Questions

Q:

Which generation of computer is still under development?

A) 5th B) 4th
C) 3rd D) 2nd
 
Answer & Explanation Answer: A) 5th

Explanation:

5th generation of computers are still under development depending on the artificial intelligence.

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Q:

Rise in sugar levels in blood is detected by the cells of:

A) Liver B) Gall bladder
C) Kidney D) Pancreas
 
Answer & Explanation Answer: D) Pancreas

Explanation:
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Q:

Give a circuit to divide frequency of clock cycle by two?

Answer

You can divide the frequency of a clock by just implementing T Flip flop.


Give clock as clock input and tie the T input to logic 1.

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Subject: Hardware

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Q:

What would be the output of the following program?

main()

{

    static int a[20];

    int i = 0;

    a[i] = i++;

    printf ("\n%d%d%d", a[0],  a[1], i);

}

Answer

0  0  1


That's what some of the compilers would give. But some other compiler may give a different answer. The reason is, when a single expression causes the same object to be modified and then inspected the behaviour is undefined.

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Subject: Programming

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Q:

An electron and a proton starting from rest get accelerated through potential difference of 100kV. The final speeds of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct?

A) Ve > Vp B) Ve < Vp
C) Ve = Vp D) Cannot be determined
 
Answer & Explanation Answer: A) Ve > Vp

Explanation:

Both when accelerated through a potential difference of 100KV, they will have the same energy. The mass of the electron is less than the mass of a proton, hence it will move faster(momentum).

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Filed Under: Physics
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Q:

What reacts with oxygen to produce rust?

A) Aluminium B) Silver
C) Copper D) Iron
 
Answer & Explanation Answer: D) Iron

Explanation:

Iron reacts with oxygen in the presence of moisture or water to form a red oxide called rust and the reaction involved is called as Redox reaction.

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Q:

What is the purpose of SQL Profiler in SQL server?

Answer

SQL profiler is a tool to monitor performance of various stored procedures. It is used to debug the queries and procedures. Based on performance, it identifies the slow executing queries. Capture any problems by capturing the events on production environment so that they can be solved.

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Q:

what is the interrupt?

Answer

interrupt is a signal send by external device to the processor so as to request the processor to perform a particular work.


A signal informing a program that an events has occurred. when a program receives an interrupt signal, it takes a specified action (which can be to ignore the signal).

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Subject: Hardware

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