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Digital Electronics

Digital Electronics
The X-OR and X-NOR gates can have how many inputs?

 any number
 1
 4
 2

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Digital Electronics
For checking the parity of a digital word, it is preferable to use

 NOR gates
 NAND gates
 X-OR gates
 AND gates

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Digital Electronics
A 32 × 10 ROM contains a decoder of size

 10 × 32
 32 × 32
 5 × 32
 32 × 10

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Digital Electronics
The binary number 10101 is equivalent to decimal number ___________.

27
12
19
21

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Digital Electronics
A computer has a word length of 8 bits (including sign). It is required to determine the range of integers that can be stored in the computer. If 2’s complement is used to represent the numbers, then the range will be

 -128 to 128
 -128 to 127
 -256 to 255
 -256 to 256

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Digital Electronics
A new Binary Coded Pantry (BCP) number system is proposed in which every digit of a base-5 number is represented by its corresponding 3-bit binary code. For example, the base-5 number 24 will be represented by its BCP code 010100. In this numbering system,the BCP code 100010011001 corresponds to the following number in base-5 system

 423
 4231
 1324
 2201

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