RET pops the ______ at the top of the stack into the instruction pointer and increments SP by ________.

• A) byte, one
• B) word, one
• C) word, two
• D) byte, two

mov byte [swap], 0 What would happen if we dont use the keyword byte or word before the operand?

• A) Its good to use, otherwise size mismatch error may occur
• B) Nothing will happen, program will run smoothly all the time
• C) Nothing will happen but its good practice to use theses keywords
• D) Its useless to use these keywords

REP with _____will utilizes the full processor power to do the scrolling in minimum time

• A) SCAS
• B) LES
• C) MOVS
• D) REPNE

Far calls are also called ______________ calls.

• A) inter segment
• B) obscure
• C) intra segment
• D) distant

The execution of the instruction "mov word [ES : 160], 0x1230" will print a character on the screen at:

• A) Second column of first row
• B) First column of second row
• C) Second column of second row
• D) First column of third row

When all the general registers are used then a subroutine can receive maximum _____ parameters.

• A) 5
• B) 7
• C) 6
• D) 4

Shift Arithmetic Left (SAL) can also be called as

• A) Rotate Left
• B) Shift Logical Right
• C) Shift Logical Left
• D) Rotate right

Which of the following statement best describes the Shift Logical Right (SHR) operation?

• A) The Right most bit is transferred to AX
• B) Inserts a zero from right and moves every bit one position to the left
• C) The Left most bit is transferred to AX
• D) Inserts a zero from left and moves every bit one position to the right

The ____ shifting is achieved by multiplying the number by 2.

• A) Left
• B) Right
• C)
• D)

The last location of word, corresponding to the screen will be ______

• A) 3998
• B) 1998
• C) 2000
• D) 4000

0x represents

• A) Hexadecimal Numbers
• B) Decimal Numbers
• C) 0 Based Numbers
• D) Binary Number

If operand is 16bits in DIV instruction then dividend will be ____

• A) 32-bits
• B) 8-bits
• C) 64-bits
• D) 16-bits

mov byte [swap], 0 What does above code do?

• A) It simply stores the 0 value to location named as swap
• B) It stores the byte value of 0 to location named as swap
• C) It stores the byte value of 0 to location named as byte
• D) It simply stores the 0 value to location named as byte

SP is decremented by ___________ when an element is pushed on the stack.

• A) 4
• B) 1
• C) 2
• D) 3

To access the video memory ______register is used.

• A) DI
• B) ES
• C) BH
• D) AX

REPE repeat the following string instruction while the _______is set.

• A) Direction flag
• B) Zero flag
• C) Carry flag
• D) Parity flag

Near Calls are also called __________.

• A) Close call
• B) intra segment
• C) inter segment
• D) Small call

In string instructions, the mode is called auto-decrement mode when:

• A) DF is cleared
• B) CX is set
• C) ZF is cleared
• D) DF is set

Which of the following is base address for displaying any character in the Screen?

• A) 0b800
• B) 0b800x
• C) 0xb80
• D) 0xb800

What would happen after execution of the following instructions? mov [vuid+di+2], [vuid+di] mov [vuid+di], [vuid+di+2]

• A) It will swap digit of location named as vuid with its previous digit
• B) This will cause error
• C) Same value will be copied to both locations
• D) It will swap digit of location named as vuid with its next digit