Direct sequence contrasts with the other spread spectrum process, known as frequency hopping spread spectrum, or frequency hopping code division multiple access (FH-CDMA), in which a broad slice of the bandwidth spectrum is divided into many possible broadcast frequencies.
Puppies are generally ready to eat solid food between the ages of 6 to 8 weeks old. However, according to Purina, it's not uncommon for puppies to start eating from their mother's dish at 4 or 5 weeks old. A puppy attempting to eat adult food does not necessarily mean it's ready to be weaned. The Complete Book of Dog Breeding warns owners that an aggressive appetite is only one sign of maturity.
They can start to eat soft food mush at 5-6 weeks, but keep them with the Mom until 8 weeks. There are very important socialization patterns that need to develop for puppies, and if they are taken from the Mom too quickly, they can grow up having lots of issues (such as separation anxiety or aggression).