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Q:

Give two ways of converting a two input NAND gate to an inverter.

Answer

One way is shorting the two inputs of the NAND gate and passing the input.


truth table:


A B output


1 1 0


0 0 1


The second way is passing the input to only one input (say A) of the NAND gate. Since the other input  (say B is floating, it is always logic one.


Truth table:


A B output


1 1 0 


0 1 1

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Subject: Hardware

1 3415
Q:

If a > b > 0, AB = a - b cm, BC = 2√ab cm, then ∠ABC is

A)  45° B)  60
C)  90° D)  120°
 
Answer & Explanation Answer: C)  90°

Explanation:
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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: GATE , Bank Exams , AIEEE

16 3413
Q:

What color is Lobster blood?

A) Blue B) White
C) Red D) Colourless
 
Answer & Explanation Answer: A) Blue

Explanation:

Lobsters, like snails and spiders, have blue blood due to the presence of hemocyanin, which contains copper. In contrast, vertebrates and many other animals have red blood from iron-rich hemoglobin.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank PO

2 3413
Q:

The ‘four great needs’ of the people as identified by the Guomindang were

A) clothing food, housing and transportation B) education food, housing and health care
C) food, housing, education and employment   D) employment housing, education and health care
 
Answer & Explanation Answer: A) clothing food, housing and transportation

Explanation:

Founded in 1912, the Kuomintangis the oldest still active political party in the Chinese-speaking world.Its main leader was Sun Yat-Sen. He divided the livelihood into four parts: clothing, food, housing and transportation.

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Filed Under: Indian History

2 3412
Q:

Who advocated the theory of laissez Faire

A) Marshall B) Malthus
C) Adam smith D) None of these
 
Answer & Explanation Answer: C) Adam smith

Explanation:
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Filed Under: Famous Personalities

1 3412
Q:

How many Indians have so far been awarded the Nobel Prize

A) 2 B) 3
C) 4 D) More than 4
 
Answer & Explanation Answer: D) More than 4

Explanation:
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Filed Under: Honours and Awards

0 3411
Q:

What is NETBIOS and NETBEUI

Answer

NETBIOS is a programming interface that allows I/O requests to be sent to and received from a remote computer and it hides the networking hardware from applications.


NETBEUI is NetBIOS extended user interface. A transport protocol designed by microsoft and IBM for the use on small subnets.

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Subject: Networking
Job Role: Network Engineer

3 3411
Q:

Among all two-legged creatures, which creature runs the fastest?

Answer

Ostrich

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Subject: Animals and Birds

21 3410