Q. Match the following IC families with their basic circuits :
a. TTL                          1. NAND
b. ECL                         2. NOR
c. CMOS 3. Inverter

Code : a b c

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Q. What is the result of the following expression
(1 & 2) + (3 & 4)

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Q. Match the following :
a. TTL                          1. High fan out
b. ECL                         2. Low propagation delay
c. CMOS                     3. High power dissipation

Code : a b c

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Q. Identify the operation which is commutative but not associative ?

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Q. Extremely low power dissipation and low cost per gate can be achieved in:

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Q. An example of a universal building block is

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Q. The dual of a Boolean expression is obtained by interchanging

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Q. Given that (292)10 = (1204)x in some number system x. The base x of that number system is

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Q. The sum of products, expansion for the function
F(x, y, z) = (x, + y) z' is given as

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Q. The BCD adder to add two decimal digits needs minimum of

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Q. The Excess-3 decimal code is a self-complementing code because

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Q. The equivalent hexadecimal notation for octal number 2550276 is :

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Q. A byte addressable computer has a memory capacity of 2m Kbytes and can perform 2n operations. An instruction involving 3 operands and one operator needs a maximum of

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Q. One of the main features that distinguish microprocessor from micro-computers is

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Q. Consider a code with five valid code words of length ten :
0000000000, 0000011111, 1111100000, 1110000011, 1111111111
Hamming distance of the code is

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Q. Which of the following logic expressions is incorrect ?

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Q. The IEEE-754 double precision format to represent floating point numbers, has a length of _____ bits.

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Q. The Simplified form of a Boolean equation for the following truth table is

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Q. The Simplified form of a Boolean equation (AB'+AB'C+Ac)(A'C' +B') is

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Q. In a Positive edge triggered JK flip-flop, if J and K both are high then the output will be _______ on the rising edge of the clock.

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