Java Programming Test (Random Questions)

Java Programming Test (Random Questions) - Computer Science & Engineering

Instruction:

This is a FREE online test. DO NOT pay money to anyone to attend this test.
Total number of questions : 20.
Time alloted : 30 minutes.
Each question carry 1 mark, no negative marks.
DO NOT refresh the page.
All the best :-).

Pick the correct choice for the 80386SXCPU.

	A.	16 bit word size, 16 bit data path
	B.	32 bit word size, 16 bit data path
	C.	8 bit word size, 32 bit data path
	D.	32 bit word size, 8 bit data path
	E.	32 bit word size, 32 bit data path

Your Answer: Option

Correct Answer: Option B

Explanation:

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A process that is repeated, evaluated, and refined is called:

	A.	diagnostic
	B.	descriptive
	C.	interpretive
	D.	iterative
	E.	None of the above

Your Answer: Option

Correct Answer: Option D

Explanation:

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Which of the following statements is correct?

	A.	There is one garbage collector per program running in memory.
	B.	There is one common garbage collector for all programs.
	C.	An object is destroyed by the garbage collector when only one reference refers to it.
	D.	We have to specifically run the garbage collector after executing Visual Studio.NET.

Your Answer: Option

Correct Answer: Option B

Explanation:

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Each answer below shows example data from a table. Which answer is an example of the general-purpose remarks column problem?

	A.	Three columns have the values 534-2435, 534-7867, and 546-2356 in the same row.
	B.	Three rows have the values Brown Small Chair, Small Chair Brown, and Small Brown Chair in the same column.
	C.	Three rows have the values Brown, NULL, and Blue in the same column.
	D.	One row has the value "He is interested in a Silver Porsche from the years 1978-1988" in a column.

Your Answer: Option

Correct Answer: Option D

Explanation:

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Which of the following statements are correct about data types?

1 Each value type has an implicit default constructor that initializes the default value of that type.

2 It is possible for a value type to contain the null value.

3 All value types are derived implicitly from System.ValueType class.

4 It is not essential that local variables in C# must be initialized before being used.

5 Variables of reference types referred to as objects and store references to the actual data.

	A.	1, 3, 5
	B.	2, 4
	C.	3, 5
	D.	2, 3, 4

Your Answer: Option

Correct Answer: Option A

Explanation:

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Acceptance testing is

	A.	running the system with line data by the actual user
	B.	making sure that the new programs do in fact process certain transactions according to Specifications
	C.	is checking the logic of one or more programs in the candidate systems
	D.	testing changes made in an existing or a new program
	E.	None of the above

Your Answer: Option

Correct Answer: Option A

Explanation:

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Suppose n is a variable of the type Byte and we wish to put OFF its fourth bit (from right) without disturbing any other bits. Which of the following statements will do this correctly?

	A.	n = n && HF7
	B.	n = n & 16
	C.	n = n & 0xF7
	D.	n = n & HexF7
	E.	n = n & 8

Your Answer: Option

Correct Answer: Option C

Explanation:

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Which of the following statements is correct?

	A.	Procedural Programming paradigm is different than structured programming paradigm.
	B.	Object Oriented Programming paradigm stresses on dividing the logic into smaller parts and writing procedures for each part.
	C.	Classes and objects are corner stones of structured programming paradigm.
	D.	Object Oriented Programming paradigm gives equal importance to data and the procedures that work on the data.
	E.	C#.NET is a structured programming language.

Your Answer: Option

Correct Answer: Option D

Explanation:

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Which of the following statements is correct about Bitwise ^ operator used in C#.NET?

	A.	The ^ operator can be used to put ON a bit.
	B.	The ^ operator can be used to put OFF a bit.
	C.	The ^ operator can be used to Invert a bit.
	D.	The ^ operator can be used to check whether a bit is ON.
	E.	The ^ operator can be used to check whether a bit is OFF.

Your Answer: Option

Correct Answer: Option C

Explanation:

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10.

Which of the following is a way to create and modify tables using SQL Server?

	A.	Write SQL code using either CREATE or ALTER SQL statements only.
	B.	Use the graphical facilities of SQL Server Enterprise Manager only.
	C.	Both of the two methods above will work.
	D.	Neither of the two methods above will work.

Your Answer: Option

Correct Answer: Option C

Explanation:

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11.

What will be the output of the C#.NET code snippet given below?

namespace IndiabixConsoleApplication
{
class SampleProgram
{
static void Main(string[ ] args)
{
int i = 10;
double d = 34.340;
fun(i);
fun(d);
}
static void fun(double d)
{
Console.WriteLine(d + " ");
}
}
}

	A.	10.000000 34.340000
	B.	10 34
	C.	10 34.340
	D.	10 34.34

Your Answer: Option

Correct Answer: Option D

Explanation:

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12.

Each of data files has a _____ that describe the way the data is stored in the file.

	A.	File structure
	B.	Records
	C.	Fields
	D.	Database
	E.	None of the above

Your Answer: Option

Correct Answer: Option A

Explanation:

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13.

An Enterprise Resource Planning application is an example of a(n) ________ .

	A.	single-user database application
	B.	multiuser database application
	C.	e-commerce database application
	D.	data mining database application

Your Answer: Option

Correct Answer: Option B

Explanation:

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14.

The original LISP machines produced by both LMI and Symbolics were based on research performed at:

	A.	CMU
	B.	MIT
	C.	Stanford University
	D.	RAMD
	E.	None of the above

Your Answer: Option

Correct Answer: Option B

Explanation:

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15.

A base class may also be called a

	A.	child class
	B.	subclass
	C.	derived class
	D.	parent class

Your Answer: Option

Correct Answer: Option D

Explanation:

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16.

If a function fun() is to receive an int, a Single & a double and it is to return a decimal then which of the following is the correct way of defining this function?

	A.	decimal static fun(int i, Single j, double k) { ... }
	B.	decimal fun(int i, Single j, double k) { ... }
	C.	static decimal fun(int i, Single j, double k) { ... }
	D.	static decimal fun(int i, Single j, double k) decimal { ... }
	E.	static fun(int i, Single j, double k) { ... return decimal; }

Your Answer: Option

Correct Answer: Option C

Explanation:

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17.

Data administrators are responsible for:

	A.	physical database design.
	B.	managing technical issues in the database environment.
	C.	overall management of data resources in an organization.
	D.	writing application programs.

Your Answer: Option

Correct Answer: Option C

Explanation:

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18.

It possible to create a custom attribute that can be applied only to specific programming element(s) like ____ .

	A.	Classes
	B.	Methods
	C.	Classes and Methods
	D.	Classes, Methods and Member-Variables

Your Answer: Option

Correct Answer: Option C

Explanation:

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19.

A pointer is

	A.	A keyword used to create variables
	B.	A variable that stores address of an instruction
	C.	A variable that stores address of other variable
	D.	All of the above

Your Answer: Option

Correct Answer: Option C

Explanation:

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20.

The radian of a number system

	A.	Is variable
	B.	Has nothing to do with digit position value
	C.	Equals the number of its distinct counting digits
	D.	Is always an even number
	E.	None of the above

Your Answer: Option

Correct Answer: Option C

Explanation:

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