3i Infotech Papers: Sample Questions 1109 - 1111 of 1245

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Question number: 1109

» Languages » C & C Plus Plus

Essay Question▾

Describe in Detail

What is the use of typedef?

Explanation

  • Typedef is keyword used to assign alternative names to existing datatypes.

  • Mostly used with user defined datatype, when names of the datatypes become slightly complicated to use in programs.

Syntax for using typedef:

Typedef < existing_name > < alias_name >

Application of typedef:

  • Typedef can used to a name to user defined data type as well.

  • For example structure:

typedef struct

{

type member1;

type member2;

type member3;

} type_name;

Question number: 1110

» Operating System » Windows

MCQ▾

Question

Windows supports

Choices

Choice (4) Response

a.

Multi user

b.

n tasks

c.

None of the above

d.

All of the above

Answer

a.

Explanation

Understanding of multi-user.

Understanding of Multi-User.

Understanding of multi-user.

  • A multi-user operating system allows multiple users to access a computer system concurrently.

  • Time sharing system is a multi-user system as it enables multi user access to a computer through the sharing of time

  • The users will typically be at terminals or computers that give them access to the system through a network, as well as other machines on the system such as printers

Question number: 1111

» Languages » Assembly Language

MCQ▾

Question

What is the max. decimal number that can be accommodated in a byte.

Choices

Choice (4) Response

a.

125

b.

255

c.

512

d.

256

Answer

b.

Explanation

  • bits.

  • A byte can represent one of these 256 district values. i. e. numbers between (min) to (max).

  • Thus maximum decimal number accommodated in a byte is.