decrementing stack, the top of the stack is

32 / 50

When a 16 bit number is divided by an 8 bit number, the quotient will be in

33 / 50

JC and JNC test the ____________ flag.

34 / 50

The instruction ADC has________ Operand(s)

35 / 50

In STOSB instruction, when DF is Set, SI is

36 / 50

MOV instruction transfers a byte or word from which of the following source location.

37 / 50

In 8088 architecture, whenever an element is pushed on the stack

38 / 50

CMPS instruction subtracts the source location to the destination location. Destination location always lies in

39 / 50

After the execution of MOVS instruction which of the following registers are updated

40 / 50

Execution of the instruction “mov word [ES : 0], 0x0741” will print

41 / 50

The clear screen operation initialize whole block of memory

42 / 50

After the execution of “PUSH AX” statement

43 / 50

_______ register holds the address of next instruction is to be executed

44 / 50

After the execution of REP instruction CX will be decremented then which of the following flags will be affected?

45 / 50

After the execution of STOSW, the CX will be

46 / 50

The execution of the instruction “mov word [ES: 0], 0x0741” will print “A” on the screen, color of the character will be

47 / 50

The execution of the instruction “mov word [ES: DI], 0x0720”

48 / 50

Only instructions allow moving data from memory to memory.

49 / 50

If the direction of the processing of a string is from higher addresses towards lower addresses then

50 / 50

The execution of the instruction “mov word [ES: 0], 0x0741” will print “A” on the screen, color of the character will be

Your score is

The average score is 64%

0%

Qunoot e Nazilah
Dua e Hajat
4 Qul
6 Kalma
Dua-e-Akasha
Darood Akbar
Surah Fatiha
Dua-e-Ganj Ul Arsh
Dua-e-Jamilah
Ayat-ul-Kursi