Tag: science & technology

Questions Related to science & technology

Multiple choice general knowledge science & technology
  1. Rectifier

  2. Flip-Flop

  3. Comparator

  4. Attenuator

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A flip-flop is a basic memory element in digital electronics that can store one bit of information. It has two stable states and is used in registers, counters, and RAM. Rectifiers convert AC to DC, comparators compare voltages, and attenuators reduce signal strength.

Multiple choice general knowledge science & technology
  1. Transistors

  2. Magnetic cores

  3. Silicon chips

  4. Vacuum tubes

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

First generation computers (1940s-1950s) used vacuum tubes for processing and magnetic drums for memory. Transistors were introduced in second generation computers, silicon chips (ICs) in third generation, and magnetic cores were a memory technology used in early computers.

Multiple choice general knowledge science & technology
  1. ENIAC

  2. Difference engine

  3. Electronic computer

  4. Punched card

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Charles Babbage designed the Difference Engine in the 1820s-1830s as a mechanical calculator meant to compute polynomial functions. It was a precursor to his more complex Analytical Engine.