COMPUTER U.P. BOARD
CLASS X EM
Sample Paper II
TT: 3
hrs
MM: 70
Note: Answer all
questions
1. Write
the full form of the following: 5X1=5
a.
MODEM
|
b. ATM
|
c. CSMA
|
d.
FDDI
|
e. MAN
|
2. Select
and write the correct answer 5X1=5
i.
On which topology is the satellite transmission
based-
a.
Ring
|
b.
Bus
|
c.
Star
|
d.
Tree
|
ii.
Which one of the following is not a software-
a.
Linux
|
b.
Unix
|
c.
LAN
|
d.
Windows
|
iii.
Which of the following is the sum of the binary
number (1010)2 and (111)2?
a.
(10101)2
|
b.
(1111)2
|
c.
(10001)2
|
d.
(10011)2
|
iv.
Which of the following is a character constant –
a.
‘B’
|
b.
“2b4a”
|
c.
-8421
|
+100.21
|
v.
Which of the following declaration is not valid
in C-Language?
a.
float rate;
|
b.
int a;
|
c.
double percentage
|
d.
int a,c;
|
3. Explain
the following: 5X2=10
a. Operating
system
b. Computer
network
c. Boolean
algebra
d. Control
statement
e. File
4. Differentiate
between the following 5X2=10
a. Message
transmitter and receiver
b. Nibble
and byte
c. Searching
and sorting
d. Constant
and variable
e. Sequential
and parallel transmission
5. Answer
all parts 3X4=12
a. Sketch
the diagram of primary communication model and describe its main components.
b. Explain
the rules of addition and subtraction in binary number system.
c. Differentiate
between the library function and user defined functions with example.
6. Answer
all parts 3X4=12
a. Explain
in brief the structure of Linux operating system.
b. What
is internet? Discuss any two of its application.
c. Differentiate
between one dimensional and two dimensional arrays with example.
7. Write
a program in C-Language by which the name and marks obtained in four subjects
of ten students can be stored in a data file. 8
OR
a. Explain
the main elements of BCD code. 2
b. Explain
the 1’s and 2’s complements and differentiate between them with example. 4
c. Describe
the main features of C-Language. 2
8. Write
a program in C-Language that prints the sum of all the numbers from one to
twenty. Write also, the output of this program. 8
OR
Write notes on the following: 4x2=8
a. Logic
gates
b. Declaration
of string and its initialization
c. Data
transmission modes
d. Interfaces
of Linux
No comments:
Post a Comment