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TCS Ninja Data Types Quiz-1

Question 1

Time: 00:00:00

Neelam wants to share her code with a colleague, who may modify it. Thus she wants to include the date of the program creation, the author and other she wants to include the date of the program creation, the author and other information with the program. What component should she use?

header files

Iteration

Comments

pre processor

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Comments in the codes are used to explain what is happening in the code. It is helpful as if one coder writes code he also writes comments so that other developers can understand easily about the coding logic.

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Pre processor

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Question 2

Time: 00:00:00

What is the output of the following code statements? The compiler saves the first integer at the memory location 4165 and the rest at consecutive memory spaces in order of declaration. Integer is one byte long.

integer a

pointer c, d

a = 30c = &a

c = &a

d = c

a = a + 10

print *c

4165

4166

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c=40

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Question 3

Time: 00:00:00

A data type is stored as a 6 bit signed integer. Which of the following cannot be represented by this data type?

-12

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2^6 = 64. So you can represent 64 values. This means 0 to 63 for unsigned integer and -32 to 31 for signed integer (twos complement).

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Question 4

Time: 00:00:00

A language has 28 different letters in total. Each word in the language iscomposed of maximum 7 letters. You want to create a data-type to store a word ofthis language. You decide to store the word as an array of letters. How many bytes will you assign to the data-type to be able to store all kinds of words of the language.

196

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Question 5

Time: 00:00:00

A 10-bit unsigned integer has the following range:

0 to 1025

0 to 1000

0 to 1023

0 to 1024

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2^10=1024 so range of unsigned integer will be 0 to 1023

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Question 6

Time: 00:00:00

Parul takes as input two numbers: a and b. a and b can take integer valuesbetween 0 and 255. She stores a, b and c as 1-byte data type. She writes the following code statement to process a and b and put the result in c.
c = a + 2*b
To her surprise her program gives the right output with some input values of a and b, while gives an erroneous answer for others. For which of the following inputs will it give a wrong answer?

a = 200 b = 10

a = 10 b = 200

a = 50 b = 100

a = 100 b = 50

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0 to 255 integers are accepted when a=10 b=200 c =410 > 255 when a=200 b=10 c=220<255 when a=50 b=100 c=250<255 when a=100 b=50 c=200<255 so, option 1 gives wrong output

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Question 7

Time: 00:00:00

Which is used to convert source code to target language

Linked

Loader

Executer

Compiler

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Question 8

Time: 00:00:00

Tricha wants to store a list of binary data.Which of following data types should she use?

Boolean

Integer

Character

Float

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As boolean can store only two values. True or False

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Question 9

Time: 00:00:00

Which of the following options is an exception to being a part of composite data types?

Arrays

Structure

Union

Stacks

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Stack is an Application of Arrays. It is not a data type

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Question 10

Time: 00:00:00

Which data type is most suitable for storing a number 65000 in a 32-bit system?

short

int

long

double

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65000 comes in the range of short (16-bit) which occupies the least memory. Signed short ranges from -32768 to 32767 and hence we should use unsigned short.

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["0","40","60","80","100"]

["Need more practice! \r\n \r\n \r\n","Keep trying! \r\n \r\n \r\n","Not bad! \r\n \r\n \r\n","Good work! \r\n \r\n \r\n","Perfect! \r\n \r\n \r\n"]

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