IT Trainer Questions


Q:

Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables ?

A) Data Manipulation Language(DML) B) Data Definition Language(DDL)
C) Both A & B D) None
 
Answer & Explanation Answer: B) Data Definition Language(DDL)

Explanation:

The Data Definition Language (DDL) is used to manage table and index structure.

CREATE,

ALTER,

RENAME,

DROP and

TRUNCATE

statements are the names of few data definition elements.

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

6 14937
Q:

Defect Management Process does not include

A) Deliverable base-lining B) Management reporting
C) Defect prevention D) None of above
 
Answer & Explanation Answer: A) Deliverable base-lining

Explanation:
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Filed Under: Software Testing
Job Role: Analyst , IT Trainer

8 14841
Q:

Which Of The Following Statements Is Most Accurate For The Declaration X = Circle()?

A) x contains a reference to a Circle object B) You can assign an int value to x
C) x contains an object of the Circle type D) x contains an int value
 
Answer & Explanation Answer: A) x contains a reference to a Circle object

Explanation:
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10 14216
Q:

Which operation is not performed by computer?

A) Understanding B) Controlling
C) Processing D) Inputting
 
Answer & Explanation Answer: A) Understanding

Explanation:

A computer can perform inputting, processing and cotrolling but it can't perform understanding as it is has no brain. It can't earn from its previous experiances.

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19 14209
Q:

Microprocessors as switching devices are for which generation computers?

A) Fourth generation B) Third generation
C) Second generation D) First generation
 
Answer & Explanation Answer: A) Fourth generation

Explanation:

Microprocessors are used in the computers of fourth generation computers. Personal microcomputers were possible due to the microprocessors.

 

Microprocessors further revolutionized the development of computers.

 

The first microprocessor called Intel 4004 was developed by American Intel Corporation in 1971.

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27 14110
Q:

LCM of 80, 85, 90

A) 11440 B) 11998
C) 12240 D) 12880
 
Answer & Explanation Answer: C) 12240

Explanation:

LCM of (80, 85, 90) can be found by prime factorizing them.

 

80 → 2 × 2 × 2 × 2 × 5

85 → 17 × 5

90 → 2 × 3 × 3 × 5

L.C.M of (80,85,90) = 2 × 2 x 2 × 2 × 3 × 3 × 5 × 17

= 16 x 9 x 85

= 144 x 85

= 12240

 

L.C.M of (80,85,90) = 12240.

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97 14064
Q:

What Does My Name Mean, If my Mother is a Mathematician, and my Father is a Chemist. And they gave a Code to My Name as "Iron59".

Crack my Name?

A) Elix B) Alex
C) Selix D) Felix
 
Answer & Explanation Answer: D) Felix

Explanation:

Here my name "Iron59" means Felix.

Since my father is a chemist he gave code Iron for Fe as chemical symbol for Iron is Fe and my mother is a mathematician she gave 59 for Lix as Roman word for 59 is Lix.

 

Hence my name is FELIX.

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Filed Under: Logic Puzzles
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer , Project Manager

17 14030
Q:

Which unit holds data temporarily?

A) Secondary storage unit B) Output Unit
C) Primary Memory Unit D) Input unit
 
Answer & Explanation Answer: C) Primary Memory Unit

Explanation:

Memory is the part of the computer that temporarily holds data and instructions before and after they are processed by the ALU.

 

Memory is also known as primary storage, primary memory, main storage, internal storage, and main memory.

 

Manufacturers often use the term RAM, which stands for random-access memory.​

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23 14026