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Digital Electronics

Digital Electronics
Four ROM chips of 16 × 4 size have their address buses connected together. This system will be of size

 16 × 16
 256 × 1
 64 × 4
 32 × 8

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Digital Electronics
1s Complement of 11001010 is

 11001011
 00110101
 11001001
 00110111

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Digital Electronics
What will be Excess - 3 code for decimal ( 584 )?

 (1011 0111 1000).
  (1000 1011 0111).
  (0111 0100 1000).
 (1000 0111 1110).

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Digital Electronics
Which one of the following is correct sequence of the numbers represented in the series(2)3, (10)4, (11)5, (14)6, (22)7,…………….

 2, 4, 6, 10, 16……..
 2, 4, 6, 8, 10, …..
 2, 4, 6, 10, 12, …
 2, 3, 4, 5, 6, ….

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Digital Electronics
X = 01110 and Y = 11001 are two 5-bit binary numbers represented in 2’s complement format. The sum of X and Y in 2’s complement format using 6 bits is

 101001
 001000
 0001111
 100111

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Digital Electronics
If clock time period is 1ms, what is its frequency

 1 kHz
 1 MHz
 1 mHz
None of these

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