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Digital Electronics

Digital Electronics
How the digital signals is transmitted through a single conductor ?

None of these
 Serial
 Analog
 Parallel

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Digital Electronics
A latch is ________ sensitive

 edge
 None
 both level and edge
 level

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Digital Electronics
Which of the logical operations is represented by the + sign in Boolean algebra ?

 NAND
 OR
 NOT
 AND

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Digital Electronics
In signed magnitude representation, the binary equivalent of 22.5625 is (the bit before comma represents the sign)

 1,10101.1001
 1,10110.1001
 0,10110.1001
 0,10110.1011

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Digital Electronics
Each term in the standard SOP form is called a

 maxterm
 minterm
 literal
 don’t care

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Digital Electronics
The simplified block diagram of a 10-bit A/D converter of dual slope integrator type is shown in figure. The 10-bit counter at the output is clocked by a 1 Mhz clock. Assuming negligible timing overhead for the control logic, the maximum frequency of the analog signal that can be converted using this A/D converted is approximately .

 250 Hz.
 500 Hz.
 2 KHz.
  1 KHz.

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