Class-XI
Sub-Computer Science
Chapter -1
1. What is a computer ?
2. Explain all functions of a computer?
3. Define memory cell
4. Define nibble.
5. Explain 2GL
6. Explain 4 GL.
7. Differentiate between digital/analog/hybrid computers.
8. How is a compiler different from interpreter.
9. Who invented the punched card?
10.Convert the following binary number to octal2
i) 11111011110101
ii) 1011110100011000111
b) Convert decimal number to binary2
i) 106
ii) 161
c) How many types of computer?Expalin only one computer.
3
Chapter -2
Ch-2
Class-XI
Sub-Computer Science
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
What is throughput & what is its importance?
As a resource manager what are the roles of an operating system?
What is the difference between moving & copying the files & folder?
Explain time sharing concept?
Differentiate between multiprogramming & multitasking?
What is the start group ?what functions can it perform?
Which OS are commonly used. According to you which one is the best from those?
Explain IOCS & IO?
Define paging?
What is the difference between paging & segmentation?
Chapter – 3 & 4
Define number system?
1. Define octal number system?
2. Explain all the number system.
3. Do thee conversions
a) Binary to octal
b) Octal to binary
c) Binay to hexadecimal
Note: you can take the example from your book.
4.
5.
6.
7.
Define RISC
Define CISC
Define EPIC
Define the following:
a) ps-2 port.
b) AGP ports
c) CRT
d) OLED
e) LCD
8. What is the function of memory? What are its measuring units
9. What are the two categories of printers? Which types of printers are
more speedy?
10.Differentiate PROM & EPROM?
11.Suggest suitable device for
a) High quality print
b) Quiet printing
12.Differentiate RAM /ROM
13. What is a byte.
14.What is a bit