Questions

Q:

As per a UNESCO report released in october 2013, how many internal migrants  are there in India?

A) 200 million B) 400 million
C) 600 million D) 750 million
 
Answer & Explanation Answer: D) 750 million

Explanation:
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Q:

I will disappear every time you say my name. What am I?

A) Thief B) Silence
C) Shadow D) None
 
Answer & Explanation Answer: B) Silence

Explanation:
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Filed Under: Word Puzzles
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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Q:

' Mohs scale ' is used to indicate the

A) degree of brittleness of a substance B) degree of hardness of mineral
C) degree of viscosity of a liquid D) degree of elasticity of a material
 
Answer & Explanation Answer: B) degree of hardness of mineral

Explanation:
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Q:

Switching between portrait and landscape modes involves the

A) print layout view B) Arc map
C) header and footer toolbar D) page setup dialog box
 
Answer & Explanation Answer: D) page setup dialog box

Explanation:

Switching between portrait and landscape modes involves the page setup dialog box.

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Q:

Shivanasamudra Falls is situated on the bank of ______ river ?

A) Indus B) Kaveri
C) Ganga D) Brahmaputra
 
Answer & Explanation Answer: B) Kaveri

Explanation:
  • Shivanasamudra is a famous waterfall situated in Mandya District of Karnataka State. 
  • Gaganachukki and Barachukki Falls are collectively called as Shivanasamudra Falls.
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Filed Under: Indian Geography
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Q:

What are set up time & hold time constraints? What do they signify? Which one is critical for estimating maximum clock frequency of a circuit?

Answer

Suppose your flip-flop is positive edgetriggered. time for which data should be stable prior to positive edge clock is called setup is called setup time constraint.


Time for which data should be stable after the positive edge of clock is called as hold time constraint.


If any of these constraints are violate d then flip-flop will enter in meta stable state, in which we cannot determine the output of flip-flop.


there are two equation:


1. Tcq + Tcomb > Tskew + Thold


2. Tcq + Tcomb > Tskew + T - Tsetup


Tcq is time delay when data enters the flip flop and data comes at output of flip flop.


Tcomb is the logic delay between two flip flop.


Tskew is the delay of clock to flip flop: suppose there are two flip flop, if clock reaches first to source flip flop and then after some delay to destination flip flop, it is positive skew and if vice versa then negative  skew. 


so if you take 2 eq you will see that setup time is the determining factor of clock's time period.

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Subject: Hardware

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Q:

Select the odd term out of the following?

A) Internet B) Macintosh OSX
C) Linux Mint D) Windows 8.1
 
Answer & Explanation Answer: A) Internet

Explanation:

Internet is not an operating system.

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Q:

Which Indian city has been ranked the world's second most densely populated city with 31,700 people per sq km, by the World Economic Forum (WEF) citing UN Habitat Data  ?

A) Mumbai B) New Delhi
C) Kolkata D) Hyderabad
 
Answer & Explanation Answer: A) Mumbai

Explanation:

Mumbai has been ranked the world's second most densely populated city with 31,700 people per sq km, by the World Economic Forum (WEF) citing UN Habitat Data. Bangladesh's capital Dhaka topped the list with 44,500 people per sq km. Rajasthan's Kota has been ranked the world's seventh most densely populated city with 12,100 people per sq km.

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