Download SGBAU BSc 2019 Summer 1st Sem CS CA IT Fundamentals Of IT n C Programming Question Paper

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B.Sc. (Part-I) Semester-I Examination

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AW-1631
COMPUTER SCIENCE OR COMPUTER APPLICATION OR INFORMATION TECHNOLOGY-I (NEW)
(Fundamentals of Information Technology and C Programming)
Time : Three Hours] [Maximum Marks : 80
N.B. :— (1) All questions are compulsory.

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(2) Question No. 1 carries 8 marks and all other questions carry 12 marks each.
(3) Assume suitable data wherever necessary.

(A) Fill in the blanks :
(i) Functions which are designed and developed by programmer are called as __________ function.
(ii) HTTP stands for __________.

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(iii) MODEM stands for __________.
(iv) Scanner is ____ device.

(B) Choose the correct alternative :
(i) The lowest storage unit to measure memory is :
(a) Mega byte (b) Nibble

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(c) Binary digit (d) Byte
(ii) Comments in C is started and ended with :
(a) // */ (b) */ */
(c) /* */ (d) /**/
(iii) Which of the following is NOT a loop statement ?

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(a) while (b) do-while
(c) switch (d) for
(iv) The symbol used in flowchart for decision making is :
(a) Rectangle (b) Circle
(c) Parallelogram (d) Diamond

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(C) Answer the following in one sentence :
(i) Define Operating System.
(ii) Define topology.
(iii) What is Operator ?
(iv) What do you mean by entry-controlled loop structure ?

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2. (A) Differentiate between impact and non-impact printer.
(B) Explain the characteristics of computer.
OR

3. (A) Differentiate between RAM and ROM.
(B) Explain why secondary memory is required. Draw a block diagram of computer and explain functions of each unit.

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4. (A) Explain rename, append, close, write operations on files.
(B) Explain the concept of online and real time operating system.
OR

5. (A) Explain with suitable examples file naming with respect to file handling. Explain protection, password and Read only flag attribute.
(B) Define operating system. What are its objectives ? Explain time sharing O.S.

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6. (A) Differentiate between LAN and WAN.
(B) Explain and draw diagram showing arrangement of nodes in mesh topology with some advantages and disadvantages.
OR

7. (A) Explain the concept of FTP, HTTP.
(B) Explain with diagram Ring topology

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8. (A) Write an algorithm and draw a flowchart to exchange contents of two variables using third variable.
(B) Describe the complete structure of C program with suitable example.
OR

9. (A) Explain the concept of the terms — Assembler, Interpreter and Compiler.
(B) Write an algorithm and draw a flowchart to check if the number is divisible by 2 or not.

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10. (A) Explain implicit and explicit type conversion with suitable examples.
(B) Explain conditional operator with syntax and find out biggest number in given two numbers.
OR

11. (A) Explain with concept, syntax and suitable example symbolic constants.
(B) What do you mean by pre and post increment operator used in C language ? Write suitable examples to support your answer.

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12. (A) Write a program in C to display first 5 odd numbers.
(B) Explain with syntax and suitable example do-while () loop.
OR

13. (A) Write a program in C, to find the sum of numbers from 5 to 15 (using For statement).
(B) Explain the working, syntax and suitable example of while () loop.

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