Student Name
Roll No
Course Title:
Microprocessor Theory & interface
Course Instructor:
Semester:
4
th
Ms. Saba Mahmood
Batch:
Due Date
1st
University:
BZU Lahore Campus
Program Name:
16-2-15
BSET
Marks:
50
Assignment # 1
1.
Describe the advantages of distributed processing computer system over time sharing system?
2.
Describe the sequence of signals that occurs on the address bus, control bus and on the data bus
when a simple microcomputer fetches an instruction?
3.
What determines whether a microprocessor is considered an 8-bit, 16-bit or 32-bit device?
4.
How many address lines does an 8086 have?
a)
How many memory addresses are accessible through these number of lines?
b)
At any given time 8086 works with four segments in this address space. How many bytes
are contained in each segment?
5.
What is the main difference between 8086 and 8088?
6.
Describe the function of 8086 queue?
7.
If the code segment for 8086 program starts at address 70400H, what number will be in CS
register?
a)
Assuming the same code segments contents what physical address will be an instruction
fetched from if instruction pointer contains 539CH?
8.
What physical address is represented by
a) 4370:561EH
b) 7A32:0028H
9.
What is the advantage of using CPU register over memory location for storage of data?
10. If the stack segment register contains 3000Hand stack pointer register contains 8434H what is
the physical address of top of the stack?
11. What is the advantage of using assembly language instead of writing program directly in
machine language?
a) Describe operation that 8086 will perform when it executes ADD AX, BX?
12. What types of program are usually written in assembly language?
13. Write 8086 assembly language statement which will perform following function?
a) Load the number 7986H into BP register.
b) Copy BP contents into SP.
c) Copy contents of AX to DX.
14.
If an 8086 execution unit calculates an effective address of 14A3H and DS contain 7000H
what physical address BIU produce?
15.
If data segment register contains 4000H what physical address will the instruction MOV
AL,[234BH] read?
16.
If 8086 data segment registers contains 7000Hwrite the instruction that will copy the contents
of DL to address74B2CH?
17.
Describe the difference between instruction MOV AX, 2437H and MOV AX,[2437H]?