Questions

Q:

What is Memory-Management Unit (MMU)?

Answer

Hardware device that maps virtual to physical address. In MMU scheme, the value in the relocation register is added to every address generated by a user process at the time it is sent to memory.


->The user program deals with logical addresses; it never sees the real physical addresses

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Q:

Define Executive Plan in Database SQL ?

Answer

Executive plan can be defined as:


* SQL Server caches collected procedure or the plan of query execution and used thereafter by subsequent calls.


* An important feature in relation to performance enhancement.


* Data execution plan can be viewed textually or graphically.

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Q:

Dihang is the other name for the Indian river

A) Indus B) Brahmaputra
C) Narmada D) Chenab
 
Answer & Explanation Answer: B) Brahmaputra

Explanation:

Indian river Brahmaputra is also known as Dihang.

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Filed Under: Indian History
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Q:

Which must be true for metamorphism to occur?

A) The grain size must become smaller B) The process must take place underwater
C) The parent rock must be in solid form D) The parent rock must be igneous
 
Answer & Explanation Answer: C) The parent rock must be in solid form

Explanation:

Metamorphism is the method of changing the structure of a rock by using heat and temperature.

Hence, for this to happen the parent rock must be in solid form only. Therefore, option C) is true.

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Filed Under: Physics
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Q:

Each item consists of six sentences of a passage. The first and sixth sentences are given in the beginning as S1 and S6. The middle four sentences in each have been jumbled up and labelled as P, Q, R and S. You are required to find the proper sequence of the four sentences and markyour response accordingly on the Answer Sheet.


S1 :India’s museums tend to be dreary experiences.
S6 :Because it’s better to attract crowds than dust.
P :Even the Louvre that attracted an eye-popping 8.1 million visitors last year compared to India’s 10.18 million foreign tourists, has hooked up with Beyonce and Jay-Z for promotion, where they take a selfie with Mona Lisa.
Q : Our museums need to get cool too.
R : A change of approach is clearly called for.
S:Troops of restless schoolchildren are often the most frequent visitors, endlessly being told to lower their voices and not touch the art.

The correct sequence should be

A) P Q R S B) P R S Q  
C) S R P Q   D) Q S R P
 
Answer & Explanation Answer: D) Q S R P

Explanation:
QSRP is the correct order in which sentences should be arranged.
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Filed Under: English
Exam Prep: Bank Exams

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Q:

What is autonomous system?

Answer

It is a collection of routers under the control of a single administrative authority and that uses a common Interior Gateway Protocol

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Subject: Networking
Job Role: Network Engineer

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Q:

Which of the following statements is most accurate regarding infection with parvovirus B19?

A) Parvovirus B19 causes severe anemia because it preferentially infects erythrocyte precursors B) Parvovirus B19 can cause hydrops fetalis via transplacental infection of a fetus in a seropositive mother
C) Parvovirus B19 can be diagnosed by detection of viral RNA using PCR or hybridization assays D) Parvovirus B19 replicates in the host cell nucleus utilizing a virally encoded DNA polymerase to create a double- stranded DNA intermediate
 
Answer & Explanation Answer: A) Parvovirus B19 causes severe anemia because it preferentially infects erythrocyte precursors

Explanation:

Parvovirus B19 causes severe anemia because it preferentially infects erythrocyte precursors.

 

a. Parvovirus B19 binds preferentially to the erythrocyte blood group P antigen on erythroid precursor cells.

Answers B, C, D are incorrect:

b. after entry the single-stranded viral DNA genome is transported to the cell nucleus where the host DNA polymerase synthesizes the complimentary DNA strand.

c. Parvovirus B19 infection can be diagnosed by direct detection of viral DNA not RNA.

d. the fetus of a seropositive mother is protected from infection by maternal circulating antibodies.

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Filed Under: Biology
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Q:

Gestalt psychology attempted to discover

A) the overall patterns of perceptions and thoughts B) the unconscious motivations for human functioning
C) how the mind helped people adapt to the world D) the basic building blocks of consciousness
 
Answer & Explanation Answer: A) the overall patterns of perceptions and thoughts

Explanation:
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Filed Under: General Science
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