Interview Questions

Q:

How much time needs to pass for an A/R account to be considered delinquent?

Answer

After 90 days of the due date

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Q:

What is DHTML? What are the features of DHTML?

Answer

DHTML stands for Dynamic HTML. The first thing that we need to clear about DHTML is that it is neither a language like HTML, JavaScript etc. nor a web standard. It is just a combination of HTML, JavaScript and CSS. It just uses these languages features to build dynamic web pages. DHTML is a feature of Netscape Communicator 4.0, and Microsoft Internet Explorer 4.0 and 5.0 and is entirely a "client-side" technology.  


Features of DHTML:


- Simplest feature is making the page dynamic.


- Can be used to create animations, games, applications, provide new ways of navigating through web sites.


- DHTML use low-bandwidth effect which enhance web page functionality.


- Dynamic building of web pages is simple as no plug-in is required.


- Facilitates the usage of events, methods and properties and code reuse. 

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Q:

class Hell {

public static void main(String[] args) {

Integer i = 42;

String s = (i<40)?"life":(i>50)?"base":"ball";

System.out.println(s);

}

}

A) null B) ball
C) base D) None
 
Answer & Explanation Answer: B) ball

Explanation:

D is correct. This is a ternary nested in a ternary with a little unboxing thrown in.Both of the ternary expressions are false.

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Filed Under: Java - Technology

1 21283
Q:

What is a Non-PO Invoice?

Answer

A non-po is an invoice which does not have po(purchase order).However, these invoices requires approval for authorized person/persons to process for payment.


What_is_a_Non-PO_Invoice1558075538.jpg image

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Q:

What is RDBMS? Explain its features.

Answer

RDBMS is a database management system based on relational model defined by E.F.Codd. Data is stored in the form of rows and columns. The relations among tables are also stored in the form of the table.

Features:
- Provides data to be stored in tables
- Persists data in the form of rows and columns
- Provides facility primary key, to uniquely identify the rows
- Creates indexes for quicker data retrieval
- Provides a virtual table creation in which sensitive data can be stored and simplified query can be applied.(views)
- Sharing a common column in two or more tables(primary key and foreign key)
- Provides multi user accessibility that can be controlled by individual users

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Subject: Oracle - Technology

42 20701
Q:

What is meaning of following declaration?
int(*p[5])();

A) p is pointer to function. B) p is array of pointer to function.
C) p is pointer to such function which return type is array. D) p is pointer to array of function.
 
Answer & Explanation Answer: B) p is array of pointer to function.

Explanation:
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Filed Under: C++ - Technology

8 20012
Q:

try { int x = Integer.parseInt("two"); }

Which could be used to create an appropriate catch block?

A) ClassCastException B) IllegalStateException
C) NumberFormatException D) None
 
Answer & Explanation Answer: C) NumberFormatException

Explanation:

C is correct. 'Integer.parseInt' can throw a NumberFormatException, and IllegalArgumentException is its superclass 

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Filed Under: Java - Technology

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Q:

What is function prototyping? What are its advantages?

Answer

Function prototyping is a function declaration statement that tells the compiler about the return type of the function and the number as well as type of arguments required by the function at the time of calling it.


Syntax:


return_type function_name( type1 arg1, type 2 arg2, ... );


 


Advantages of function prototype :


- It helps the compiler in determining whether a function is called correctly or not. Each time when a function is called, its calling statement is compared with its prototype. In case of any mismatch, compiler reports an error.


- A function must be defined before calling it. But prototyping allows a function to be called before defining it.

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Subject: C++ - Technology

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