| 1 | The physical address of the stack is obtained by | SS:SI combination | SS:SP combination | ES:BP combination | ES:SP combination | B |
| 2 | Foreground and background parameter will be | 32bits | 16bits | 8bits | 4bits | C |
| 3 | The clear screen operation initialize whole block of memory | 0741 | 0417 | 0714 | 0174 | D |
| 4 | In STOSB instruction, when DF is Set, SI is | Incremented by 1 | Incremented by 2 | Decremented by 1 | Decremented by 2 | C |
| 5 | Assembly language is: | Low-level programming language | High-level programming language | Also known as machine language | Not considered closer to the computer | A |
| 6 | A 32 Bit processor has accumulator of ___________ | 8 bit | 16 bit | 32 bit | 64 bit | C |
| 7 | To transfer control back the RET instruction take | Register | Stack | Data segment | Code segment | B |
| 8 | To convert any digit to its ASCII representation | Add 0x30 in the digit | Subtract 0x30 from the digit | Add 0x61 in the digit | Subtract 0x61 from the digit | A |
| 9 | The prevalent convention in most high level languages is stack clearing by the | Caller | Callee | RET | Stack | B |
| 10 | After execution of JCXZ instruction CX will changed with flag affect. | CF | OF | DF | None of Above | D |
| 11 | Execution of the instruction “mov word [ES : 0], 0x0741” will print | “A” appear on the top left of screen | “A” appear on the top right of screen | “A” appear on the center of screen | “A” appear on the bottom left of screen | A |
| 12 | if contains decimal -2 and BX contains decimal 2 then after the execution of instructions: CMP AX, BX JA label | Jump will be taken | Zero flag will set | ZF will contain value -4 | Jump will not be taken | A |
| 13 | Which of the following options contain the set of instructions to open a window to the video memory? | mov AX, 0xb008 mov ES, AX | mov AX, 0xb800 mov ES, AX | mov AX, 0x8b00 mov ES, AX | mov AX, 0x800b mov ES, AX | B |
| 14 | After the execution of SAR instruction | The msb is replaced by a 0 | The msb is replaced by 1 | The msb retains its original value | The msb is replaced by the value of CF | D |
| 15 | RETF will pop the offset in the | BP | IP | SP | SI | B |
| 16 | The routine that executes in response to an INT instruction is called | ISR | IRS | ISP | IRT | A |
| 17 | The first instruction of “COM” file must be at offset: | 0x0010 | 0x0100 | 0x1000 | 0x0000 | B |
| 18 | “Far” jump is not position relative but is _________ | Memory dependent | Absolute | Temporary | Indirect | B |
| 19 | After the execution of instruction “RET 2” | SP is incremented by 2 | SP is decremented by 2 | SP is incremented by 4 | SP is decremented by 4 | C |
| 20 | DIV instruction has | Two forms | Three forms | Four forms | Five forms | A |
| 21 | When the operand of DIV instruction is of 16 bits then implied dividend will be of | 8 bits | 16 bits | 32 bits | 64 bits | A |
| 22 | After the execution of MOVS instruction which of the following registers are updated | SI only | DI only | SI and DI only | SI, DI and BP only | C |
| 23 | In 8088 architecture, whenever an element is pushed on the stack | SP is decremented by 1 | SP is decremented by 2 | SP is decremented by 3 | SP is decremented by 4 | B |
| 24 | When a very large number is divided by very small number so that the quotient is larger than the space provided, this is called | Divide logical error | Divide overflow error | Divide syntax error | An illegal instruction | B |
| 25 | In the word designated for one screen location, the higher address contains | The character code | The attribute byte | The parameters | The dimensions | B |
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