Q2) Answer the followings: (a) What is the main difference between op code & operand? (b) Assume that the contents of 8086 registers are DS= A248H, CS= 1200H, AX=BC45H, DI=E5C9H, SS=1480H, SI=4B1CH, CX=CF63H] and the contents of memory at specified address are [ (A467FH)=91H, (141FEH)=ABH, (141FFH)=B8H, (A467EH)=D8H]; show the result of executing the following instruction: XCHG SI, [21FEH]
Q2) Answer the followings: (a) What is the main difference between op code & operand? (b) Assume that the contents of 8086 registers are DS= A248H, CS= 1200H, AX=BC45H, DI=E5C9H, SS=1480H, SI=4B1CH, CX=CF63H] and the contents of memory at specified address are [ (A467FH)=91H, (141FEH)=ABH, (141FFH)=B8H, (A467EH)=D8H]; show the result of executing the following instruction: XCHG SI, [21FEH]
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
Related questions
Question
8086 assembly language programming
Machine language
* Addressins modes
* Register addressing
* Direct addressing mode
![[BPJ
EESH
Q2) Answer the followings:
(a) What is the main difference between op code & operand?
(b) Assume that the contents of 8086 registers are DS= A248H, CS= 1200H,
AX=BC45H, DI=E5C9H, SS=1480H, SI=4B1CH, CX=CF63H] and the contents
of
memory at specified address are [ (A467FH)=91H, (141FEH)=ABH,
(141FFH)=B8H, (A467EH)=D8H]; show the result of executing the following
instruction:
XCHG SI, [21FEH]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3c9e7770-c69f-4f3a-96bb-4a863757eef2%2F2571b51d-981a-42ac-9a13-3e6ed5e02208%2F62dc9nv_processed.jpeg&w=3840&q=75)
Transcribed Image Text:[BPJ
EESH
Q2) Answer the followings:
(a) What is the main difference between op code & operand?
(b) Assume that the contents of 8086 registers are DS= A248H, CS= 1200H,
AX=BC45H, DI=E5C9H, SS=1480H, SI=4B1CH, CX=CF63H] and the contents
of
memory at specified address are [ (A467FH)=91H, (141FEH)=ABH,
(141FFH)=B8H, (A467EH)=D8H]; show the result of executing the following
instruction:
XCHG SI, [21FEH]
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