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Digital Electronics

Digital Electronics
A read only memory in which the present contents must be erased before the new information can be stored is

 ROM
 EAROM
 PROM
All of these

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Digital Electronics
The number A = 01110000 and B = 10101111 are in 2’s complement form .Addition of above two number is

 10101111
 11100000
 011100001
 00011111

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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
Which one of the following even parity codes are in errors. (I)100110010 (II)011101010 (III)10111111010001010

 Both (I)&(III)
 Only (II)
 Both (II)&(III)
 Only (III)

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Digital Electronics
What are the values of R1 and R2 respectively in the expression (235)R1 = (565)10 = (1065)R2

 6, 16
 8, 16
 12, 8
 16, 8

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Digital Electronics
"What would happen, if smaller logic modules are utilized for performing logical functions associated with FPGA? A. Propagation delay will increase B. FPGA area will increase C. Wastage of logic modules will not be prevented D. Number of interconnected paths in device will decrease"

A & D
A & B
B & C
C & D

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