Electron | MCQs

Explanation

The term electronic mail has been in use with its modern meaning since 1975

And variations of the shorter E-mail have been in use since 1979

there are two parts of A valid email address.

1. email prefix
2. an email domain, 

In the address example@mail.com,

1. "example" is the email prefix,
2. "mail.com" is the email domain.

Explanation

A device that is used to convert AC voltage into DC voltage is called A Rectifier.

Inverters and rectifiers are electronic circuits that can change the type of electric current.

a rectifier converts AC to DC.

Explanation

The ENIAC (Electronic Numerical Integrator and Computer), developed from 1943 to 1946.

It was the first general-purpose electronic digital computer.

It was designed for calculating artillery firing tables and utilized vacuum tubes.

Explanation

vacuum Tubes were replaced by Transistors.

Second-generation computers emerged with the development of Transistors.

The transistor was invented in 1947 by three scientists J. Bardeen, W.H Brattain and W. Shockley.

Explanation

Mercury (Hg) is used in thermometers.

Because it expands and contracts consistently with temperature changes.

It providing accurate readings.

It also emits ultraviolet light in fluorescent tubes when electrically excited.

Explanation

List of Bills passed by Parliament on 17.11.2021

1.       The Elections (Second Amendment) Bill, 2021

2.       The International Court of Justice (Review and Re-consideration) Bill, 2021

3.       The Islamabad Capital Territory Charities Registration, Regulation and Facilitation Bill, 2021

4.       The National College of Arts Institute Bill, 2021

5.       The SBP Banking Services Corporation (Amendment) Bill, 2021

6.       The Muslim Family Laws (Amendment) Bill, 2021 (Amendment in Section 4)

7.       The Muslim Family Laws (Amendment) Bill, 2021 (Amendment in Section 7)

8.     The Anti-Rape (Investigation and Trial) Bill, 2021

9.     The Hyderabad Institute for Technical and Management Sciences Bill, 2021

10.   The Islamabad Rent Restriction (Amendment) Bill, 2021

11.   The Criminal Law (Amendment) Bill, 2021

12.   The Corporate Restructuring Companies (Amendment) Bill, 2021

13.   The Financial Institutions (Secured Transactions) (Amendment) Bill, 2021

14.   The Federal Public Service Commission (Validation of Rules) Bill, 2021

15.   The University of Islamabad Bill, 2021

16.   The Loans for Agricultural, Commercial, and Industrial Purposes (Amendment) Bill, 2021

17.   The Companies (Amendment) Bill, 2021

18.   The National Vocational and Technical Training Commission (Amendment) Bill, 2021

19.   The Pakistan Academy of Letters (Amendment) Bill, 2021

20.   The Port Qasim Authority (Amendment) Bill, 2021

21.   The Pakistan National Shipping Corporation (Amendment) Bill, 2021

22.   The Gwadar Port Authority (Amendment) Bill, 2021

23.   The Maritime Security Agency (Amendment) Bill, 2021

24.   The Emigration (Amendment) Bill, 2021

25.   The Privatisation Commission (Amendment) Bill, 2021

26.   The Covid-19 (Prevention of Hoarding) Bill, 2021

27.   The Al-Karam International Institute Bill, 2021

28.   The Islamabad Capital Territory Authority Food Safety Bill 2021

29.   The Unani, Ayurvedic, And Homoeopathic Practitioners Act 

30.   The Prevention of Corruption (Amendment) Bill

31.   The Provincial Motor Vehicle (Amendment) Bill

32.   The Regulation of Generation, Transmission and Distribution of Electric Power (Amendment) Bill, 2021

Explanation

Very-large-scale integration is the process of creating an integrated circuit by combining millions or billions of MOS transistors onto a single chip.

VLSI began in 1970

ND22-7-2023

Explanation

The K orbit, also known as the first electron shell.

• It can hold a maximum of 2 electrons.

The L orbit, also known as the second electron shell.

• It can hold a maximum of 8 electrons.

The M orbit, also known as the third electron shell.

• It can hold a maximum of 18 electrons.

Explanation

• An Integrated Circuit (IC) is a tiny electronic device that contains a large number of electronic components.
• Such as transistors, diodes, and resistors, on a single piece of semiconductor material, like silicon.
• It's a crucial component in modern electronics!

Explanation

The main electronic component used in first-generation counterparts was Vacuum Tubes and Valves

Leo is called the first-generation computer

First-generation (1940 - 1956)  vacuum tubes as a major piece of technology. 

The ENIAC is an example of 1st generation computer.

The time span of first-generation electronic computers was 1943 to 1959

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Second generation (1956 - 1963) use of transistors.

Third generation (1964 - 1971)  use of Integrated circuits.

Fourth generation (1972 - 2010) use of the microprocessor

The fifth generation (2010 to present) use Artificial intelligence

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ND7-5-2023