IT Trainer Questions


Q:

Which of the following are valied?

A) A class can extend any number of classes simulteneously B) A class can implement only one interface at a time
C) A class can extend other class or can implement interface but not both simulteneously D) None of the above
 
Answer & Explanation Answer: D) None of the above

Explanation:

A is wrong because a class can extend nly one class .B is wrong because a class can implement any number of interfaces.C is wronb because both can can be done simulteneously.So, D is correct

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Filed Under: Java
Job Role: IT Trainer

1 4044
Q:

Digitized information can be used by computers.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

TRUE. The computers and electronic devices use digitized information which is easily understood by them.


 


Digitization is the process of converting analog signals or information of any form into a digital format that can be understood by computer systems or electronic devices. The term is used when converting information, like text, images or voices, and sounds, into binary code.

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6 4041
Q:

3.2% of 500 × 2. 4% of ? = 312

A) 812.5 B) 829.75
C) 749.85 D) 799.5
 
Answer & Explanation Answer: A) 812.5

Explanation:

Given 3.2% of 500 × 2. 4% of ? = 312Then,3.2 x 500100 x 2.4 x ?100 = 31216 x 2.4x?100 = 3129.6 x ?25 = 3129.6 x ? = 7800? = 78009.6? = 812.5

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Filed Under: Percentage
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer

7 4040
Q:

What cannot be performed from the windows task manager?

A) Open a program B) Check recent CPU usage
C) Delete a program from the hard drive D) View what applications are running in the background
 
Answer & Explanation Answer: C) Delete a program from the hard drive

Explanation:

The task manager enables you to monitor processes, applications and services currently running on your computer. You can use it to start and stop programs and processes. In addition, you can use the task manager to show informative stats about your PC’s performance and network.

 


Hence, to delete a program from the hard drive, you have to go to the control panel to uninstall an application properly.

 

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6 4023
Q:

Alone I am 24th, with a friend I am 20. Another friend and I am unclean. What am I?

Answer

The answer is 'X'.


1. It is the 24th letter in the alphabetical order.


2. XX (20 in Roman)


3. XXX is used to refer dirty.

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7 4015
Q:

The amount of RAM storage is measured in

A) bytes B) mega bytes
C) giga bytes D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

RAM storage capacity is measured in bytes, kilo bytes, mega bytes, giga bytes,...

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2 4007
Q:

I shrink smaller every time I take a bath.

What am I ?

Answer

A Soap.


Yes, it gets shrinks smaller every time we take a bath.

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2 4003
Q:

Which standard govern parallel communications?

A) CAT 5 B) IEEE 1284
C) RS-232 D) None of the above
 
Answer & Explanation Answer: B) IEEE 1284

Explanation:

IEEE 1284 is a standard that govern parallel communications.

 

  • IEEE 1284 is a standard that defines bi-directional parallel communications between computers and other devices.

 

  • It was originally developed in the 1970s by Centronics, and was widely known as the Centronics port, both before and after its IEEE standardization.

 

                      which_standard_govern_parallel_communications1539064136.jpg image

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6 4002