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Technical Questions

Why Technical Knowledge?

In today's employment world, Information Technology plays major role. Technical knowledge along with Aptitude & Reasoning has become the doorway to software companies. When IT is extensively developing day to day, one should definitely acquire technical knowledge aiming to see career growth in software industry.


What in Technical Knowledge?

Programming Languages - to develop front end applications.

Database - to develop and maintain back end/ database applications.

Networking - understanding devices connected in network to communicate with each other as well as other networks.

Hardware - understanding processors, memory storage devices, Input & Output devices and more.

Operating System - to communicate between the software and Hardware in a computer.

Software Testing - the process of evaluating a system with the intend to satisfy specified requirements.


How to prepare for Technical Interviews?

One should be curious to knowledge updates; Software world is that place where you should keep updating with new market technology trends. Get some basic knowledge about all technical concepts as the logic remains same with any language and one can get the ease of working with any language in your company. Thoroughly get updates from your friends, IT magazines, Internet, News, etc. one can get knowledge from real time people through blogs.

Popular Latest Rated
Q:

How many interrupts are there in 8085?

Answer

There are 12 interrupts in 8085.

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Subject: Hardware

0 2060
Q:

what is the clock frequency for 8085?

Answer

3MHz is the maximum clock frequency for 8085.

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Subject: Hardware

0 2060
Q:

What would be the output of the following program assuming that the array beigns at location 1002?

main()

{

   int a[3][4] = {

                            1 , 2 , 3 , 4

                            5,  6 , 7, 8

                            9, 10 , 11, 12

                       };

    Printf ("\n%u %u %u", a[0] + 1, *( a[0] + 1), *( *(a + 0) + 1) );

}

Answer

1004  2  2

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Subject: Programming

1 2057
Q:

Will the following function work?

f1 ( int a, int b )

{

    return ( f2 (20) );

}

f2 ( int a )

{

    return ( a * a );

}

Answer

Yes

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Subject: Programming

0 2049
Q:

What is program counter in 8085?

Answer

Program counter holds the address of either the first byte of the next instruction to be fetched for exectuion or the address of the next byte of a multi byte instruction, which has not beeb completely fetched. in both the cases it gets increnented automatically one by one as the instruction bytes get fetched. Also Program register keeps the address of the next instruction.

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Subject: Hardware

0 2044
Q:

Write an RTL Description for D latch and D flip flop?

Answer

For D latch: always@(enable) q<=d;


For D flip flop: always@(opsedge clock) q<=d; 

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Subject: Hardware

0 2043
Q:

Why paging is used?

Answer

Paging is solution to external fragmentation problem which is to permit the logical address space of a process to be noncontiguous, thus allowing a process to be allocating physical memory wherever the latter is available.

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Subject: Operating Systems

1 2033
Q:

What is logical and physical addresses space?

Answer

Logical address space is generated from CPU; it bound to a separate physical address space is central to proper memory management. Physical address space is seen by the memory unit. Logical address space is virtual address space. Both these address space will be same at compile time but differ at execution time.

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Subject: Operating Systems

1 2032