Punjab Technical University 2007 B.C.A Computer Application -introduction to information technology - Question Paper

BCA (Semester - 1st)

INTRODUCTION TO info TECHNOLOGY

Time : 03 Hours
Maximum Marks : 75

Instruction to Candidates:
1) Section-A is compulsory.
2) Attempt any 9 ques. from Section-B.

part - A (15 × two = 30)

Q1)
a)What is the difference ranging from data and information?
b)Explain with example procedure to convert binary number to digital number.
c)List 2 devices which can be used as input as well as output device.
d) How can 1 write-protect 5¼ inch floppy?
e)List the kinds of computers.
f)What do you understand by spooling?
g) What is a time-sharing system?
h) describe multiprocessing.
i)Differentiate ranging from SRAM and DRAM.
j)Why is ROM necessary?
k) What is a single user system??
l)If on the DOS prompt, XYZ is typed and on the disk(say C:\>), there are 3 files XYZ.COM, XYZ.EXE and XYZ.BAT. Which of the 3 files will be executed? Why?
m) What is booting?
n) List 4 facilities given by Internet through WWW?
o) describe the term FAX.

part - B
(9 × five = 45)
Q2) discuss the working of computer with block diagram.
Q3) discuss the working of laser printer in detail.
Q4) explain the advantages and disadvantages of floppy disks.
Q5) Compare the working of mouse with keyboard. explain the various mouse operations.
Q6) Compare primary memories with secondary memories.
Q7) What is an operating system? discuss its functions.
Q8) discuss batch processing and multiprogramming.
Q9) Write short note on ROM.
Q10) elaborate the differences ranging from internal commands and external commands in DOS? provide 3 examples of every kind with syntax.
Q11) discuss different features of DOS.
Q12) explain applications of computers in Defense and Industry.
Q13) elaborate the disadvantages of networking? discuss briefly E-mail

Earning:   Approval pending.