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Digital Electronics

Digital Electronics
A Binary number system has how many digits.

 2
 10
 1
 0

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Digital Electronics
Which one of the following is not a vectored interrupt?

 INTR.
 RST 7.5.
 RST 6.5.
 TRAP.

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Digital Electronics
The minimum decimal equivalent of the number 11C is

 269
 268
 183
 194

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Digital Electronics
The binary equivalent of hexadecimal number 4F2D is

 0100 1111 0010 1100
 0100 1110 0010 1101
 0101 1111 0010 1100
 0100 1111 0010 1101

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Digital Electronics
A boolean function can be transformed into logical ________.

 diagram
 map
 matrix
 graph

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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 .

 2 KHz.
 500 Hz.
 250 Hz.
  1 KHz.

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