91.   Instead of using a ball to determine the movement of the mouse pointer, an optical mouse uses a sensor that works with a digital signal processor.

92.   Instead, digital signals seize up and freeze, as the Duke quarterback had done.

93.   Internet telephony converts voice into digital signals, transports them cheaply over the Internet, and then decodes them at the other end to reproduce the voice sound.

94.   It converts the digital signals into a full spectrum of scents that breeze out of the box.

95.   It can receive digital signals from across the country, allowing bicoastal duets.

96.   Intel Corp. wants permission to launch an experimental digital TV station in Santa Clara, California to test the delivery of digital TV signals to personal computers.

97.   It intercepts your voice call, converts it into digital signals, and routes it via your Internet service provider to its destination.

98.   Just over the horizon, he sees a whole new generation of practical uses for digital signals, requiring ever more sophisticated but easily operable processing equipment.

99.   Last week, Lucent Technologies and Motorola said they will work together to develop the next generation of digital signal processors offered by their companies.

100.   Like satellite TV, the digital signals resist fading and interference.