GATE Questions

Q:

getppid() system call is used to bias the existing priority of a process 

A) TRUE B) FALSE
Answer & Explanation Answer: B) FALSE

Explanation:

It is used to get parent process identifier

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Subject: Operating Systems
Exam Prep: GATE

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Q:

Which among the following is a system call used for process management

A) fork() B) exec()
C) getppid() D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

All the above listed are the System calls for process management

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Filed Under: Operating Systems
Exam Prep: GATE
Job Role: Software Architect

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Q:

What scheme does the Kernel in Unix System V follow while choosing a swap device among the multiple swap devices?

Answer

Kernel follows Round Robin scheme choosing a swap device among the multiple swap devices in Unix System V.

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Subject: Operating Systems Exam Prep: GATE

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Q:

The percentage discount offered for "Buy 6 get 1 free is" ?

A) 85.78 % B) 58. 48 %
C) 19.25 % D) 14.285 %
 
Answer & Explanation Answer: D) 14.285 %

Explanation:

Total Items = 7
Discounted = 1
Percentage = 1/7 x 100
= 14.285%

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Q:

Which Wins Patent for Flying Warehouse to Deliver Parcels via Drones ?

A) Flipkart B) Snapdeal
C) Amazon D) Paytm
 
Answer & Explanation Answer: C) Amazon

Explanation:

The U.S. e-commerce giant, Amazon has been awarded a patent for launching a giant flying warehouse that would acts as a launch pad for drones to deliver items within minutes.The patent reveals plans for setting up an “Airborne Fulfillment Center” (AFC) such as an Airship or Blimp, floating at an altitude of around 45,000 and stocked with lots of products especially in area where the demand for certain items is expected to be high. When a customer places an order, a drone or unmanned aerial vehicles (UAV) will fly down and deliver the package. The patent claims that this would require little or no power because the drone would be gliding down rather than having to take off and land.

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Filed Under: General Awareness
Exam Prep: Bank Exams , CAT , GATE , GRE
Job Role: Bank Clerk , Bank PO

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