uniti cost bit decreases frequency of access decreases capacity increases access time increases units of storage in computer computers are electronic machines which operate using binary logic these devices use two different values ( and to represent data this corresponding number system is referred as binary number system differences between binary and decimal number systems decimal binary base digits to bit is the smallest unit of information that can be stored or manipulated on computerit consists of either zero or one we can also call bit binary digit single bit can store two different values (either or nibble is group of four bits byte is group of eight bits byte is simply fixed-length sequence of bits modern computers organize data into bytes to increase the data processing efficiency of network equipmentdisks and memory computers by convention set one byte to equal eight ( bits byte can store or different values word is group of bits department of csevishnu institute of technology