Punjab University 2008 B.Sc Home Science (B.H.Sc.) Comter Fundamentals & C-Programming- A - Question Paper

Note: Attempt 5 ques. in all, selecting 2 ques. from part - A and 2 ques. from part - B. The entire part - C is compulsory.

part - A
I. (a) What is a Digital Computer ? discuss the function of every of its components with the help of a diagram. (9)
(b) What is a Computer Network ? Why is it needed ? Also discuss the different network topologies. (6)

II. Differentiate ranging from the subsequent : (15)
(a) Bit/Byte/Word
(b) Hardware/Software
(c) High-level/Low-level languages
(d) Compiler/Interpreter/Assembler
(e) LAN/WAN
(f) Analog/Digital Computer

III. (a) What is an O.S. ? explain the main functions and uses of an O.S. explain also the different kinds of operating systems in brief. (9)
(b) discuss any 2 commands with examples for DOS, Windows and UNIX operating systems. (6)

IV. (a) What is HTML ? How is it being used in current day internet world ? explain in brief. (5)
(b) discuss the concept of security in computers. What preventive measures are taken in computers for security ? explain in brief. (6)
(c) discuss the evolution of info Processing in brief. (4)

part - B
V. (a) explain the purpose of different symbols used in Flow-chart. explain the advantages of a Flow­chart also. (4)
(b) Write an algorithm for the subsequent series : (7)
S= l +2 + three + four + … + 100 Draw Flow-chart also.
(c) discuss the various, steps for solving a issue on computer. (4)

VI. (a) discuss the different input/output statements in C-language with the help of examples. (8)
(b) Write a C-program. to multiply 2 matrices. (7)

VII. (a) discuss the different kinds of operators available in C-language with the help of suitable examples. (8)
(b) Write a C-program to obtain the largest among the provided N-numbers. (7)

VI. discuss the role of Computers in the subsequent areas of applications : (15)
(a) Word Processing
(b) Spread-sheet
(c) Remote Sensing
(d) Weather forecasting
(e) Industry

part - C (Compulsory Question)
IX. discuss the subsequent in brief:
(a) Client/Server Systems.
(b) Decision Tables.
(c) Differentiate ranging from Application Software and System Software.
(d) What is the use of a switch-statement - C ?
(e) discuss the structure of a C-program.
(f) Difference ranging from Data and info.
(g) Role of Computers in E-Commerce & Business,
(h) different Computer Generations.
(i) Difference ranging from Floppy and Hard Disk.
(j) Difference ranging from a keyword and an identifier in C-language.

Earning:   Approval pending.