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25 followers study24x7 06 Jun 2020 08:28 PM study24x7 study24x7

To identify TCP/IP errors such as connection problems ______ command can be used

A

ping

B

FTP

C

POP3

D

None of the Above

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25 followers study24x7 06 Jun 2020 08:27 PM study24x7 study24x7

USB is a device used to store data and it stands for

A

Unlimited Serial Bus

B

Universal Serial Bus

C

Universal Service Bus

D

Unlimited Service Bandwidth

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25 followers study24x7 06 Jun 2020 08:26 PM study24x7 study24x7

Which of the following statement is correct?

A

1 KB = 1024 bytes

B

1 MB=2048 bytes

C

1 MB = 1000 kilobytes

D

1 KB = 1000 bytes

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25 followers study24x7 06 Jun 2020 08:25 PM study24x7 study24x7

ENIAC was the first general-purpose electronic computer. ENIAC stands for

A

Electronic Numerical Integrator and Computer

B

Electronic Network Interactive Analytic Computer

C

Electronic Network Integrated Analytical Computer

D

Electronic Numerical Integrated Automatic Computer

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25 followers study24x7 06 Jun 2020 08:24 PM study24x7 study24x7

Every computer connected to the Internet is identified by a unique four-part string, known as

A

Host name

B

IP address

C

Domain name

D

None of the Above

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25 followers study24x7 06 Jun 2020 08:24 PM study24x7 study24x7

What is the common measurement of unit of a computer memory?

A

IQ

B

Byte

C

Terabyte

D

Gigabyte

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25 followers study24x7 06 Jun 2020 08:23 PM study24x7 study24x7

Which among the following allows the user to interact computer?

A

Command line interface

B

Graphical user interface

C

Both A and B

D

None of the Above

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25 followers study24x7 06 Jun 2020 08:22 PM study24x7 study24x7

What is the name of programs that control the computer system?

A

Keyboard

B

Mouse

C

Hardware

D

Software

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25 followers study24x7 06 Jun 2020 08:21 PM study24x7 study24x7

Which is referred to the brain of computer?

A

Processor

B

RAM

C

ROM

D

Hard Drive

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25 followers study24x7 06 Jun 2020 08:19 PM study24x7 study24x7

Abstract class can’t be final in java.

A

true

B

false

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25 followers study24x7 06 Jun 2020 08:18 PM study24x7 study24x7

Which of the following function can be used for dynamic memory allocation of objects?

A

malloc()

B

calloc()

C

malloc() and calloc()

D

None of the Above

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25 followers study24x7 06 Jun 2020 08:18 PM study24x7 study24x7

 Two dimensional array can’t be initialized with the declaration.

A

true

B

false

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25 followers study24x7 06 Jun 2020 08:17 PM study24x7 study24x7

How the objects of array can be denoted?

A

Random numbers

B

Name

C

Indices

D

Alphabets

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25 followers study24x7 06 Jun 2020 08:16 PM study24x7 study24x7

Which specifier should be used for member functions of a class?

A

public

B

private

C

protected

D

all of the above

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25 followers study24x7 06 Jun 2020 08:15 PM study24x7 study24x7

Which access specifier is usually used for data members of a class?

A

Private

B

Default

C

public

D

protected

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25 followers study24x7 06 Jun 2020 08:15 PM study24x7 study24x7

If a class has all the private members, which specifier will be used for its implicit constructor?

A

private

B

public

C

protected

D

Default

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25 followers study24x7 06 Jun 2020 08:14 PM study24x7 study24x7

Which among the following can restrict class members to get inherited?

A

private

B

protected

C

public

D

All of the above

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25 followers study24x7 06 Jun 2020 08:13 PM study24x7 study24x7

Copy constructors are overloaded constructors.

A

true

B

false

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25 followers study24x7 06 Jun 2020 08:12 PM study24x7 study24x7

 Which is correct syntax?

A

classname objectname= new classname;

B

classname objectname= new() integer;

C

classname objectname= new classname();

D

classname objectname= new() classname();

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25 followers study24x7 06 Jun 2020 08:12 PM study24x7 study24x7

When is the constructor called for an object?

A

As soon as overloading is required

B

As soon as class is created

C

As soon as object is created

D

As soon as class is derived

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