Power point presentation on AI, AI Models, Tools, Types of AI, AI projects, AI Technologies

M.Sc Computer Science Krishna University Sem -3 Data Science Lab Record

REFRESHER COURSE IN COMPUTER SCIENCE YOUTUBE LINKS

 CLOUD

https://www.youtube.com/watch?v=M-13NVkTTzM

https://www.youtube.com/watch?v=Qb6L9i2b0sk

https://www.youtube.com/watch?v=5q7-Rf9y2lQ

https://drive.google.com/file/d/1Et39IY48XjLHmSRPQxIe1ghBuSkZVkVc/view

https://www.youtube.com/watch?v=eEQg_m_lXVo

AUGMENTED REALITY :

https://www.youtube.com/watch?v=3oOSYfMDVFM&t=3s

https://www.youtube.com/watch?v=gVB97H_VP5s

nlp

https://www.youtube.com/watch?v=0NkSPJUBwJo

https://www.youtube.com/watch?v=3IAmlWhpWtc

https://www.youtube.com/watch?v=w17hhPAXdas

IOT:

https://www.youtube.com/watch?v=YR1zKl6tnrM

ml

https://www.youtube.com/watch?v=eZDAZcXPJ0U

https://www.youtube.com/watch?v=q14CQPkxdt4

https://www.youtube.com/watch?v=VCDb0MHTM7Y

https://www.youtube.com/watch?v=omeEjvwjh3g

https://www.youtube.com/watch?v=fSpXmdTHNZs

BLOCK CHAIN

https://www.youtube.com/watch?v=dBOeXgi_JFk

QUANTING COMPUTING

https://www.youtube.com/watch?v=T8NebqqHLW0

CYBER PANDEMIC

https://www.youtube.com/watch?v=qA9Sg9DWdgA

https://www.youtube.com/watch?v=i97bw12FkRE

M.Sc Computer Science Krishna University Data Science Notes

life cycle of a thread notes

 A thread life cycle is always in one of these five states. It can move from one state to another state. In Java, the life cycle of thread has five states.

1. Newborn State

2. Runnable State

3. Running State

4. Blocked State

5. Dead State

1. New : A thread begins its life cycle in the new state. It remains in this state until the start() method is called on it.
   Thread t = new Thread();

2. Runnable : After invocation of start() method on new thread, the thread becomes runnable.
   Thread t = new Thread();
   t.start();

3. Running : A thread is in running state if the thread scheduler has selected it.

t1.isAlive() - The isAlive() method returns true if the thread upon which it is called is still running otherwise it returns false.

4. Waiting : A thread is in waiting state if it waits for another thread to perform a task. In this stage the thread is still alive.

Example1:   t1.join() waiting for t1 to complete its execution

Example2:   The state of thread t1 after invoking the method sleep() on it - TIMED_WAITING

Thread.sleep(400);

5. Terminated : A thread enters the terminated state when it completes its task.

t1.stop()

Deadlock Recovery

 deadlock recovery techniques like wound-wait and wait-die are used to handle situations where processes are waiting for resources, and a deadlock might occur. Let's break them down:

Wound-Wait:

Think of it like being a bit impatient. If a process needs a resource held by another process, it checks the age or "wound" of the other process.

If the other process is "younger" (started later), then the current process waits.

If the other process is "older" (started earlier), the current process can "wound" it, meaning it can force the older process to release its resources, preventing a deadlock.

Wait-Die:

This approach is more patient. If a process needs a resource held by another process, it checks the age or "age difference" between them.

If the other process is "younger," the current process waits.

If the other process is "older," the current process can "die," meaning it gives up and gets restarted, allowing the older process to continue and preventing a deadlock.

In both cases, the idea is to avoid deadlocks by carefully managing how processes interact.