Technical Questions

Q:

How does the browser know to go to a certain IP address When you enter a domain like google.com?

Answer

When we enter a URL such as google.com then It searches through local DNS cache, if nothing is there, it queries the ISP's DNS server to resolve the URL.

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Subject: Hardware

0 1767
Q:

Point out the error, if any, in the following program.

main()

{

    int i = 4, j = 2;

    switch(i)

    {

     case 1 :

       printf (''\n To err is human, to forgive is against company policy.");

        break;

      case j :

       printf (''\n if you have nothing to do, don't do it here.");

       break;

    }

}

Answer

Constant expression required in the second case, we cannot use j.

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Subject: Programming

0 1766
Q:

How would you eliminate the warning generated on complaining the following program?

main()

{

  char far *scr;

  scr = 0xB8000000;

  *scr = 'A';

}

Answer

Use the typecast scr = (char far *) 0xB8000000;

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Subject: Programming

0 1762
Q:

What is an idle thread?

Answer

The special thread a dispatcher will execute when no ready thread is found.

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1 1760
Q:

What is the difference between Compiler and Interpreter?

Answer

An interpreter reads one instruction at a time and carries out the actions implied by that instruction. It does not perform any translation. But a compiler translates the entire instructions.

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1 1740
Q:

The Microsoft Access wildcards are ____ and ____ .

A) asterisk (*); percent sign (%)   B) percent sign (%); underscore (_)  
C) underscore(_); question mark (?) D) question mark (?); asterisk (*)
 
Answer & Explanation Answer: D) question mark (?); asterisk (*)

Explanation:
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Filed Under: Operating Systems
Exam Prep: Bank Exams
Job Role: IT Trainer

10 1622
Q:

The FROM SQL clause is used to 

A) specify what table we are selecting or deleting data FROM B) specify search condition  
C) specify range for search condition   D) None of these
 
Answer & Explanation Answer: A) specify what table we are selecting or deleting data FROM

Explanation:
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Filed Under: Database

4 1620
Q:

In blanking operation clearance is provided on

A) Punch B) Either on punch or die depending upon designer's choice
C) Die D) Half on the punch and half on the die
 
Answer & Explanation Answer: A) Punch

Explanation:
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Filed Under: Hardware
Exam Prep: AIEEE

3 1272