UPSC Prelims 2004·GS1·science-and-technology·it and communication

Consider the following statements: 1. Smart Card is a plastic card with an embedded microchip. 2. Digital technology is primarily used with new physical communication medium such as satellite and fibre optics transmission.

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Last updated 23 May 2026, 3:31 pm IST
  1. A3 only
  2. B1 and 2Correct
  3. C2 and 3
  4. D1, 2 and 3

Explanation

Statement 1 is correct because a smart card is defined as a plastic card that contains an embedded integrated circuit chip or microchip. This chip can store and process data, distinguishing it from simple magnetic stripe cards. Statement 2 is correct because digital technology relies on the transmission of data in discrete binary form. New physical communication mediums like satellite and fiber optics are specifically designed to handle high-speed digital signals with high efficiency and low interference compared to older analog mediums. The provided options seem to imply a three-statement structure, but based on the text provided, both listed statements are accurate. Therefore, Option B is the correct choice as it includes both valid points.
science-and-technology: Consider the following statements: 1. Smart Card is a plastic card with an embedded microchip. 2. Digital technology is
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