MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

COMPUTER ORGANIZATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
is a:
A
Quad two input OR Gate IC
B
Quad two input AND Gate IC
C
Dual four input OR Gate IC
D
Triple three input OR Gate IC
Explanation: 

Detailed explanation-1: -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-2: -Each gate has two inputs that’s why it is named Quad 2-input or Gate. Logic level gates like 74LS32 and flip-flops play a vital role in digital electronics.

Detailed explanation-3: -The ‘FCT157T devices are quad two-input multiplexers that select four bits of data from two sources under the control of a common data-select (S) input. The output-enable (E) input is active low. When E is high, all of the outputs (Y) are forced low, regardless of all other input conditions.

Detailed explanation-4: -The 7408 is a QUAD 2-Input AND gates and contains four independent gates each of which performs the logic AND function.

Detailed explanation-5: -The MC74VHCT00A is an advanced high speed CMOS 2−input NAND gate fabricated with silicon gate CMOS technology. It achieves high speed operation while maintaining CMOS low power dissipation. The internal circuit is composed of three stages, including a buffer output which provides high noise immunity and stable output.

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