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.
How old do kittens have to be before they can have hard food? Quick Answer. According to the American Society for the Prevention of Cruelty to Animals, kittens should start nibbling on dry food at about five to six weeks of age. They should begin dry food even if they are still nursing.