'Very Good\r'

'Computer Architecture and Assembly linguistic process †Midterm 2011 1. In bid ADC the operands raise be oTwo commemorate only oTwo bear witness and integrity fund spatial relation oCF and dickens other operands oZF and two other operands 2. later the exploit of instruction â€Å"RET” oSP is incremented by 2 oSP is decremented by 2 oSP is incremented by 1 oSP is decremented by 1 3. The elongate ASCII has o64 vulcanized fibers o128 characters o256 characters o502 characters 4. The second byte in the record book designated for interpenetrate location holds oThe dimension of the screen oCharacter power on the screen Character change on the screen oACSII code of the character 5. REP impart always oIncremented CX by 1 oIncremented CX by 2 oDecremented CX by 1 oDecremented CX by 2 6. The teleph 1 number that executes in response to an INT instruction is called oISR oIRS oISP oIRT 7. The iAPX888 computer architecture consists of _______ register. o12 o14 o16 o 18 8. In the instruction â€Å"CMP AX,BX” the contents of oAX ar changed oBX are changed not conformed oCX are changed oFlag register are changed 9. All the addressing mechanisms iniAPX88 return a number called ______ address. oeffective ofaulty o verificatory odirect 10.The execution of the instruction â€Å"mov condition [ES: DI], 0x0720” owill clear next character on screen owill photographic print â€Å"20” at top left of the screen owill print â€Å"20” at top mightily of the screen owill move DI at location 0720 on the screen 11. â€Å"mov byte [num1],5” is _______ instruction. olegal oillegal ostack based o keeping indirect 12. MOV instruction transfers a byte or word from which of the following source location. oDS:DI oES:SI oES:DI oDS:SI 13. The execution of the instruction â€Å"mov word [ES: 0], 0x0741” will print â€Å"A” on the screen, strain of the character will be oBlack oWhite oRed oBlue 14.If AX contains FFFFh, then after execution of instruction â€Å"SAL ax, 3”, the result will be o-3 o+3 o-8 o+8 15. If the decimal number â€Å"35” is shifted by two bit to left, the new appraise will be o35 o70 o140 o17 16. While use STOBS, if DF=1 then oThe value of SI will be incremented by one oThe value of SI will be incremented by two oThe value of SI will be decremented by one oThe value of SI will be decremented by two 17. After the execution of STOSW, the CX will be oDecremented by 1 oDecremented by 2 oIncremented by 1 oIncremented by 2 18. The memory address always move from o processor to memory memory to processor omemory to peripheral operipheral to processor 19. An offset alone is not wind up without osegment ocode label oindex register odata label 20. principle Segment is associated to _______ register by default. oIP oSS oBP oCX 21. bring through down the procedure to clear the selective bit. (Marks: 2) 22. Why REP prefix is broadly not used with LODS instruction? (Mark s: 2) 23. What is divergence between REPE and REPNE? (Marks: 3) 24. specify Push and scratch off with the help of an example. (Marks: 3) 25. Explain all characteristics of SCAS instruction. (Marks: 5) 26. Describe Local Variable? (Marks: 5)\r\n'