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9th Chapter

## Matric Part 2/10th Class General Science Chapter 9 MCQ Test With Answer for Chapter 9 (Basic Electronics)

This online test contains MCQs about following topics:

- Semi-conductors

- Satellite T.V

- Semi-conductor diode

- Computer

- Analogue / digital converters

- Telecommunication

- Television

- Communication system

#### 10th General ScienceChapter 9 Test

Start Chapter 9 Test

## Click Here for General Science Urdu Medium Ch 9 MCQ Test

### Matric Part 2/10th Class General Science Chapter 9 MCQ Test With Answer for Chapter 9 (Basic Electronics)

1 Operation " 2+3" in computer performed by.
• A. CU
• B. CPU
• C. ALU
• D. None of these
2 the number of (101)<sub>10</sub> in decimal is equal to .......... inbinary.
• A. 0101111
• B. 0000101
• C. 10101101
• D. 1100101
3 Which of the following is an input device:
• A. key board&nbsp;
• B. printer
• C. monitor&nbsp;
• D. CPU&nbsp;
4 Electric signal is converted into digital signal by.
• A. Key board
• B. Monitor
• C. Scanner
• D. Modem
5 in binary system. 37 is written as.
• A. 101101
• B. 100101
• C. 110011
• D. 101011
6 Which of the &nbsp;following are electromagnetic waves:
• A. sound&nbsp;
• B. water waves&nbsp;
• C. Ultrasound&nbsp;
• D. light
7 Revolutionary charges have occur in last ............. years.
• A. 30
• B. 40
• C. 50
• D. 60
8 In Pure -semi conductors no free electrons are available to conduct electric current at.
• A. Ordinary temperature
• B. Low temperature
• C. High temperature
• D. None of these
9 The deficiency of elctrons in outermost shell of silicon atom is called.
• A. Valent shell hole
• B. Doping
• C. Hole
• D. None of these
10 The substances through which current can pass easily are called:
• A. conductors&nbsp;
• B. insulators&nbsp;
• C. Semi - conductors&nbsp;
• D. Non - Electrolytes&nbsp;

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