





















































Study with the several resources on Docsity
Earn points by helping other students or get them with a premium plan
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
Community
Ask the community for help and clear up your study doubts
Discover the best universities in your country according to Docsity users
Free resources
Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors
computer science previous year paper
Typology: Exams
1 / 61
This page cannot be seen from the preview
Don't miss anything!
Cocubes Previous Papers www.mygeekmonkey.com
Topics Subtopics Expected Questions
Aptitude Module ( min)
● English Usage
15 Questions
● Reading Comprehension ● Grammar including Articles, Prepositions, Sentence Correction, Speech ● Tenses - Verbal Ability including Synonyms, Antonym, Spellings, Idioms and Phrases
● Analytical Reasoning ● Visual Reasoning ● Statement & Conclusions ● Relationships ● Logical Reasoning ● Attention to Details and Flowcharts
● Numerical Reasoning ● Time & Work ● Speed & Distance ● Algebra ● Equations ● Progressions ● Profit & Loss ● Ratios ● Averages ● Geometry and Data Interpretation
https://www.instamojo.com/wishkaushik/cocubes-quants-questions-previous-paperes
https://www.instamojo.com/wishkaushik/cocubes-analytical-and-logical-reasoning-que
Ans: 2,1,
Answer: xy'+z
Ans: 3
Ans: Both(A) & (B)
Ans: C. broadcast,unicast
6.what is the binary equivalent of the number 368? a. b. c. d.
Ans: c.
7.what will be the output of the follwing loop? #include<stdio.h> main() { While(Printf(“%d”, printf(“az”))) Printf(“by”); } a.none of these b.it gives syntax error c.it will print azbyazbyazbyazby… d.it will print azbybyby…
Ans: c.it will print azbyazbyazbyazby…
8.which of the following combinations of the variables x,y,z makes the variable ‘a’ get the value 4 In the following expression? A=(x>y)?((x>z)?x:z):( (y>z)?y:z) a.x=3;y=4;z=2 b.x=6;y=5;z=3 c.x=5;y=4;y=5 d.x=6;y=3;z=
Ans: a.x=3;y=4;z=
9.press the enter key in all of the circumstances except………… a.to insert a blank line into a document b.to begin a new paragraph c.when the insertion point reaches the right margin d.in response to certain word commands
Ans: c.when the insertion point reaches the right margin
10.what will be the output of the following c code? #include<stdio.h> Int main() { Int a =0,b=1,c=2; *( ( a+1==1)? &b : &a)= a? b : c; Printf(“%d, %d, %d \n” a , b, c ;) return 0; } Options: a. 0,1,2 b. 2,2,2 c. 0,2,2 d. 1,1, Ans: Not Available, if you solve it please comment the answer below in comment sections :) thanks
11.The following fragment of c program will print? char c[ ] = “DATA1234” char * P = C; printf (“%S” P+P[3]-P[1]);
a) session layer b) presentation layer c) Transport layer d) Network layer
Ans: Transport Layer
Ans: Presentation Layer
Ans: Not Available, if you solve it please comment the answer below in comment sections :) thanks
Ans: Red X
Ans: Not Available, if you solve it please comment the answer below in comment sections :) thanks
Ans: Not Available, if you solve it please comment the answer below in comment sections :) thanks
Ans: 0
Ans: Byte Code
Ans: Dot per sq.inch
32.The number of full and half adders required to add 16-bit numbers is: a.16 half-adders,0 full-adders b.8 half –adders,8 full-adders c.4 half-adders,12 full-adders d.1 half-adder,15 full-adders
Ans: d.1 half-adder,15 full-adders
Ans: d.drag the mouse pointer through the characters to be selected
34.what will be the output of following C code?
a.4 b.1 c.2 d.
