Home
Study
Login
Register
Home
Study
Magic Bytes 7
Devashis Chakraborty, Frank EMU Books
View Sample
Chapters
Number System
Advanced formatting in MS Excel
Working with Flash
Introduction to Photoshop
Drawing with Photoshop
Graphics in QBASIC
Introduction to Visual Basic
HTML
Computer Virus
Communication on Internet
ICSE
Class 7
Computer
Number System
Available Answers
1.
State True (T) or False (F).
Binary number system is not used in computers.
4+3 in octal is same as 4+3 in hexadecimal.
Decimal number system is used to represent digits from 0 to 15.
While converting from binary to octal you need to form groups consisting of 4 digits from right to left.
Hexadecimal numbers cannot be added.
2.
Fill in the blanks with the correct word:
Octal, 13, 9, base, 16
The base of hexadecimal number is ______________.
The hexadecimal equivalent of D is ______________.
Digits from 0 to 7 are used with __________ number system.
The largest possible digits in decimal number system are ____________.
The number of digits used in a number system is called its ___________.
3.
Convert the following:
46
10
to base 2
479
10
to base 8
2560
10
to base 16
7349
10
to base 8
4.
Convert the following:
10111011
2
to base 10
4765
8
to base 10
AB1F
16
to base 10
DA0FF
16
to base 10
5.
Convert the following:
10110111101
2
to base 8
110000111
2
to base 8
1011111010010
2
to base 16
111100100100
2
to base 16
6.
Convert the following:
67551
8
to base 2
31204
8
to base 2
AB62
16
to base 2
ADDFF
16
to base 2
9 more answer(s) available.
Please login to post your comments.