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Digital Electronics

Digital Electronics
ASCII and EBCDIC codes are

 BCD codes
 alphanumeric codes
 error correcting codes
 numeric codes

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Digital Electronics
A multiplexer is a combinational logic circuit used to perform the operation

 AND-AND
 AND-OR
 NOR-OR
 XOR-NAND

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Digital Electronics
Temperature variation is a/an

 Analog quantity
 Digital quantity
 None
 Either Digital or Analog quantity

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Digital Electronics
A ROM has a 16-bit address bus. The number of locations in this memory is

 65536
 16
 1024
 32

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Digital Electronics
Which of the following gates cannot be used as an inverter?

 X-NOR
 NOR
 AND
 NAND

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Digital Electronics
Dual slope ADC has R = 1 KΩ and C = 0.22 nanofarad has charging and discharge times for some voltage is 9 ns and 3 ns respectively. The reference Voltage is 2.2 V. What is the peak voltage reached by triangular wave during charging?

 300 mV.
 30 mV.
 90 mV.
 900 mV.

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