Ans: 6
Op 2: 0 to 1024 Op 3: 1 to 1025 Op 4: 0 to 1023 Op 5: Correct Op : 4
Ques5. Rajni wants to create a data-type for the number of books in her book case. Her shelf can accommodate a maximum of 75 books. She allocates 7 bits to the datatype. Later another shelf is added to her book-case. She realizes that she can still use the same data-type for storing the number of books in her book-case. What is the maximum possible capacity of her new added shelf? Op 1: 52 Op 2: 127 Op 3: 53 Op 4: 75 Op 5: Correct Op : 1
Ques6. A new language has 15 possible letters, 8 different kinds of punctuation marks and a blank character. Rahul wants to create two data types, first one which could store the letters of the language and a second one which could store any character in the language. The number of bits required to store these two data-types will respectively be: Op 1: 3 and 4 Op 2: 4 and 3 Op 3: 4 and 5 Op 4: 3 and 5 Op 5: Correct Op : 3
Ques7. Parul takes as input two numbers: a and b. a and b can take integer values between 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? Op 1: a = 10 b = 200 Op 2: a = 200 b = 10 Op 3: a = 50 b = 100 Op 4: a = 100 b = 50 Op 5:
Correct Op : 1
Ques8. Prashant takes as input 2 integer numbers, a and b, whose value can be between 0 and 127. He stores them as 7 bit numbers. He writes the following code to process these numbers to produce a third number c. c = a - b In how many minimum bits should Prashant store c? Op 1: 6 bits Op 2: 7 bits Op 3: 8 bits Op 4: 9 bits Op 5: Correct Op : 3
Ques9. Ankita takes as input 2 integer numbers, a and b, whose value can be between 0 and 31. He stores them as 5 bit numbers. He writes the following code to process these numbers to produce a third number c. c = 2*(a - b) In how many minimum bits should Ankita store c? Op 1: 6 bits Op 2: 7 bits Op 3: 8 bits Op 4: 9 bits Op 5: Correct Op : 2
Ques10. A character in new programming language is stored in 2 bytes. A string is represented as an array of characters. A word is stored as a string. Each byte in the memory has an address. The word "Mahatma Gandhi" is stored in the memory with starting address 456. The letter 'd' will be at which memory address? Op 1: 468 Op 2: 480 Op 3: 478 Op 4: 467 Op 5: Correct Op : 3
Ques11. Stuti is making a questionnaire of True-false questions. She wants to define a data-type which stores the response of the candidate for the question. What is the most-suited data type for this purpose? Op 1: integer Op 2: boolean
Op 1: 120 Op 2: 125 Op 3: 255 Op 4: 250 Op 5: Correct Op : 3
Ques15. What will be the output of the following code statements? integer a = 10, b = 35, c = 5 print a * b / c - c Op 1: 65 Op 2: 60 Op 3: Error Op 4: 70 Op 5: Correct Op : 1
Ques16. integer a = 10, b = 35, c = 5 Comment about the output of the two statements? print a * b + c / d print c / d + a * b Op 1: Differ due to left-to-right precedence Op 2: Differ by 10 Op 3: Differ by 20 Op 4: Same Op 5: Correct Op : 4
Ques17. integer a = 40, b = 35, c = 20, d = 10 Comment about the output of the following two statements: print a * b / c - d print a * b / (c - d) Op 1: Differ by 80 Op 2: Same Op 3: Differ by 50 Op 4: Differ by 160 Op 5: Correct Op : 1
Ques18. integer a = 60, b = 35, c = - What will be the output of the following two statements: print ( a > 45 OR b > 50 AND c > 10 )
print ( ( a > 45 OR b > 50 ) AND c > 10 ) Op 1: 0 and 1 Op 2: 0 and 0 Op 3: 1 and 1 Op 4: 1 and 0 Op 5: Correct Op : 4
Ques19. What will be the output of the following pseudo-code statements: integer a = 984, b= //float is a data-type to store real numbers. float c c = a / b print c Op 1: 984 Op 2: 98. Op 3: 98 Op 4: Error Op 5: Correct Op : 3
Ques20. What will be the output of the following pseudo-code statements: integer a = 984 //float is a data-type to store rational numbers. float b= 10, c c = a / b print c Op 1: 984 Op 2: Error Op 3: 98. Op 4: 98 Op 5: Correct Op : 3
