Technology | MCQs

Explanation

Laser technology is used in optical disks (like CDs and DVDs).

It allowing for precise data storage and retrieval.

Explanation

John Bardeen, William B. Shockley, and Walter H. Brattain are collectively known as the fathers of the second generation of computers.

They invented the transistor in 1947, which led to the development of smaller, faster, and more efficient computers.

The fathers of each generation of computers:

1. First generation (Vacuum Tubes): John Atanasoff (invented the first electronic computer, ABC)
2. Second generation (Transistors): John Bardeen, William B. Shockley, and Walter H. Brattain (invented the transistor)
3. Third generation (Integrated Circuits): Jack Kilby (developed the first integrated circuit)
4. Fourth generation (Microprocessors): Ted Hoff and Stanley Mazor (developed the first microprocessor, Intel 4004)

Explanation

Obsolete means متروک

Contemporary means ہم عصر

Explanation

The largest helicopter in the world is the Russian Air Force Mil Mi-26.

• Maximum Takeoff Weight: ~56,000 kg (123,500 lbs)
• Maximum Payload Capacity: ~20,000 kg (44,000 lbs)

In terms of rotor length, the smallest helicopter is the GEN H-4, made by Gen Corporation (Japan).

• Rotor Length: 4 m (13 ft).
• Weight: 70 kg (154.32 lbs).
• Features: One seat, one landing gear, and one power unit.

Explanation

Apple is the world's largest computer company by sales and market capitalization

Apple Inc. is an American multinational technology company .

Founded: April 1, 1976, Los Altos, California, United States

Headquarters: Cupertino, California, United States

Founders: Steve Jobs, Steve Wozniak, Ronald Wayne

Explanation

A microprocessor smart card is defined as an IC chip contact card with a microprocessor and memory.

The size of a credit card, this smart card contains a small microchip that can process and store thousands of bits of electronic data.

Explanation

Microsoft was founded on April, 4 1975 in the USA.

Explanation

The invention and advancement of the vacuum or electron tube marked the beginning of the Electronic Era in the early 20th century.

These tubes were used in early radios, televisions, and computers.

Explanation

Thomas J. Watson is the founder of IBM (International Business Machines Corporation).

• IBM (International Business Machines) was founded on June 16, 1881, as Tabulating Machine Company, later renamed IBM in 1924.
• It has since become a well-known technology company.

Explanation

Microsoft is one of the largest and most influential companies in the software industry

It is known for products like Windows, Office, and Azure