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HackerRank Bit Mapping and Hashing Quiz-1

Question 1

Time: 00:00:00
Bit Mapping is a sort of data structure in which 

map boolean information for a huge domain into a compact representation

map boolean information for a huge domain into a compact representation

map logical information for a huge domain into a compact representation

map logical information for a huge domain into a compact representation

map  information for a huge domain into a compact representation

map  information for a huge domain into a compact representation

all

all

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Question 2

Time: 00:00:00
Bit mapping is basically used when 

mapping the data bits is at premium

mapping the data bits is at premium

a support is required for bit manipulation operators

a support is required for bit manipulation operators

memory space is at a premium

memory space is at a premium

all

all

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Question 3

Time: 00:00:00
Which among the following do we use for bit manipulation operations?

Tilemap

Tilemap

Redis

Redis

Vector Graphics

Vector Graphics

all

all

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Question 4

Time: 00:00:00
Bit Mapping is also Known as

 

Bit Array

Bit Array

Bitmap Index

Bitmap Index

Bitmap

Bitmap

all

all

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Question 5

Time: 00:00:00
The type of a memory organization where ----------------------------- is known as BItmap.

where we are able to store digital images

where we are able to store digital images

where we are able to store  images

where we are able to store  images

a and b

a and b

None

None

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Question 6

Time: 00:00:00
A device-independent bitmap is used to:-

define device-independent bitmaps

define device-independent bitmaps

allow bitmaps to move from one device to another

allow bitmaps to move from one device to another

transport as metafiles

transport as metafiles

all

all

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Question 7

Time: 00:00:00
To track memory related information,what type of bitmaps are being used?

device-dependent bitmap

device-dependent bitmap

Free-Space bitmaps

Free-Space bitmaps

device-independent bitmap

device-independent bitmap

Memory-Space bitmap

Memory-Space bitmap

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Question 8

Time: 00:00:00
What is the functionality of free-space bitmaps?

Used to track free sectors in the memory

Used to track free sectors in the memory

Used to track allocated sectors by files 

Used to track allocated sectors by files 

Used to clean the garbage in the memory

Used to clean the garbage in the memory

all

all

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Question 9

Time: 00:00:00
Select the disadvantages associated with the free-space bitmaps?

poor scalability

poor scalability

fragmentation

fragmentation

wasteful on large disks 

wasteful on large disks 

all

all

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Question 10

Time: 00:00:00
Why do we use bitmap indexes?

results generated by them are also bitmaps

results generated by them are also bitmaps

can be efficiently reused

can be efficiently reused

can efficiently answer complex queries

can efficiently answer complex queries

all

all

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