Question:medium

What do you mean by playback?

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A complete recording system is always divided into two main stages: the Recording stage (storing the signal on the medium) and the Playback stage (retrieving and reproducing the stored signal).

Updated On: Jun 18, 2026

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Questions Asked in CBSE Class XII exam

The role of a catalyst is to change _____________ .

CBSE Class XII - 2025
Surface Chemistry

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Which of the following statements is true for the function \[ f(x) = \begin{cases} x^2 + 3, & x \neq 0, \\ 1, & x = 0? \end{cases} \]

CBSE Class XII - 2024
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\( \int_a^b f(x) \, dx \) is equal to:

CBSE Class XII - 2024
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Let \( \theta \) be the angle between two unit vectors \( \mathbf{\hat{a}} \) and \( \mathbf{\hat{b}} \) such that \( \sin \theta = \frac{3}{5} \). Then, \( \mathbf{\hat{a}} \cdot \mathbf{\hat{b}} \) is equal to:

CBSE Class XII - 2024
Vector Algebra

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What do you mean by playback?

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Questions Asked in CBSE Class XII exam