हिंदी

Computer Science 2 Official Board Paper 2023-2024 HSC Science (Computer Science) 12th Standard Board Exam Question Paper Solution

Advertisements
Computer Science 2 [Official Board Paper]
Marks: 50 Maharashtra State Board
HSC Science (Computer Science)

Academic Year: 2023-2024
Date & Time: 5th August 2024, 11:00 am
Duration: 3h
Advertisements

Instructions:

  1. All questions are compulsory.
  2. Figures to the right indicate full marks.
  3. Use of any type of calculator not allowed.
  4. Draw a neat diagram wherever necessary.

Select the correct alternative and rewrite the following.
[1]1. (A) (a)

______ has highest priority in following interrupts.

RST 7.5

RST 6.5

TRAР

INTR

Concept: undefined - undefined
Chapter:
[1]1. (A) (b)

The highest order register of register pair PSW is ______ registor.

A

H

Flag

SP

Concept: undefined - undefined
Chapter:
[1]1. (A) (c)

Micro-controller 8052 ______ has bytes of ROM.

4KB

8KB

2KB

16KВ

Concept: undefined - undefined
Chapter:
[1]1. (A) (d)

The rang of network cabling is extended by ______.

MODEM

REPEATER

ROUTER

HUB

Concept: undefined - undefined
Chapter:
Answer any two of the following.
[1]1. (B) (a) (i)

Explain the function of the following pins of 8085 Micro-processor:

RST 5.5

Concept: undefined - undefined
Chapter:
[1]1. (B) (a) (ii)

Explain the function of the following pins of 8085 Micro-processor:

HOLD

Concept: undefined - undefined
Chapter:
[1]1. (B) (a) (iii)

Write the function of following pin in 8085 Microprocessor:

`bar(WR)`

Concept: undefined - undefined
Chapter:
[3]1. (B) (b)

Write any three applications of Micro-controllers.

Concept: undefined - undefined
Chapter:
[1]1. (B) (c) (i)

Write any two advantages of the following Network Topologies:

STAR

Concept: undefined - undefined
Chapter:
[1]1. (B) (c) (ii)

Write any two advantages of the following Network Topologies:

BUS

Concept: undefined - undefined
Chapter:
[1]1. (B) (c) (iii)

Write any two advantages of the following Network Topologies:

RING

Concept: undefined - undefined
Chapter:
Answer any two of the following:
[1]2. (A) (a) (i)

The accumulator of the 8085 microprocessor contains data BEH and register B contains data 46H. What will be the content of the accumulator in hexadecimal after execution of the following instruction independently:

RLC?

Concept: undefined - undefined
Chapter:
[1]2. (A) (a) (ii)

The accumulator of the 8085 microprocessor contains data BEH and register B contains data 46H. What will be the content of the accumulator in hexadecimal after execution of the following instruction independently:

ORI 79H

Concept: undefined - undefined
Chapter:
[1]2. (A) (a) (iii)

The accumulator of the 8085 microprocessor contains data BEH and register B contains data 46H. What will be the content of the accumulator in hexadecimal after execution of the following instruction independently:

ANA B

Concept: undefined - undefined
Chapter:
[1]2. (A) (b) (i)

What is Flag Register?

Concept: undefined - undefined
Chapter:
[2]2. (A) (b) (ii)

Explain any four flags of 8085, giving examples.

Concept: undefined - undefined
Chapter:
[1]2. (A) (c) (i)

Explain the following characteristics of transmission media:

Cost of Media

Concept: undefined - undefined
Chapter:
Advertisements
[1]2. (A) (c) (ii)

Explain the following characteristics of transmission media:

Band width

Concept: undefined - undefined
Chapter:
[1]2. (A) (c) (iii)

Explain the following Transmission Media characteristics:

Attention

Concept: undefined - undefined
Chapter:
Answer any one of the following:
[4]2. (B) (a)

Draw a labeled functional block diagram of micro-processor 8085.

Concept: undefined - undefined
Chapter:
[4]2. (B) (b)

Write any eight functions of the Microcontroller 8051.

Concept: undefined - undefined
Chapter:
Answer any two of the following:
[3]3. (A) (a)

Write three primary functions of the CPU of a microcomputer.

Concept: undefined - undefined
Chapter:
[1]3. (A) (b) (i)

Explain the following instruction of Micro-processor 8085 with an example:

CMP M

Concept: undefined - undefined
Chapter:
[1]3. (A) (b) (ii)

Explain the following instruction of Micro-processor 8085 with an example:

STA addr

Concept: undefined - undefined
Chapter:
[1]3. (A) (b) (iii)

Explain the following instruction of Micro-processor 8085 with an example:

ADD r

Concept: undefined - undefined
Chapter:
[1]3. (A) (c)

Compare any three characteristics of Co-axial and Fibre-optics cable.

