Table of Contents
- 1 Why are NAND gates better than and gates?
- 2 Why mostly NAND gates are used to realize the combinational circuits rather than NOR gates?
- 3 What is the importance of NAND gate?
- 4 Why is NAND used more than NOR?
- 5 Which of the following is equivalent to and/or realization a NAND OR realization B NOR NOR realization C NAND-NAND realization d none of these?
Why are NAND gates better than and gates?
A universal gate is a gate which can implement any Boolean function without need to use any other gate type. The NAND and NOR gates are universal gates. In practice, this is advantageous since NAND and NOR gates are economical and easier to fabricate and are the basic gates used in all IC digital logic families.
Why NAND and NOR gates are more popular what are they commonly known as?
NAND and NOR gates are more popular as these are less expensive and easier to design. Also other functions NOT AND OR can easily be implemented using NAND/NOR gates. Thus NAND NOR gates are also referred to as Universal Gates.
Why mostly NAND gates are used to realize the combinational circuits rather than NOR gates?
The reasons given online say: NAND has lesser delay than Nor due to the NAND PMOS (size 2 and in parallel) when compared to NOR PMOS (size 4 in series). According to my understanding delay would be the same.
Why NAND NAND realization is preferred over and/or realization?
Explain why NAND-NAND realization is preferred over AND-OR realization? NAND-NAND realization needs only one type of gate(NAND), that minimizes IC package counter. 18. NAND gate is called universal gate because any digital system can be implemented with the NAND gate.
What is the importance of NAND gate?
The NAND gate or “NotAND” gate is the combination of two basic logic gates, the AND gate and the NOT gate connected in series. The NAND gate and NOR gate can be called the universal gates since the combination of these gates can be used to accomplish any of the basic operations.
What are universal gates why it is popular?
NAND and NOR gates are known as universal gates. They are called universal gates because they can perform all logic functions of OR, AND, and NOT gates.
Why is NAND used more than NOR?
In general, cells are designed to have similar drive strength of pull up and pull down structures to have comparable rise and fall time. NAND gate has better ratio of output high drive and output low drive as compared to NOR gate. Hence NAND gate is preferred over NOR.
What is the advantage of NAND gate?
Advantages and Disadvantages of NAND -Cost: NAND is cost-effective per byte and has a high storage capacity for its physical size. -Endurance: NAND cells eventually wear out as their transistors degrade.
Which of the following is equivalent to and/or realization a NAND OR realization B NOR NOR realization C NAND-NAND realization d none of these?
The NAND-NAND realization is equivalent to AND-OR realization. Bubbled inputs of OR gate will results a NAND gate and compliment of AND gate is a NAND gate. Therefore, NAND-NAND realization is equivalent to AND-OR realization and vice versa.
Can NAND gates be cascaded like and Gates explain?
The NAND gate is represented by a symbol whose shape resembles the AND gate with a circle followed, often known as an “inversion circle.” NAND logic gates are capable of being cascaded together in a expression or circuit to get more inputs. It is capable of producing all other logic gates, including basic ones.