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1. How did early humans communicate among themselves?
2. How are the means of rom
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Early humans could express thoughts and feelings by means of speech or by signs or gestures. They could signal with fire and smoke, drums, or whistles. These early methods of communication had two limitations. First, they were restricted as to the time in which communication could take place.
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- Early humans could express thoughts and feelings by means of speech or by signs or gestures. They could signal with fire and smoke, drums, or whistles. These early methods of communication had two limitations. First, they were restricted as to the time in which communication could take place.
- Read-only memory,Read-only memory (ROM) is a type of non-volatile memory used in computers and other electronic devices. ... The term "ROM" is sometimes used to mean a ROM device containing specific software, or a file with software to be stored in EEPROM or Flash Memory.
PROM : Short for programmable read-only memory, a memory chip on which data can be written only once. EEPROM : Short form of electrically erasable programmable read-only memory. ... EEPROM is a special type of PROM that can be erased by exposing it to an electrical charge.
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