DipIETE
– CS (OLD SCHEME)
Code: DC03 Subject:
COMPUTER FUNDAMENTALS
Time: 3 Hours
Max. Marks: 100
NOTE: There are 9 Questions in all.
· Question 1 is compulsory
and carries 20 marks. Answer to Q.1 must be written in the space provided for
it in the answer book supplied and nowhere else.
· Out of the
remaining EIGHT Questions answer any FIVE Questions. Each question carries 16
marks.
· Any required data
not explicitly given, may be suitably assumed and stated.
Q1.A. Choose the correct or the best alternative in the following: (2
10)
a.
Numbers are stored and transmitted
inside a computer in ____________.
(A)
binary form (B) ASCII code form
(C)
decimal form (D) alphanumeric form
b. A megabyte represents
____________.
(A)
(B) 
(C) 
(D) 
c. A
computer program that converts an entire program into machine language at one
time is called a/an ________.
(A)
interpreter (B) simulator
(C) compiler (D) commander
d. Two
basic types of operating systems are _______________.
(A)
sequential and direct (B) batch and indirect
(C) direct and interactive (D)
batch and interactive
e. The two basic
types of record-access methods are __________.
(A)
sequential and random (B) sequential and indexed
(C) direct and
immediate (D) on-line
and real time
f. Which
of the following is true?
(A) Fields are
composed of bytes.
(B) Records are composed of fields.
(C) Fields are composed of characters.
(D) All of above
g. Which
of the following are the two main components of the CPU?
(A)
Control unit and registers. (B) Registers and main memory.
(C) Control
unit and ALU. (D) ALU and bus.
h. A
___________ system is a system in which transaction accessing and updating of a
file is quick enough to affect the original decision making.
(A) Real Time
processing (B) Batch processing
(C) Off line processing (D) Information processing
i. Moving
process from a main memory to disk is called ___________.
(A)
scheduling (B) caching
(C) swapping (D) spooling
j. In
Word, repeating the same text in top and bottom margins of each page can be
done through __________.
(A)
Macro (B) Header & Footer
(C) Heading (D) Mail merge
Answer any FIVE Questions out of EIGHT Questions.
Each question carries 16 marks.
Q.2 a. What is difference between analog and digital
computer? (6)
b. What
is the central processing unit? Explain its functions in detail. (6)
c. Explain the terms data
and information with examples. (4)
Q.3 a. Explain
the difference between impact and non impact printers with example. (5) 8
marks
b. What
is the function of scanner and what are the various types of scanners? (5)
c. What
is ALU? Explain its functions. (6)
Q.4 a. What is RAM? Explain
its various types. (5)
b. Explain the following terms: (3 2)
(i) Rotation
speed.
(ii) Seek time.
(iii) EPROM.
c. What is a cylinder? What is the advantage of cylinder based disk
organisation? (5)
Q.5 a. What
is an operating system? Explain its various functions. (6)
b. Explain
the following DOS commands: (10)
(i) Attrib (ii) Copy
(iii) Backup (iv) Tree
(v)
Ren
Q.6 a. Explain
the following functions used in EXCEL: (6)
(i) Sum (ii) Average
(iii) Max (iv) Round
b. What
is line spacing in MS WORD? How can you change it? (3)
c. What is page number? How can you
add page numbers to your document? (3)
d. Differentiate between relative and absolute
addressing in EXCEL. (4)
Q.7 a. Explain
the basic organization of a computer system in brief with the help of a block
diagram. (6)
b. What
is an optical disk? How the data is stored in them? (6)
c. Explain
the different types of files. (4)
Q.8 a. What is software? Explain its various types.
Give examples of types also. (6)
b. Describe
the various disk space allocation methods. (8)
c. What is the difference between a word-
addressable and character-addressable computer? (2)
Q.9 a. Write
short note on following: (8)
(i) MICR.
(ii) Cache Memory.
b. What
are the differences between OCR and OMR? (6)
c. Calculate
the total capacity of two sided disk It has 40 tracks, 9 sectors/tracks and
512bytes/sector. (2)