IT Participation 4

hexadecimal numbering system base is .........

• 16

• 10

• 8

• 2

0 1 2 3 4 5 6 7 is used for ....

• octal

• hexadecimal

• binary

• decimal

..... is a coding scheme used as 7 bit code

• ASCII

• octal

• unicode

• none

convert from hex to binary needs dividng by2

• yes

• no

ascii supports 128 chars

• yes

• no

11 in binary is

• 3

• 2

• 11

• 15

A in hex is ... in decimal

• 10

• 1010

• 15

• 100

unicode uses more bits and can store more character combinations

• yes

• no

number of chracters in ascii

• 127

• 128

• 256

• 255

...is the number of unique digits , including digit 0 , used to represent numbers in positional number system

• radix

• index

• digits

• numbers

• base