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:

The given sentences, when properly sequenced, form a coherent paragraph. Each sentence is labelled with a letter. Choose the most logical order of the sentences from among the five given choices to construct a coherent paragraph keeping 1 as the first statement.

1) In Hindu mythology, when Shiva opens his third eye, it is considered a terrible warning for the cosmos.

A) In somewhat similar fashion, in 2017, women across the world seemed to declare war — on harassment, abuse, rape, inequality and every form of injustice.

B) Anger, however, is only one facet of the fight for empowerment. Concomitantly, the year saw women stack up achievements on an unprecedented scale.

C) It means he is angry enough to incinerate anything that comes in his way.

D) Across the world, there was a furious outpouring of rage against men in power, men on the street, men at home, and in families.

A) ABCD B) CBDA
C) DBAC D) DACB
 
Answer & Explanation Answer:

Explanation:

The correct sequence is CADB.

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Q:

A yellow element that stinks when burned

A) Bromine B) Sulphur
C) Chlorine D) Fluorine
 
Answer & Explanation Answer: B) Sulphur

Explanation:

A yellow element that stinks when burned is Sulphur.

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Q:

Which company is nicknamed Big Blue?

A) Infosys B) IBM
C) Oracle D) Accenture
 
Answer & Explanation Answer: B) IBM

Explanation:

IBM - International Business Machines Corporation has a nickname as Big Blue.

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Q:

What document is the supreme law of the land?

A) The constitution B) The senate
C) The bill D) All of the above
 
Answer & Explanation Answer: A) The constitution

Explanation:
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Q:

Final goods and services refer to

A) goods and services purchased by ultimate users, rather than for resale or further processing B) goods and services whose value has been adjusted for changes in the price level
C) the excess of U.S. exports over U.S. imports D) goods and services that are unsold and therefore added to inventories
 
Answer & Explanation Answer: A) goods and services purchased by ultimate users, rather than for resale or further processing

Explanation:

Final goods and services refer to goods and services that have been purchased for final use and that cannot be resaled.

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Q:

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement". 
 
she thought she (have rediscovered) her real self after a long time

A) had rediscovered B) Had rediscover
C) had rediscovering D) no improvement
 
Answer & Explanation Answer: A) had rediscovered

Explanation:
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Q:

What organelle carries out photosynthesis?

A) Chloroplasts B) Ribosomes
C) Chromosomes D) All of the above
 
Answer & Explanation Answer: A) Chloroplasts

Explanation:

Chloroplasts contains chlorophyll, the green substance in plants that allows them to create food from carbon dioxide and water called as photosynthesis.

 

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