These Hsc cs Important Questions are very important for Maharashtra Board HSC students of Computer Science. Introduction to Microprocessor 8085 this CHP has a total weightage of 16 to 20 Marks.
Don’t forget to prepare last moment notes for the following questions. It will really help you a day before the exam.
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Q1) Explain the given functions of the pin of Intel 8085 (Very Imp)
1) ALE
2) SID
3) CLK
4) SOD
5) WR
6) IO/M
7) RESET OUT
8) HOLD
9) INTR
10) RESET IN
11) HLDA
12) READY
13) RST 7.5
14) SID
15) x1 x2
16) AD0 – AD7
17) A8 – A15
18) RD
Q2 Explain direct and immediate addressing modes of Intel 8085 with suitable examples
Q3 Draw a bit pattern of the flag register of Intel 8085 and write the functions of any four flags
Q4 Explain the function of ALU with a simple block diagram
Q5 Explain Multiplexed Address and data Bus of 8085 MPU
Q6 Write the addressing mode and length in bytes of the following instructions
1) CPI 10H
2) MOV M, B
3) SHLD C009H
Q7 What is Vectored Interrupt? State the different hardware interrupts with their priorities and branching addresses. (Very Imp)
Q8 Write any three different points between Memory Mapped I/O and I/O Mapped
Q9 What is Microprocessor? List the functions of the Microprocessor
Q10 Write a function of the following functional units of the 8085 Microprocessor
1) instruction Decoder
2) General Purpose Register
3) Data/Address Buffer
4) Status – Register
Q11 What do you mean by Interrupt? List all the software Interrupts of Intel 8085
Q12 Explain in brief the programming model of the X-86 family
These are the hsc cs important questions. Do all the questions. If you have extra time do all the remaining questions also.
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