Download SGBAU BCA 2019 Summer 3rd Sem Electronics Question Paper

Download SGBAU (Sant Gadge Baba Amravati university) BCA 2019 Summer (Bachelor of Computer Applications) 3rd Sem Electronics Previous Question Paper

Avv?l 8 [)4
B.C.A. (Part--Il) Scmcster?III Examination
BS'I?S : ELECTRONICS
Time : Three Hours] [Maximum Marks : 60
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NB. :? (1) All questions are compulsory.
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(2) All questions carry equal marks.
Draw block diagram of microcomputer system and explain the functions of each block.
6
Explain instruction format of 8085 microprocessor. 6
0R
Draw and explain timing diagram ofmcmory read bus cycle. 6
What is Flag ? Explain the functions ol'diftbrcnt ?ags of 8085 microprocessor with suitable
diagram. 6
Write an ALP using 8085 mp for multiplication oftwo 8 bit numbers and draw flow chart.
6
Explain stack and stack pointer with suitable example. 6
OR
Give the classi?cation of instruction set and explain the arithmetic group of instmction with
suitable example. 6
What is addressing mode ?? List the addressing modes of 8085. Explain any two modes with
suitable example. 6
Explain synchronous and asynchronous data transfer scheme. 6
Explain control word format in 1/0 and BSR mode of 8255 PM with suitable diagram.
6
0R
Differentiate between memory mapped 1/0 and 1/0 mapped I/O scheme. 6
Draw the block diagram of 8255 PM and explain the function 01' each block. 6
Explain the status ?ag of 8086 microprocessor. 6
Explain the following :
(i) Poin er register
(ii)? Index register
(iii) Segment register. 6
0R
Draw and explain pin diagram of 8086 microprocessor. 6
Explain operating modes 01'8086 microprocessor. 6
Explain various addressing modes of 8086 microprocessor with suitable example. 6
Write ALP for subtraction oftwo 8-bit numbers and draw ?ow chart. 6
0R
Write ALP using 8086 mp for multiplication of two numbers and draw ?ow chart. 6
Explain the following instmctions :
(i) MOV
(ii) LDS
(iii) POP 6
YBC? 15368 225

This post was last modified on 10 February 2020