IT Trainer Questions


Q:

When was the Internet available to the Public?

A) 1970 B) 1980
C) 1990 D) 2000
 
Answer & Explanation Answer: C) 1990

Explanation:

Internet service providers (ISP's) emerged in the late 1980's and early 1990's.

The ARPANET was decommissioned in 1990.

By 1995, the Internet was fully commercialized in the U.S., when the NSFNet was decommissioned, removing the last restrictions on use of the Internet to carry commercial traffic.

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Q:

The Indian to beat the computers in mathematical wizardry is

A) Shakuntala Devi B) Raja Ramanna
C) Rina Panigrahi D) Ramanujam
 
Answer & Explanation Answer: A) Shakuntala Devi

Explanation:
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Q:

Inside an interface when should the variables be initialized?

A) Globally B) Whenever required
C) Inside a function D) During the time of declaration
 
Answer & Explanation Answer: D) During the time of declaration

Explanation:

They should be initialized during the time of declaration itself otherwise it is a compilation eror

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Filed Under: Java
Job Role: IT Trainer

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Q:

Find the Missing Number Puzzle for the Given

number011517998001.jpg image

A) 8 B) 16
C) 9 D) 12
 
Answer & Explanation Answer: C) 9

Explanation:

Given

 

6 = 3 => Number of letters in SIX = 3

 

12 = 6 => Number of letters in TWELVE = 6

 

14 = 8 => Number of letters in FOURTEEN = 8

 

Similarly,

 

22 = 9 => Number of letters in TWENTY TWO = 9

 

 

 

 

 

Therefore, 22 = 9.

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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 4764
Q:

What is conversion operator ?

Answer

Class can have a public method for specific data type conversions.
for example:
class B
{
double value;
public  B(int i )
operator double()
{
return value;
}
};
B BObject;
double i = BObject; // assigning object to variable i of type double.
now conversion operator gets called to assign the value.

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Q:

Synonym of 'Beautiful'?

A) Alluring B) Ugly
C) Disgusting D) Loathsome
 
Answer & Explanation Answer: A) Alluring

Explanation:

Beautiful means good looking, having pleasing personality, glamourous, charming.

Synonyms of Beautiful are handsome, attractive, alluring, cute, fair,...

 

Hence, in the given options Synonym of 'Beautiful' is Alluring.

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Filed Under: English
Exam Prep: Bank Exams , CAT , GATE , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer

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Q:

Which of the following is true of VoIP?

A) It uses the public switched telephone network. B) Skype is an example of VoIP software.
C) It uses a slow speed dial-up connection. D) All of the above
 
Answer & Explanation Answer: B) Skype is an example of VoIP software.

Explanation:

VOIP is an acronym for Voice Over Internet Protocol, or in more common terms phone service over the Internet.

 

Voice over Internet Protocol is a category of hardware and software that enables people to use the Internet as the transmission medium for telephone calls by sending voice data in packets using IP rather than by traditional circuit transmissions of the PSTN.

 

Here in the given options, Skype is the only voice service that enables us to talk over internet.

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