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Digital Electronics

Digital Electronics
Maximum number in decimal that can be represented by 4 bits (binary) is

 4
 16
 7
 15

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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 .

 500 Hz.
 2 KHz.
  1 KHz.
 250 Hz.

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Digital Electronics
Digital circuit can be made by the repeated use of ___________

NOT gates
None of these
NAND gates
OR gates

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Digital Electronics
A half adder is a ________ circuit.

 Both A and B
 Combinational
 Sequential
 None

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Digital Electronics
A 15-bit Hamming code requires

 5 parity bits
 15 parity bits
 4 parity bits
 none of these.

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Digital Electronics
All the integers and decimal numbers are represented by

 real numbers
 whole numbers
 odd numbers
 even numbers

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