Definitions

1. noun

A person or device that transmits a signal or data to a computer or other electronic device, especially a modem that converts analog signals to digital signals.

“The modem acted as a dial-up crammer for the old computer system.”

2. noun

A person who studies for an examination by memorizing large amounts of information in a short period of time.

“The crammer spent hours reviewing her notes before the big exam.”

3. verb

To cram (something, such as data or a computer program) into a smaller space or a smaller amount of space.

“The software crammer helps to optimize the performance of older computers.”