Tag: science & technology

Questions Related to science & technology

For reproducing sound, a CD (compact disc) audio player uses a

  1. Quartz crystal

  2. Titanium needle

  3. Laser beam

  4. Barium titanium ceramic


Correct Option: C

When a CD is seen in sunlight, rainbow like colours are seen. This can be explained on the basis of phenomenon of

  1. Reflection and diffraction

  2. Reflection and transmission

  3. Diffraction and transmission

  4. Refraction, diffraction and transmission


Correct Option: D

Errors in computer results could be due to

  1. Encoding of data

  2. Transmission of data

  3. Manipulation of data

  4. All of the above


Correct Option: D
  1. Calculator

  2. Micro computer

  3. Analog computer

  4. Micro processor


Correct Option: B

Which of the following terms could be used to describe the concurrent processing of computer programs via CRTs, on one computer system?

  1. Time Sharing

  2. Online Processing

  3. Interactive Processing

  4. All of the above


Correct Option: D

Which function calculates the largest value in a set of numbers in Excel?

  1. Count

  2. Maximum

  3. Minimum

  4. Average


Correct Option: B

Which of the following refers to a small, single-site network?

  1. LAN

  2. DSL

  3. RAM

  4. USB


Correct Option: A