Tag: science & technology

Quizzes (551) Questions (11015)

Questions Related to science & technology

Multiple choice general knowledge science & technology

In Feburary 1946, world's first all-electronic digital computer was formally dedicated. Name this computer.

  1. Havard Mark I

  2. ENIAC

  3. EDVAC

  4. None of the Above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

ENIAC (Electronic Numerical Integrator and Computer) was the first general-purpose electronic digital computer, completed in 1945 and formally dedicated in February 1946 at the University of Pennsylvania. Harvard Mark I was electromechanical, not fully electronic.

Multiple choice general knowledge science & technology

What was the first computer called?

  1. PC

  2. Computing Machines

  3. ENIAC

  4. None of the Above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

ENIAC is widely regarded as the first electronic general-purpose computer. The question is somewhat ambiguously worded - 'first computer' could mean different things, but ENIAC was the first all-electronic digital computer, unlike earlier electromechanical devices.

Multiple choice general knowledge science & technology

What was the name of the British Mathematician who worked out the principles of the computer in the 19th century?

  1. Charles Babbage

  2. Blaise Pascal

  3. G.W.Lientz

  4. None of the Above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Charles Babbage designed the Difference Engine and Analytical Engine in the 19th century, establishing fundamental principles of modern computing including programmability and the concept of a general-purpose computer.

Multiple choice general knowledge science & technology

The device that converts bits and bytes into signals that can travel over telephone lines and vice versa is called?

  1. Sensor

  2. Modem

  3. Transister

  4. None of the Above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A modem (modulator-demodulator) converts digital signals (bits and bytes) into analog signals for transmission over telephone lines and performs the reverse conversion when receiving. Sensors detect physical quantities, and transistors are electronic components.

Multiple choice general knowledge science & technology

How long would it take to send the encyclopedia Britanica over a Fibre optic cable at a rate of 2 gigabits per second?

  1. Two seconds

  2. One second

  3. Three seconds

  4. None of the Above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Assuming the Encyclopedia Britannica is roughly 1-2 GB, at 2 Gbps it would transfer in approximately 0.5-1 second. However, this question requires specific assumptions about encyclopedia size and transmission rates that aren't provided.