Sawaal
  • Home/
  • Searching for ING

 Searching for "ING"

Q:

In a throw of a coin, find the probability of getting a head.

A) 1 B) 1/2
C) 1/4 D) 0.1
 
Answer & Explanation Answer: B) 1/2

Explanation:

Here, s={H,T} and E={H}
P(E) = n(E)/n(S) = 1/2

Report Error

View Answer Report Error Discuss

Filed Under: Probability

Q:

What are the disadvantages of context switching?

Answer

Time taken for switching from one process to other is pure over head. Because the system does no useful work while switching. So one of the solutions is to go for threading when ever possible.

Report Error

View answer Workspace Report Error Discuss

Subject: Operating Systems

Q:

One card is drawn from deck of 52 cards, each of the 52 cards being equally likely to be drawn. Find the probability that the ball drawn is red.

A) 1/3 B) 1/2
C) 1/4 D) 1/6
 
Answer & Explanation Answer: B) 1/2

Explanation:

Total number of elementary events = 52

 

There are 26 red cards,out of which one red card can be drawn in 26C1 ways =26.

 

So,required probability = 26/52 = 1/2

Report Error

View Answer Report Error Discuss

Filed Under: Probability

Q:

 I. A. B, C. D, E and F are six members of a family. 

 II. One couple has parents and their children in the family. 

 III. A is the son of C and E is the daughter of A. 

 IV. D is the daughter of F who is the mother of E. 

 Which of the following pairs is the parents of the couple ? 

A) AB B) BC
C) AF D) CF
 
Answer & Explanation Answer: B) BC

Explanation:

E is the daughter of A and F is the mother of E So, A is the father of E and hence the husband of F. Now,

D is the daughter of F So. D and E are the daughters of A and F Also. A is the son of C. 

Now, only B remains Thus. B and C are the parents of A. 

Clearly. B and C are the parents of the couple 

Report Error

View Answer Report Error Discuss

Filed Under: Blood Relations

Q:

Which of the following is true ?

A) A is brother of F. B) A is sister of F.
C) D has two grandsons. D) None of these.
 
Answer & Explanation Answer: D) None of these.

Explanation:

The sex of A is not known. So. neither (a) nor (b) is definitely true. Clearly, D is the grandmother of A and F. 

 

Report Error

View Answer Report Error Discuss

Filed Under: Blood Relations

Q:

What is context switching?

Answer

Transferring the control from one process to other process requires saving the state of the old process and loading the saved state for new process. This task is known as context switching.

Report Error

View answer Workspace Report Error Discuss

Subject: Operating Systems

Q:

A is the brother of B. B is the brother of C. D is the father of A. Based on these three statements, which of the following statements cannot be definitely true ?

A) B is the brother of A. B) B is the son of D.
C) A is the brother of C. D) C is the brother of A.
 
Answer & Explanation Answer: D) C is the brother of A.

Explanation:

A is the brother of B and B is the brother of C. So, C may be the brother or sister of A. 

 

Report Error

View Answer Report Error Discuss

Filed Under: Blood Relations

Q:

What are the different types of Real-Time Scheduling?

Answer

Hard real-time systems required to complete a critical task within a guaranteed amount of time.
Soft real-time computing requires that critical processes receive priority over less fortunate ones.

Report Error

View answer Workspace Report Error Discuss

Subject: Operating Systems