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Question Bank Solutions for HSC Science (Computer Science) 12th Board Exam - Maharashtra State Board - Computer Science 2

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.............is a Micro-controller.
(i) 8086
(ii) 8051
(iii) 8088
(iv) 80286

[1] Introduction to Microprocessors and Organization of 8085
Chapter: [1] Introduction to Microprocessors and Organization of 8085
Concept: Introduction to Microprocessors and Organization of 8085

..............instruction does not affect the Flag.
(i) RAR
(ii) CMP C
(iii) XRA
(iv) MOV A,B

[2] Instruction Set and Programming of 8085
Chapter: [2] Instruction Set and Programming of 8085
Concept: Instruction Set and Programming of 8085

If length of cable is very long then ................ is used in between to bring the weakend signal to its original level.
(i) MODEM
(ii) HUB
(iii) REPEATER
(iv) ROUTER

[5] Networking Technology
Chapter: [5] Networking Technology
Concept: Networking Technology

.....................instruction is used for 16-bit addition.
(i) ADD
(ii) ADI
(iii) ADC
(iv) DAD

[2] Instruction Set and Programming of 8085
Chapter: [2] Instruction Set and Programming of 8085
Concept: Instruction Set and Programming of 8085

Differentiate between Micro-controller and a Micro-processor

 

[4] Introduction to Microcontroller
Chapter: [4] Introduction to Microcontroller
Concept: Introduction to Microcontroller

Explain Accumulator.

[2] Instruction Set and Programming of 8085
Chapter: [2] Instruction Set and Programming of 8085
Concept: Instruction Set and Programming of 8085

Explain Program counter.

[2] Instruction Set and Programming of 8085
Chapter: [2] Instruction Set and Programming of 8085
Concept: Instruction Set and Programming of 8085

Explain Stack pointer (SP).

[2] Instruction Set and Programming of 8085
Chapter: [2] Instruction Set and Programming of 8085
Concept: Instruction Set and Programming of 8085

Write a short note on MODEM.

[5] Networking Technology
Chapter: [5] Networking Technology
Concept: Networking Technology

______Instruction would not affect Zero Flag.

(i) XRA A

(ii) SUB A

(iii) CMPA

(iv) MVI A, 00H

[2] Instruction Set and Programming of 8085
Chapter: [2] Instruction Set and Programming of 8085
Concept: Instruction Set and Programming of 8085

Explain the function of following pins of 8085
(i) HLDA
(ii) SID
(iii) READY

[1] Introduction to Microprocessors and Organization of 8085
Chapter: [1] Introduction to Microprocessors and Organization of 8085
Concept: Introduction to Microprocessors and Organization of 8085

Discuss in brief the members of X-86 Family begining from 80386 and upwards.

[3] Introdcution to Inted X-86 Family
Chapter: [3] Introdcution to Inted X-86 Family
Concept: Introdcution to Intel X-86 Family

Draw the memory register map of Micro-controller 8051.

[4] Introduction to Microcontroller
Chapter: [4] Introduction to Microcontroller
Concept: Introduction to Microcontroller

Data bus of 80286 MPU is of size_____

(i) 8 bit

(ii) 16 bit

(iii) 32 bit

(iv) 64 bit

[3] Introdcution to Inted X-86 Family
Chapter: [3] Introdcution to Inted X-86 Family
Concept: Introdcution to Intel X-86 Family

Draw the labelled internal block diagram of 8085 Microprocessor

[2] Instruction Set and Programming of 8085
Chapter: [2] Instruction Set and Programming of 8085
Concept: Instruction Set and Programming of 8085

_____is used to store 8 bit opcode in 8085.

(i) IR

(ii) PC

(iii) SP

(iv) Accumulator

[1] Introduction to Microprocessors and Organization of 8085
Chapter: [1] Introduction to Microprocessors and Organization of 8085
Concept: Introduction to Microprocessors and Organization of 8085

The device used to extend cable length of a network is______.

(i) MODEM

(ii) REPEATER

(iii) HUB

(iv) ROUTER

[5] Networking Technology
Chapter: [5] Networking Technology
Concept: Networking Technology

Draw block diagram of Generic Microprocessor.

[1] Introduction to Microprocessors and Organization of 8085
Chapter: [1] Introduction to Microprocessors and Organization of 8085
Concept: Introduction to Microprocessors and Organization of 8085

Explain in brief programming model of X-86 Family.

[1] Introduction to Microprocessors and Organization of 8085
Chapter: [1] Introduction to Microprocessors and Organization of 8085
Concept: Introduction to Microprocessors and Organization of 8085

State any six features of 8051 Microcontroller.

[4] Introduction to Microcontroller
Chapter: [4] Introduction to Microcontroller
Concept: Introduction to Microcontroller
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