Tag: science & technology

Questions Related to science & technology

Smoking cigars does not cause lung cancer
general knowledge science & technology

  1. True

  2. False

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Correct Option: B

Some cancers are contagious.
general knowledge science & technology

  1. True

  2. False

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Correct Option: B

The computer can read but not change the information stored in:
general knowledge science & technology

  1. ROM

  2. RAM

  3. KRAM

  4. none of the above

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Correct Option: A

Technician A says that a digital signal is either on or off. Technician B says that an analog signal changes proportionally to the quantity measured. Who is correct?
general knowledge science & technology

  1. Technician A only

  2. Technician B only

  3. Both Technician A and B

  4. Neither Technician A and B

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Correct Option: C

RAM is short for:
general knowledge science & technology

  1. random only memory

  2. read only memory

  3. random access memory

  4. reverse bias amp motor

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Correct Option: C

The binary system used by a digital computer consists of:
general knowledge science & technology

  1. 10 numbers

  2. 5 numbers

  3. 2 numbers

  4. 1 number

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Correct Option: C

The frequency of an AC signal is determined by the:
general knowledge science & technology

  1. peak value of the sine wave

  2. number of cycles per unit of time

  3. amplitude of the signal being generated

  4. all of the above

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Correct Option: B

The simplest digital sensor is a:
general knowledge science & technology

  1. relay

  2. switch

  3. a/c generator

  4. solenoid

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Correct Option: B

One cycle per __________ equals one hertz:
general knowledge science & technology

  1. second

  2. minute

  3. revolution

  4. any of the above

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Correct Option: A

An analog signal
general knowledge science & technology

  1. is either on or off

  2. is either a 1 or a 0.

  3. is a varying voltage

  4. any of the above.

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Correct Option: C