User: Sayali Kulkarni

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Posts by Sayali Kulkarni

<prev • 170 results • page 1 of 17 • next >
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Answer: A: What is meant by deadlock? Describe any three methods to prevent the deadlock.
... **Deadlock**: A deadlock, also called as deadly embrace, is a situation in which two threads are each unknowingly waiting for resource held by other. Deadlock is the situation in which multiple concurrent threads of execution in a system are blocked permanently because of resources requirement that ...
written 1 day ago by Sayali Kulkarni0
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Answer: A: What is inter task communication? Describe the different methods of inter task c
... **1) Intertask communication**: Intertask communication involves sharing of data among task through sharing of memory space, transmission of data etc. It is executed using following mechanism 1. Message queues 2. Pipe 3. Remote procedure calls **1) Message queu ...
written 1 day ago by Sayali Kulkarni0
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Answer: A: List the scheduling algorithm of RTOS. Describe any one scheduling algorithm in
... 1. First in first out 2. Round-robin algorithm 3. Round robin with priority: 4. Shortest job first 5. Non Preemptive multitasking 6. Preemptive multitasking **Explanation:** **1. First in first out:** In first in first out scheduling algorithm the task which are ready to run are ...
written 1 day ago by Sayali Kulkarni0
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Answer: A: With help of neat diagram describe binary semaphore.
... - A binary semaphore can only take two values 0 or 1. - Semaphore value 0 or 1 is used to indicate availability and unavailability respectively. - Consider task 1 and task 2 wanting to access a resource (say printer). - Semaphore is like a key when acquired count is 0. Task A acquires th ...
written 1 day ago by Sayali Kulkarni0
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Answer: A: What is embedded system? Draw the block diagram of an embedded system.
... **Defination**: An Embedded system is a combination of computer hardware and software. As with any electronic system, this system requires a hardware platform and that is built with a microprocessor or microcontroller. The Embedded system hardware includes elements like user interface, Input/output ...
written 1 day ago by Sayali Kulkarni0
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Answer: A: State any two advantages and two applications of an embedded system.
... **Application** Embedded systems play a vital role in our day to day life, starting from home to the computer industry, where most of the people find their job for a livelihood. 1. Consumer electronics : Cam-coders, cameras, mp3 players, DVD players etc. 2. Household applications : Televisio ...
written 1 day ago by Sayali Kulkarni0
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Answer: A: Draw the interfacing of key and LED to 89C51 microcontroller pins P1.0 and P2.0
... ![enter image description here][1] [1]: https://i.imgur.com/vPVOAgJ.jpg **Program** #include< reg51.h> sbit=sw P1^3; //make P1.3 as input sbit led=P3^5; //make P3.5 as output void main (void) { sw=1; led=0; while(1) //repeat loop { if(sw==0) //if switch is close ...
written 1 day ago by Sayali Kulkarni0
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Answer: A: Draw the interfacing of relay with 89C51 microcontroller. Write C language progr
... ![enter image description here][1] [1]: https://i.imgur.com/Jkf0m2C.jpg **Program** #include < reg51.h> sbit relay =P2 0; void ms_delay (unsigned int); //delay function void main(void) { P2=0; //initialize port while(1) //loop forever { relay=1; //relay is on ms_delay ...
written 1 day ago by Sayali Kulkarni0
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Answer: A: Write C language program to rotate stepper motor by 90 degree clockwise. Assume
... Step angle=1.8 degree Total steps required=90/1.8=50 Four step sequence so Count=50/4=12.5=approximately 13 #include< regx51.h> void delay(); void main() { int x; for (x=0;x,13;x++) { P0=0x33; delay(10); P0=0x66; delay(10); P0=0xcc delay(10); P0=0x99; d ...
written 1 day ago by Sayali Kulkarni0
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Answer: A: Draw the interfacing of DC motor with 89C51 microcontroller. Write C language pr
... ![enter image description here][1] [1]: https://i.imgur.com/TaHrTXL.jpg **Program:** #include< reg51.h> sbit CW_DIRECTION=P1^0; //P1.0 for Clock Wise direction sbit CCW_DIRECTION=P1^1; //P1.1 for counter clockwise direction void main(void) { CW_DIRECTION =0; while(1) ...
written 1 day ago by Sayali Kulkarni0

Latest awards to Sayali Kulkarni

Centurion 4 days ago, created 100 posts.
Rising Star 3 months ago, created 50 posts within first three months of joining.