XI- C Unit Test - 1 Computer Science
KENDRIYA VIDYALAYA NO. 1 ,
NAUSENABAUGH, VISAKHAPATNAM
Unit Test - 1 (July 2014) Subject
: Computer Science
Class : XI
Section : C Duration: 90
Min. Max Marks :40
All questions are
compulsory.
Q1.What is
difference between Compiler and Interpreter ?
2M
Q2.What is the
purpose of Cache Memory ? 2M
Q3.Write A note on
Evolution (Generation wise) of
computers. 5M
Q4. Define Types of
Softwares ,Explain each Type and give examples ? 5M
Q5. What is Operating System ? What are the different
types of Operating System? What are the different functions of Operating System
? 5M
Q6.Give the full
form of CISC, RISC ? 1M
Q7. Fill in the
blanks : 4 M
245 MB =
______ PB
230B = _________ TB
1TB =
______ KB
1KB =
_______ GB
Q8. Explain the following : 6M
(i)
ASCII (ii)
ISCII (iii) UNICODE
Q9. Perform conversion between two different given number systems : 10M
(i)
(11100110101)2 -----------------à (………………)16
(ii)
(11100110101)2 -----------------à (………………)8
(iii)
(3210)4 -----------------à (………………)8
(iv)
(625)10 -----------------à (………………)2
(v)
(625)10 -----------------à (………………)7
(vi)
(AF2)16 -----------------à (………………)4
(vii)
(0.625)10 -----------------à (………………)5
(viii) (0.625)8 -----------------à (………………)10
(ix)
(101.0011)2 -----------------à (………………)10
(x)
(62.524)6 -----------------à (………………)5
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