Questions

Q:

What are necessary conditions for dead lock?

Answer

1. Mutual exclusion (where at least one resource is non-sharable)


2. Hold and wait (where a process holds one resource and waits for other resource)


3. No preemption (where the resources can’t be preempted)


4. Circular wait (where p[i] is waiting for p[j] to release a resource. i= 1,2,…n


j=if (i!=n) then i+1


else 1 )

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Q:

How long is an IPv6 address?

A) 128 bytes B) 32 bits
C) 128 bits D) 32 bytes
 
Answer & Explanation Answer: C) 128 bits

Explanation:

IPv6 - Internet Protocol Version 6.

IPv6 addresses have a size of 128 bits.

Internet Protocol Version 6 [IPv6] is the successor to the Internet's first addressing infrastructure, Internet Protocol version 4 (IPv4).

In contrast to IPv4, which defined an IP address as a 32-bit value, IPv6 address have a size of 128 bits. 

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Q:

Which of the following element is NOT a metal?

 

A) Al   B) P  
C) Ca D) K
 
Answer & Explanation Answer: B) P  

Explanation:
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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams

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Q:

The p wave of a normal Electrocardiogram indicates

A) atrial depolarization B) Ventricular repolarization
C) atrial repolarization D) Ventricular depolarization
 
Answer & Explanation Answer: A) atrial depolarization

Explanation:

The P wave in the ECG represents atrial depolarization, which results in atrial contraction, or atrial systole.

The P wave is a summation wave generated by the depolarization front as it transits the atria.

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Filed Under: Physics
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Q:

At what temperature (in Fahrenheit) pure water freezes?

A) 0 B) 17
C) 32 D) 39
 
Answer & Explanation Answer: C) 32

Explanation:

32oFWe know that T(°F) = T(°C) × 1.8 + 3232(°F) = 0(°C)

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Filed Under: Physics
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Q:

Which city of Israel has been recognized as its New Capital by the United States of America?

 

A) Jerusalem B) Haifa
C) Bersheba D) Tel Aviv
 
Answer & Explanation Answer: A) Jerusalem

Explanation:
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Filed Under: General Awareness
Exam Prep: Bank Exams

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Q:

Closely stacked flattened sacs (plants only)

A) Vacuoles B) Lysosomes
C) Golgi apparatus D) None of the above
 
Answer & Explanation Answer: C) Golgi apparatus

Explanation:
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Filed Under: Biology
Exam Prep: AIEEE
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Q:

 Which isolation level does a database without logging default to?

A) committed read B) dirty read
C) mode ANSI D) repeatable read
 
Answer & Explanation Answer: B) dirty read

Explanation:
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Filed Under: IBM Certification

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