Questions

Q:

What are the different job scheduling in operating systems?

Answer

Scheduling is the activity of the deciding when process will receive the resources they request.


FCS ---> FCSFS stands for First Come First Served. In FCFS the job that has been waiting the longest is served next.


Round Robin Scheduling--->Round Robin scheduling is a scheduling method where each process gets a small quantity of time to run and then it is preempted and the next process gets to run. This is called time-sharing and gives the effect of all the processes running at the same time


Shortest Job First ---> The Shortest job First scheduling algorithm is a nonpreemptive scheduling algorithm that chooses the job that will execute the shortest amount of time.


Priority Scheduling--->Priority scheduling is a scheduling method where at all times the highest priority process is assigned the resource.

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Q:

When someone clicks your ad, the actual amount you’re charged will be

A) The minimum needed to hold your ad position, under the maximum cost-per-click limit B) The minimum needed to hold your ad position or 50% of your maximum cost-per-click bid, whichever is greater
C) The minimum needed to hold your ad position but never more than 120% of your maximum cost-per-click bid, whichever is greater D) The minimum needed to hold your ad position but never less than 50% of your maximum cost-per-click bid, whichever is greater
 
Answer & Explanation Answer: A) The minimum needed to hold your ad position, under the maximum cost-per-click limit

Explanation:

When_someone_clicks_your_ad,_the_actual_amount_you’re_charged_will_be1551856891.png image

When someone clicks your ad, the actual amount you’re charged will be " The minimum needed to hold your ad position, under the maximum cost-per-click limit ".

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Q:

Gametes are produced by the process of

A) Mitosis B) Meiosis
C) Both A & B D) None of the above
 
Answer & Explanation Answer: B) Meiosis

Explanation:

A gametes are haploid cells as they have only one set of chromosomes. Meiosis is a process of cellular reproduction in which both male and female gametes are formed. During meiosis, the DNA is only replicated or copied one time.

Gametes_are_produced_by_the_process_of1560944987.png image

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Q:

A kilowatt-hour is unit of

A) Power B) Electric charge
C) Energy D) Electric current
 
Answer & Explanation Answer: C) Energy

Explanation:

The kilowatt hour (kW⋅h) is a composite unit of energy equivalent to one kilowatt (1 kW) of power sustained for one hour.

One watt is equal to 1 J/s. One kilowatt hour is 3.6 megajoules.

 

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Filed Under: Physics
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Q:

Which of the following is a renewable resource of energy?

A) Hydrogen fuel B) Wind energy
C) Solar energy D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Renewable energy is energy that is collected from renewable resources, which are naturally replenished on a human timescale, such as sunlight, wind, rain, tides, waves, and geothermal heat.

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Q:

Who becomes 1st player to win all 3 top ICC Awards?

A) Rohit Sharma B) Virat Kohli
C) M S Dhoni D) Shaun Marsh
 
Answer & Explanation Answer: B) Virat Kohli

Explanation:

who_becomes_1st_player_to_win_all_3_top_ICC_Awards1548139116.jpg image

 

Virat Kohli becomes 1st player to win all 3 top ICC Awards :-

1. Sir Garfield Sobers Trophy for ICC Cricketer of the Year,

2. ICC Men’s Test Player of the Year &

3. ICC ODI Player of the Year for 2018.

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Q:

In India, some of the Fundamental Rights can be suspended during of

A) Festivals B) Elections
C) Wars D) Floods
 
Answer & Explanation Answer: C) Wars

Explanation:

During any emergency of wars, some of the Fundamental Rights can be suspended that is what mentioned in constitution of India.

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Q:

When a chemical bond is broken energy is

A) transferred B) released
C) used D) None of the above
 
Answer & Explanation Answer: C) used

Explanation:

Bond breaking is an endothermic process.

Hence, bond breakage needs an amount of energy and uses some energy based on the strength of the bond to break the bond.

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