Ques21. Smriti wants to make a program to print the sum of square of the first 5 whole numbers (0...4). She writes the following program: integer i = 0 // statement 1 integer sum = 0 // statement 2 while ( i < 5 ) // statement 3 { sum = i*i // statement 4 i = i + 1 // statement 5
Op 3: Statement 3 Op 4: Statement 4 Op 5: Correct Op : 2
Ques24. Sharmili wants to make a program to print the sum of all perfect cubes, where the value of the cubes go from 0 to 100. She writes the following program: integer i = 0, a // statement 1 integer sum = 0; a = ( i * i * i ) while ( i < 100 ) // statement 2 { sum = sum + a // statement 3 i = i + 1 a = ( i * i * i ) // statement 4 } print sum Does this program have an error? If yes, which one statement will you modify to correct the program? Op 1: Statement 1 Op 2: Statement 2 Op 3: Statement 3 Op 4: Statement 4 Op 5: No error Correct Op : 2
Ques25. Bhavya wants to make a program to print the sum of all perfect squares, where the value of the squares go from 0 to 50. She writes the following program: integer i = 1, a // statement 1 integer sum = 0 while ( a < 50 ) // statement 2 { sum = sum + a // statement 3 i = i + 1 a = ( i * i ); // statement 4 } print sum Does this program have an error? If yes, which one statement will you modify to correct the program? Op 1: Statement 1 Op 2: Statement 2 Op 3: Statement 3
Op 4: Statement 4 Op 5: No error Correct Op : 1
Ques26. Vijay wants to print the following pattern on the screen: 2 2 4 2 4 6 2 4 6 8 He writes the following program: integer i = 1, j=2 // statement 1 while ( i <= 4 ) // statement 2 { j = 2; while ( j <=? ) // Statement 3 { print j print blank space j = j + 2 } print end-of-line \takes the cursor to the next line i = i + 1 } What is the value of? in statement 3 :: Op 1: 8 Op 2: i Op 3: 2*i Op 4: 4 Op 5: Correct Op : 3
Ques27. Shravanti writes the following program: integer i = 0, j while ( i < 2 ) {j = 0; while ( j <= 3*i ) {print j print blank space j = j + 3} print end-of-line \takes the cursor to the next line i = i + 1 }
integer i = 1, j, a while ( i <= 4 ) { j = 1; a = 0; while ( a <= 5*i ) { a = 2^j; print a print blank space j = j + 1 } print end-of-line \takes the cursor to the next line i = i + 1 } What will be the output of the program? Op 1: 2 2 4 2 4 8 2 4 8 16 Op 2: 2 4 2 4 8 2 4 8 16 2 4 8 16 32 Op 3: 2 4 2 4 8 2 4 8 2 4 8 16 Op 4: 2 2 4 2 4 2 4 8 16 Op 5: Correct Op : 3
Ques30. Himanshu wants to write a program to print the larger of the two inputted number. He writes the following code: int number1, number 2 input number1, number 2 if (??) // Statement 1 print number else
print number end if Fill in the ?? in statement 1. Op 1: number1>number Op 2: number2>number Op 3: number2 equals number Op 4: number1 <= number Op 5: Correct Op : 1
Ques31. Shalini wants to program to print the largest number out of three inputted numbers. She writes the following program: int number1, number 2, number3, temp; input number1, number2, number3; if (number1>number2) temp = number else temp = number end if if (??) // Statement 1 temp = number end if print temp Fill in the ?? in Statement 1 Op 1: number3 > number Op 2: number3 > temp Op 3: number3 < temp Op 4: number3 > number Op 5: Correct Op : 2
Ques32. Rohit writes the following program which inputs a number and prints "Double digit" if the number is composed of two digits and "Not a double digit" if it is not. int number; if (number>10 AND number < 100) print "Double digit" else print "Not a double digit" end if Rohit tries the following inputs: 5 and 66. The program works fine. He asks his brother Ravi to try the program. When Ravi enters a number, the program doesn't work correctly. What did Ravi enter?