Magnetic Stripe Reader

Magnetic Stripe Reader –

g) Explain the characteristics/functions of the following I/O devices:
(i) Inkjet printer
(ii) Power Connecter
(iii)Video Card
(iv) Magnetic Stripe Reader, Question 2: (Covers Block 2) (7×4=28 Marks)
a) Explain the Internet Based Software Architecture with the help of a block
diagram. How is this architecture different than that of 3-tier client server
architecture? Explain.
b) What is a file and directory in the context of a computer? What are the activities
involved in the file management? Explain how file management is different than
the Memory Management.
c) Explain the features and uses of the following in the context of computer
software and programming:
(i) Assembler
(ii) Interpreter
(iii)Subroutine
(iv)Function
d) Differentiate between the following:
(i) Kernel of an Operating system and Non-resident portion of Operating
system
(ii) Command line interface and Graphical user interface of Operating system
(iii)Multiprogramming and Multitasking
(iv) Computer Virus and Computer Worms
e) Draw a flow chart and write an algorithm for a program that multiplies all two
digit odd numbers. (You must use looping).
f) Explain the purpose of each segment marked (i) to (vi) of the following program.
What this program will do?
(i) int i;
int marks[20];
(ii) for (i=0; i<20; i++) {
(iii) printf (“Enter the number”);
scanf (“%d”, &marks [i];
(iv)if (marks[i] < 40) printf(“Not Successful”);
(v) if (marks[i] >= 40) && (marks[i] < 60)) printf(“Passed in Second
Division);
(vi)if (marks[i] >= 60 printf(“Passed in First Division);
}
5
g) List which of the software will be required for the following situation. Explain
the steps that are needed to be performed in order to solve the situation in
question.
(i) You need to send invitation to about 200 students for a workshop.
(ii) A software project has to be managed such that there is no delay.
(iii)Student data and their marks are to be stored such that any query may
be made on the data easily.
(iv) You need to show the visual form of data about the progress of an
organisation.

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