Early computing devices since 2300 BC -ifrah.pptx

Computer device history

1. EARLY COMPUTING DEVICES

2. EARLY COMPUTING DEVICES Abacus is thought to be one of the earliest counting devices. An abacus is a calculating instrument that uses beads that slide along a series of wires or rods set in a frame to represent different values. The type of Abacus most commonly used today was invented in China around the 2nd century B.C. However, Abacus-like devices are first attested from ancient Mesopotamia. BETWEEN 2700 and 2300 B.C.E …

3. EARLY COMPUTING DEVICES BETWEEN 2700 and 2300 B.C.E … Abacus is thought to be one of the earliest counting devices. An abacus is a calculating instrument that uses beads that slide along a series of wires or rods set in a frame to represent different values. The type of Abacus most commonly used today was invented in China around the 2nd century B.C. However, Abacus-like devices are first attested from ancient Mesopotamia. Napier's Bone is a manually operated calculating device created by John Napier. It is well known for it was the first machine to calculate using the decimal point system. IN 1617…

4. EARLY COMPUTING DEVICES BETWEEN 2700 and 2300 B.C.E … Abacus is thought to be one of the earliest counting devices. An abacus is a calculating instrument that uses beads that slide along a series of wires or rods set in a frame to represent different values. The type of Abacus most commonly used today was invented in China around the 2nd century B.C. However, Abacus-like devices are first attested from ancient Mesopotamia. IN 16 … 17

5. EARLY COMPUTING DEVICES BETWEEN 2700 and 2300 B.C.E … Abacus is thought to be one of the earliest counting devices. An abacus is a calculating instrument that uses beads that slide along a series of wires or rods set in a frame to represent different values. The type of Abacus most commonly used today was invented in China around the 2nd century B.C. However, Abacus-like devices are first attested from ancient Mesopotamia. IN 16 … 42