Concept: undefined - undefined
Chapter:
Answer any one of the following:
[1]3. (B) (a) (i)

Describe the following registers of the 8085 Micro-processor:

Program Counter

Concept: undefined - undefined
Chapter:
[1]3. (B) (a) (ii)

Describe the following registers of the 8085 Micro-processor:

Instruction Register

Concept: undefined - undefined
Chapter:
[1]3. (B) (a) (iii)

Describe the following registers of the 8085 Micro-processor:

Stack Pointer

Concept: undefined - undefined
Chapter:
[1]3. (B) (a) (iv)

Describe the following registers of the 8085 Micro-processor:

Accumulator

Concept: undefined - undefined
Chapter:
[1]3. (B) (b) (i)

Explain the following advanced feature of the Pentium processor:

Dual pipelining

Concept: undefined - undefined
Chapter:
[1]3. (B) (b) (ii)

Explain the following advanced feature of the Pentium processor:

On-chip Cache Memory

Concept: undefined - undefined
Chapter:
[1]3. (B) (b) (iii)

Explain the following feature of Pentium Microprocessor:

Branch Prediction

Concept: undefined - undefined
Chapter:
[1]3. (B) (b) (iv)

Explain the following feature of Pentium Microprocessor:

64-bit data bus

Concept: undefined - undefined
Chapter:
Advertisements
Answer any two of the following:
[1]4. (A) (a) (i)

Explain the following addressing mode of the 8085 Microprocessor with one example:

Register Addressing Mode

Concept: undefined - undefined
Chapter:
[1]4. (A) (a) (ii)

Explain the following addressing mode of the 8085 Microprocessor with one example:

Direct Addressing Mode

Concept: undefined - undefined
Chapter:
[1]4. (A) (a) (iii)

Explain the immediate addressing mode of 8085 Micro-processor with examples.

Concept: undefined - undefined
Chapter:
[1]4. (A) (b) (i)

What is a subroutine?

Concept: undefined - undefined
Chapter:
[2]4. (A) (b) (ii)

How are subroutines called? Explain with an example.

Concept: undefined - undefined
Chapter:
[3]4. (A) (c)

Explain any three generations of Micro-processor with one example of each generation.

Concept: undefined - undefined
Chapter:
Answer any one of the following:
[1]4. (B) (a) (i)

Explain use of the following network connectivity devices in the communication system:

MODEM

Concept: undefined - undefined
Chapter:
[1]4. (B) (a) (ii)

Explain use of the following network connectivity device in the communication system:

REPEATER

Concept: undefined - undefined
Chapter:
[1]4. (B) (a) (iii)

Explain use of the following network connectivity device in the communication system:

ROUTER

Concept: undefined - undefined
Chapter:
[1]4. (B) (a) (iv)

Explain use of the following network connectivity device in the communication system:

HUB

Concept: undefined - undefined
Chapter:
[1]4. (B) b) (i)

What is Networking?

Concept: undefined - undefined
Chapter:
[1]4. (B) b) (ii)

Differentiate between LAN and WAN.

Concept: undefined - undefined
Chapter:
Answer any two of the following:
[5]5. (a)

Write an Assembly Language Program to count the number of even data bytes occurring in a block stored from memory location CO30H to CO37H. Store the count at memory location CO38H.

Concept: undefined - undefined
Chapter:
[5]5. (b)

Write an Assembly Language Program to multiply two one byte data stored at memory location CO60H and CO61H. Store the two byte result starting with memory location CO62H.

Concept: undefined - undefined
Chapter:
[5]5. (c)

Write an Assembly Language Program to add two 16-bit numbers. The first 16-bit number is stored from memory location CO40H and CO41H. The second 16-bit number is stored from memory location CO42H and CO43H. Store the three byte result starting from memory location CO50H.

Concept: undefined - undefined
Chapter:
OR
Answer any two of the following:
[5]5. (a)

Write an Assembly Language Program to exchange the contents of two blocks of data. First block is stored from memory location CO20H to CO24H. The second block is stored from CO70H to CO74H.

Concept: undefined - undefined
Chapter:
[5]5. (b)

Write an Assembly Language Program to subtract two one-byte data stored at memory locations CO30H and CO31H. Store the absolute difference at memory location CO32Н.

Concept: undefined - undefined
Chapter:
[5]5. (c)

Write an Assembly Language Program to count the number of 1’s data byte stored at memory location C030H. Store the count at memory location C031H.

Concept: undefined - undefined
Chapter:

Submit Question Paper

Help us maintain new question papers on Shaalaa.com, so we can continue to help students




only jpg, png and pdf files

Maharashtra State Board previous year question papers 12th Standard Board Exam Computer Science 2 with solutions 2023 - 2024

     Maharashtra State Board 12th Standard Board Exam Computer Science 2 question paper solution is key to score more marks in final exams. Students who have used our past year paper solution have significantly improved in speed and boosted their confidence to solve any question in the examination. Our Maharashtra State Board 12th Standard Board Exam Computer Science 2 question paper 2024 serve as a catalyst to prepare for your Computer Science 2 board examination.
     Previous year Question paper for Maharashtra State Board 12th Standard Board Exam Computer Science 2-2024 is solved by experts. Solved question papers gives you the chance to check yourself after your mock test.
     By referring the question paper Solutions for Computer Science 2, you can scale your preparation level and work on your weak areas. It will also help the candidates in developing the time-management skills. Practice makes perfect, and there is no better way to practice than to attempt previous year question paper solutions of Maharashtra State Board 12th Standard Board Exam.

How Maharashtra State Board 12th Standard Board Exam Question Paper solutions Help Students ?
• Question paper solutions for Computer Science 2 will helps students to prepare for exam.
• Question paper with answer will boost students confidence in exam time and also give you an idea About the important questions and topics to be prepared for the board exam.
• For finding solution of question papers no need to refer so multiple sources like textbook or guides.
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×