History of Computers

Ancient accounting tools like the quipu and abacus were used to __________,

• Store Data

• Replace Money

• Solve Math Problems

What is the building block of all PC's? A special kind of electrical switch.

• Computer

• Transistor

• Hard Drive

Punch cards used in mechanical computers were the earliest example of ____________.

• braille

• a computer program

• encryption

What does CPU stand for?

• Central Processing Unit

• Computer Parts Unlimited

• Central Programming Unit

The first electronic computers were used for _____________.

• Stock Trading

• Calculating Trajectory and Code Breaking

• Astronomy

What are the only numbers you can use in binary?

• 0 and 1

• 1 and 2

• 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

This technology was critical in creating microcomputers and launching the digital age.

• transistor

• conductor

• internet

What does this code do?

• Moves forward 1 time

• Moves forward forever

• Moves forward 5 times

Instead of focusing on making devices smaller, modern computing is about ____________________.

• making them last longer

• making them cheaper

• making them work together

Charles Babbage designed the Difference Engine and the Analytical Engine. What were these?

• Mechanical Computers

• Thermometers

• Rulers