NTA-NET (Based on NTA-UGC) Electronic Science (Paper-II): Questions 58 - 61 of 124

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Question number: 58

» Electric Communications » Basic Principles of Amplitude

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Appeared in Year: 2018

MCQ▾

Question

Which of the following statement is correct? (July)

Choices

Choice (4) Response

a.

MF radio frequency waves are called long waves and HF are called short waves.

b.

VLF and LF radio frequency waves are called long waves while HF waves are called short waves.

c.

LF radio waves are called long waves and VHF are called short waves

d.

ELF radio waves are called long waves and HF are called short waves.

Question number: 59

» Computer Programming Languages » Handling Character

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Appeared in Year: 2018

MCQ▾

Question

Which of the following is the correct output for the ‘C’ program given below:

#include < tdio. h > Void afun (char×); Int main () {char ch [10]; ch [0] =’x’; ch [1] =’Y’; ch [2] =’Z’; ch [3] =’W’; afun (&ch [0] ); return 0; } Void afun (char×c) {c++; printf (“%c”, ×c); c++; printf (“%c ”, ×c); }

Correct output is: (July)

Choices

Choice (4) Response

a.

YZ

b.

ZW

c.

XY

d.

All of the above

Question number: 60

» Microprocessor and Microcontroller » Addressing Modes, 8085 Instruction Set

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Appeared in Year: 2018

MCQ▾

Question

In which of the following number systems, AC flag is used in ? (July)

Choices

Choice (4) Response

a.

Octal

b.

BCD

c.

Binary

d.

Hexadecimal

Question number: 61

» Solid State Device and Fabrication » Electronic Transport in Semiconductor

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Appeared in Year: 2018

MCQ▾

Question

When acceptor impurities of concentration are added to a semiconductor crystal, when n is the electron density in the conduction band and p is the hole density in the valence band, the ionised acceptors are given as:

1)

2)

3)

4)

Of the statements: (July)

Choices

Choice (4) Response

a.

1) and 2) are wrong

b.

1) is correct but 3) is wrong

c.

3) is correct but 4) is wrong

d.

4) is correct but 3) is wrong