Q2) Answer the following sentence with (True) or (False) and correct the false answer: 1. CMPS is used with REPE, REPZ, REPNE and REPNZ. 2. Loop instruction is equal to JNZ instruction. 3. SAL and SHL have the same operation. 4. The instruction MOV BX,'B' is allowed. 5. Segment override prefix means we can use any segment register to have the physical address. 6. In CBW, the MSB of AX is copied to all the bits in DX. 7. The following piece of code is used to: LAHF AND AH, FOH Complement PF and CF XOR AH, OFH SAHF 8. In conditional jump, the next instruction is executed if the condition is not met. 9. Assume BL=11H, AX=FFB6 H, the result of executing IDIV BL is AX=FAFD H 10. The instruction queue in the BIU works on LIFO basis.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Q2) Answer the following sentence with (True) or (False) and correct the false
answer:
1. CMPS is used with REPE, REPZ, REPNE and REPNZ.
2. Loop instruction is equal to JNZ instruction.
3. SAL and SHL have the same operation.
4. The instruction MOV BX,'B' is allowed.
5. Segment override prefix means we can use any segment register to have the physical
address.
6. In CBW, the MSB of AX is copied to all the bits in DX.
7. The following piece of code is used to:
Complement PF and CF
LAHF
AND AH, FOH
хOR AH, OFH
SAHF
8. In conditional jump, the next instruction is executed if the condition is not met.
9. Assume BL=11H, AX=FFB6 H, the result of executing IDIV BL is AX=FAFD H
10. The instruction queue in the BIU works on LIFO basis.
Transcribed Image Text:Q2) Answer the following sentence with (True) or (False) and correct the false answer: 1. CMPS is used with REPE, REPZ, REPNE and REPNZ. 2. Loop instruction is equal to JNZ instruction. 3. SAL and SHL have the same operation. 4. The instruction MOV BX,'B' is allowed. 5. Segment override prefix means we can use any segment register to have the physical address. 6. In CBW, the MSB of AX is copied to all the bits in DX. 7. The following piece of code is used to: Complement PF and CF LAHF AND AH, FOH хOR AH, OFH SAHF 8. In conditional jump, the next instruction is executed if the condition is not met. 9. Assume BL=11H, AX=FFB6 H, the result of executing IDIV BL is AX=FAFD H 10. The instruction queue in the BIU works on LIFO basis.
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