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| a measure of storage capacity equal to 1 billion (109) bytes |
| software created by programmers or publishers independent of the manufacturer of the hardware for which it is intended |
Landlocked desert republic in north-central Africa, bordered by Sudan to the east; the Central African Republic to the south; Cameroon, Niger, and Nigeria to the west; and Libya to the north. N'Djamena is its capital and largest city.
Note: Chad was under French control until 1960.