O Level Online Test | O Level Python Flowcharts and Algorithm | O Level M3 R5 Online Test

01. प्राकृत संख्या 1 भी एक है?
01. A natural number 1 is also a/an:

A) Prime number
B) Real number
C) Integer number
D) None of the above

--- Answer is----> C) Integer number

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02. अभाज्य संख्या एक संख्या है जो _______ है?
02. Prime number is a number that is_______?

A) Divisible by 1
B) Divisible by 1 and by itself
C) Divisible by 10 and by itself except the number 1
D) None of the above

--- Answer is-----> B) Divisible by 1 and by itself

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03. दो संख्याओं की अदला-बदली किसके द्वारा की जाती है?
03. Swapping of two numbers is done by

A) Directly interchanging their values with each other
B) Storing the value of one in a temporary variable and shifting the value of the other into the first and then copying the value of temporary to the other
C) Transferring one number to other number without storing any number in the temp variable
D) None

--- Answer is-----> B) Storing the value of one in a temporary variable and shifting the value of the other into the first and then copying the value of temporary to the other

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04. किसी सरणी को संख्याओं के आरोही क्रम में छाँटना ______ की प्रक्रिया है।
04. Sorting an array in the ascending order of numbers is the process of:

A) Putting the largest number first and smallest in the last
B) Putting the smallest number first and the largest number in the last
C) Putting the numbers in way you desire
D) None of the above

--- Answer is-----> B) Putting the smallest number first and the largest number in the last

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05. दो संख्याओं का GCD है___
05. GCD of two numbers is:

A) The smallest number which is a common factor of the given numbers
B) 1 for all numbers
C) The largest number which is a common factor of the given numbers
D) None of These

--- Answer is-----> C)The largest number which is a common factor of the given numbers

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06. मैट्रिक्स ए (एम * एन) और (एन * पी) का उत्पाद मैट्रिक्स सी होगा जिसमें पंक्ति और कॉलम इस प्रकार होंगे?
06. Product of matrices A (m*n) and (n*p) will be matrix C with row and columns as:

A) m and p
B) n and p
C) p and n
D) n*m and n*p

--- Answer is-----> A) m and p

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07. 1 से n तक की सभी प्राकृत संख्याओं का गुणनफल कहलाता है
07. The product of all natural numbers from 1 to n is called:

A) nⁿ
B) n * n
C) n!
D) None of the above

--- Answer is-----> C) n!

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State true or False for the following:

1.       The elements of an array A of dimension N are represented as A [1], A [2],  …… A [N]. T

2.       The product of the two matrices A[ij] and B[jk] is a matrix C[ik]. T

3.       The series 1,2,3,4,8,13 is a Fibonacci series. F

4.       In an array of ascending order of numbers, the largest number is the last element of the array and smallest number is the first element of the array. T

5.       Multiplications of two matrices is possible only when they are compatible.  T

6.       Algorithm is the graphical representation of logic.  F

7.       Algorithm id helpful to understand problems and plan out solution. T

Match the following:

Fill in the blanks:

1.       The GCD of the numbers 120 and 64 is   8.

2.       The numbers 31 is a Prime number because it is divisible by  1 or by itself only.

3.       In Fibonacci series, the Previous two number are added to generate the Fibonacci number.

4.       Square root of a number is that number which multiplied by Itself gives the original number.

5.       Sin (x) is defined as    Where x is expressed in   Radians.

6.       The Terminal symbol is used to indicate the beginning and end of the flowchart.

7.       A Connector symbol is represented by a circle and a letter or digit placed within the circle.

8.       Pseudocode is a program analysis tool that is used for planning program logic.

9.       Pictorial representation of an algorithm is  Flowchart .

10.   Diamond shape is used to show  Condition  in a flowchart.

11.   Flowchart tool is used for Program designing.