Real time operating system, Operating System

Assignment Help:

PART A

Question 1

Using your own words, explain what a continuous random variable and a continuous probability density function are. Give examples.

Question 2

Given that x is a continuous random variable, with the probability density function

F(x) =1/2-x/8, 0x < 3.

Question 3

A set of final examination marks in an accounting course appear to be normally distributed with a mean of 64 and a standard deviation of 8.

a) What is the probability of getting a mark of 75 or less on this exam?

b) What is the probability of getting a mark of more than 85 on this exam?

c) What is the probability of students scoring between 85 and 100?

d) 70% of the students have a mark higher than what mark?

e) 25% of the students have a mark less than what mark?

PART B

Question 1

List the basic functions of an operating system.

Question 2

Explain what virtual memory is. Give an example of a program that may need a lot of memory for data.

Question 3

What is multi-tasking and multi-programming? Explain the difference.

Question 4

What is a Real Time Operating System? Explain.

Question 5

What is the difference between application software and system software?

Related Discussions:- Real time operating system

What is the use of the command interpreter, Q. What is the use of the comma...

Q. What is the use of the command interpreter? Why is it generally separate from the kernel? Answer: It reads commands from the user or else from a file of commands and execu

Example of semaphore, For example, by initializing a semaphore to 0, thread...

For example, by initializing a semaphore to 0, threads can wait for an event to occur, and impose an ordering constraint, similar to a monitor using condition variables, but with m

Unix, what is difference between file descriptor and file pointer?

what is difference between file descriptor and file pointer?

Linux, shell script that accepts two directory names as arguments and delet...

shell script that accepts two directory names as arguments and delete those file in the second directory that are identical to the file in the first

What are the system components of an operating system, What are the system ...

What are the system components of an operating system and explain them? a) Process management b) Main-memory management c) I/O management d) File management e) Seco

Objectives and functions of an operating system, Question: a) What is ...

Question: a) What is an Input/Output module and what are the five categories their functions fall into? b) What is an Operating System? Briefly describe the two objectives

Optimal replacement policy, The optimal replacement policy, called OPT, is ...

The optimal replacement policy, called OPT, is to evict the page which will be accessed farthest into the future. Since we can't predict the future precisely, we can't implement OP

Page-table lookups, How exactly is a page table used to look up an address?...

How exactly is a page table used to look up an address? The CPU has a page table base register (PTBR)which points to the base (entry 0) of the level-0 page table. Each process h

What is the use of inter process communication, What is the use of inter pr...

What is the use of inter process communication. Inter process communication gives a mechanism to allow the co-operating process to communicate with each other and synchronies t

Explain User-level threads (ult), USER-LEVEL THREADS (ULT) In this lev...

USER-LEVEL THREADS (ULT) In this level the kernel isn't aware of the existence of threads -- All thread management is complete by the application by using a thread library. Th

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages