Guru Gobind Singh Indraprastha Vishwavidyalaya 2008 B.E Computer Science Microprocessor - Question Paper
Second internal paper OF microprocessor 2008
This is the 2nd interna paper of digital signal processing.
(Please write x-our Roll No immediately) Roll No ..5?.
Second Term Examination
6 Semester [H. I eoh | April 7th 2008
Paper Code ETCS 302 Sub: Microprocessor System
Time: 1 *A Max. Marks:30
Note: Attempt Q.No. I which is compulsoryand any two more questions from the remaining.
Q.No,! (2.5*4-10)
stj Explain ihe following assembler directives ASSUME. 1)1 (b) Explain the status word format of 8279.
( cVDcscribc and illustrate the control word formal of Intel 8255 in BSR mode. ijX) List in general terms the steps an 8086 will take when it responds to an interrupt.
Q.No.2 (aDnaw the read and write cycle timing diagrams of 8086 in minimum mode. (5)
(o) Draw and explain the internal structure of Intel 8259. (5)
Q.No.3. WAP to add a data byte located at oflset 0500H in 2000H segment to another byte available at 0600H in 3000H segment and store the result at 0700H in SOOOH segment. (!0)
(5)
(5)
Q.No.4 (a) Explain the modes of Intel 8255.
(b) Draw- and explain the block diagram of Intel 8253.
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