Sawaal
  • Home/
  • Technical Questions

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:

 A DBMS that combines a DBMS and an application generator is ________ .

A) Microsoft's SQL Server B) Microsoft's Access
C) IBM's DB2 D) Oracle Corporation's Oracle
 
Answer & Explanation Answer: B) Microsoft's Access

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Database

31 22011
Q:

Explain Belady's Anomaly?

Answer

Also called FIFO anomaly. Usually, on increasing the number of frames allocated to a process virtual memory, the process execution is faster, because fewer page faults occur. Sometimes, the reverse happens, i.e., the execution time increases even when more frames are allocated to the process. This is Belady's Anomaly. This is true for certain page reference patterns.

Report Error

View answer Workspace Report Error Discuss

Subject: Operating Systems

36 21107
Q:

 Which of the following is the original purpose of SQL?

A) To specify the syntax and semantics of SQL data definition language B) To specify the syntax and semantics of SQL manipulation language
C) To define the data structures D) All of the above.
 
Answer & Explanation Answer: D) All of the above.

Explanation:

SQL is a domain-specific language used in programming and designed for managing data held in a relational database management system, or for stream processing in a relational data stream management system.

 

Purpose of SQL are ::

* To define the data structures

* To specify the syntax and semantics of SQL manipulation language

* To specify the syntax and semantics of SQL data definition language

Report Error

View Answer Report Error Discuss

Filed Under: Database
Job Role: Analyst , Database Administration , IT Trainer

19 19560
Q:

 A goal of data mining includes which of the following?

A) To explain some observed event or condition B) To analyze data for expected relationships
C) To confirm that data exists D) To create a new data warehouse
 
Answer & Explanation Answer: A) To explain some observed event or condition

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Database

26 19118
Q:

Which of the following is not a valid escape code?

A) " B) \
C) ' D) =
 
Answer & Explanation Answer: D) =

Explanation:

The valid escape codes in programming languages are ', ", \, n, or t are the valid escape codes. 

 

For example, the sequence \n usually represents a newline, while the escape sequence \\ represents a backslash, \t usually represents a newtab.

Report Error

View Answer Report Error Discuss

Filed Under: Programming
Job Role: Analyst , Database Administration , IT Trainer

39 18738
Q:

enum colors {BLACK,BLUE,GREEN}

main()

{

printf( "%d..%d..%d", BLACK, BLUE, GREEN );

return(1);

}

A) 1..2..3 B) 0..1..2
C) 1..1..1 D) 0..0..0
 
Answer & Explanation Answer: B) 0..1..2

Explanation:

enum assigns numbers starting from 0, if not explicitly defined.

Report Error

View Answer Report Error Discuss

Filed Under: Programming

8 18585
Q:

Transmission data rate is decided by

A) Transport layer B) Network layer
C) Physical layer D) Data link layer
 
Answer & Explanation Answer: C) Physical layer

Explanation:

The speed of the transmission data is generally determined by the cables or connectors we use for data transmission. In networking, layer-1 the physical is which deals with the network cables like pins, usb, connectors, etc... we use for data transmission.

Report Error

View Answer Report Error Discuss

Filed Under: Networking
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , IT Trainer , Network Engineer

18 18194
Q:

What is the output of this C code?

   #include <stdio.h>
    int main()
    {
        int a = 1, b = 1;
        switch (a)
        {
        case a*b:
            printf("yes ");
        case a-b:
            printf("non");
            break;
        }
    }

A) yes B) no
C) Compile time error D) yes no
 
Answer & Explanation Answer: C) Compile time error

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Programming

7 18140