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 :-).

To connect a computer with a device in the same room, you might be likely to use

Your Answer: Option

Correct Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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A combinational logic circuit which is used when it is desired to send data from two or more source through a single transmission line is known as

Your Answer: Option

Correct Answer: Option C

Explanation:

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The "curse of dimensionality" relates to which problem of using operational data for BI reporting?

	A.	Dirty data
	B.	Inconsistent data
	C.	Too much data
	D.	Non-integrated data

Your Answer: Option

Correct Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

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If a load resistance is 1 kW, a stiff current source has a resistance of

Your Answer: Option

Correct Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

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

int num = 1, z = 5;

if (!(num <= 0))
Console.WriteLine( ++num + z++ + " " + ++z );
else
Console.WriteLine( --num + z-- + " " + --z );

	A.	5 6
	B.	6 5
	C.	6 6
	D.	7 7

Your Answer: Option

Correct Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

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One popular classification technique in Business Intelligence (BI) reporting is ________ .

	A.	cluster analysis only
	B.	regression analysis only
	C.	RFM analysis only
	D.	both cluster analysis and regression analysis

Your Answer: Option

Correct Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

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In MS-DOS 5.0, which is the number that acts as a code to uniquely identify the software product?

Your Answer: Option

Correct Answer: Option D

Explanation:

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Which of the following is not a communication command?

Your Answer: Option

Correct Answer: Option A

Explanation:

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What is the name given to the organized collection of software that controls the overall operation of a computer?

Your Answer: Option

Correct Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

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10.

Most routers can also act as bridges

	A.	True
	B.	False

Your Answer: Option

Correct Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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11.

You have the following routing table. Which of the following networks will not be placed in the neighbor routing table?

R    192.168.30.0/24 [120/1] via 192.168.40.1, 00:00:12, Serial0
C    192.168.40.0/24 is directly connected, Serial0
     172.16.0.0/24 is subnetted, 1 subnets
C    172.16.30.0 is directly connected, Loopback0
R    192.168.20.0/24 [120/1] via 192.168.40.1, 00:00:12, Serial0
R    10.0.0.0/8 [120/15] via 192.168.40.1, 00:00:07, Serial0
C    192.168.50.0/24 is directly connected, Ethernet0

	A.	172.16.30.0
	B.	192.168.30.0
	C.	10.0.0.0
	D.	All of them will be placed in the neighbor routing table.

Your Answer: Option

Correct Answer: Option C

Explanation:

The network 10.0.0.0 cannot be placed in the next router's routing table because it already is at 15 hops. One more hop would make the route 16 hops, and that is not valid in RIP networking.

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12.

Interprocess communication

	A.	is required for all processes
	B.	is usually done via disk drives
	C.	is never necessary,
	D.	allows processes to synchronize activity

Your Answer: Option

Correct Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

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13.

A cursor type in which the application can only move forward through the recordset is called:

	A.	forward only.
	B.	static
	C.	keyset
	D.	dynamic.

Your Answer: Option

Correct Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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14.

A homogenous distributed database is which of the following?

	A.	The same DBMS is used at each location and data are not distributed across all nodes.
	B.	The same DBMS is used at each location and data are distributed across all nodes.
	C.	A different DBMS is used at each location and data are not distributed across all nodes.
	D.	A different DBMS is used at each location and data are distributed across all nodes.

Your Answer: Option

Correct Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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15.

ICMP (Internet Control Message Protocol) is

	A.	a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address
	B.	a TCP/IP high level protocol for transferring files from one machine to another
	C.	a protocol used to monitor computers
	D.	a protocol that handles error and control messages
	E.	None of the above

Your Answer: Option

Correct Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

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16.

Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that:

	A.	A → B.
	B.	A → C.
	C.	A → (B,C).
	D.	(B,C) → A.

Your Answer: Option

Correct Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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17.

A noiseless 3 KHz Channel transmits bits with binary level signals. What is the maximum data rate?

	A.	3 Kbps
	B.	6 Kbps
	C.	12 Kbps
	D.	24 Kbps.

Your Answer: Option

Correct Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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18.

The Strategic Computing Program is a project of the:

	A.	Defense Advanced Research Projects Agency
	B.	National Science Foundation
	C.	Jet Propulsion Laboratory
	D.	All of the above
	E.	None of the above

Your Answer: Option

Correct Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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19.

Which is true about an anonymous inner class?

	A.	It can extend exactly one class and implement exactly one interface.
	B.	It can extend exactly one class and can implement multiple interfaces.
	C.	It can extend exactly one class or implement exactly one interface.
	D.	It can implement multiple interfaces regardless of whether it also extends a class.

Your Answer: Option

Correct Answer: Option C

Explanation:

Option C is correct because the syntax of an anonymous inner class allows for only one named type after the new, and that type must be either a single interface (in which case the anonymous class implements that one interface) or a single class (in which case the anonymous class extends that one class).

Option A, B, D, and E are all incorrect because they don't follow the syntax rules described in the response for answer Option C.

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20.

________ is an open source DBMS product that runs on UNIX, Linux and Windows.

	A.	MySQL
	B.	JSP/SQL
	C.	JDBC/SQL
	D.	Sun ACCESS

Your Answer: Option

Correct Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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