MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

DIGITAL LOGIC

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the circuit number of the IC that contains four two-input AND gates in standard TTL?
A
7402
B
7408
C
7432
D
7486
Explanation: 

Detailed explanation-1: -The first part number in the series, the 7400, is a 14-pin IC containing four two-input NAND gates.

Detailed explanation-2: -Specifications. The 7408 is a QUAD 2-Input AND gates and contains four independent gates each of which performs the logic AND function.

Detailed explanation-3: -The 74LS32 is a Dual Input OR Gate with Quad package. It contains four independent gates each of which performs the logic OR function. Each gate has two inputs that’s why it is named Quad 2-Input OR Gate.

Detailed explanation-4: -7408 IC (AND Gates): 4 gates on this package, each with 2 input pins, 1 output pin.

Detailed explanation-5: -7408 IC is a QUAD 2-Input AND GATES and contains four independent gates each of which performs the logic AND function.

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