Integrated Circuit — Questions and answers
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What was a big problem with making electronic devices before the Integrated Circuit?
Choices
- The parts were too small to see.
- They needed to be hand-soldered, which took a lot of work and could cause mistakes. ✓
- They only used one type of component.
- The devices were too simple to be useful.
Answer: They needed to be hand-soldered, which took a lot of work and could cause mistakes.
From page 1
What was Jack Kilby's big idea to solve the problem with electronics?
Choices
- To use bigger blocks of material for circuits.
- To make each component much larger.
- To build all circuit parts from one piece of semiconductor material, like a single block. ✓
- To use more wires to connect everything together.
Answer: To build all circuit parts from one piece of semiconductor material, like a single block.
From page 4
What did Jack Kilby's first 'solid circuit' demonstrate on September 12, 1958?
Choices
- That big circuits needed more wires.
- That electronic parts couldn't work together.
- That many electronic parts could work inside one single piece of material. ✓
- That only one type of component could be made.
Answer: That many electronic parts could work inside one single piece of material.
From page 5
How was Robert Noyce's 'planar process' different from Kilby's prototype?
Choices
- Noyce's process used more wires to connect components.
- Noyce's process built components on the surface of a silicon wafer and connected them with a metal layer. ✓
- Noyce's process made circuits that were much bigger.
- Noyce's process only worked for small-scale production.
Answer: Noyce's process built components on the surface of a silicon wafer and connected them with a metal layer.
From page 6
What is the main idea of how an integrated circuit works?
Choices
- It uses a very long wire to connect many separate parts.
- It combines many electronic parts inside one continuous piece of material, like silicon. ✓
- It makes devices that are always very big.
- It only uses one type of electronic component at a time.
Answer: It combines many electronic parts inside one continuous piece of material, like silicon.
From page 7
What were some of the first important uses for early integrated circuits?
Choices
- They were used in toys and games.
- They helped with missile guidance and spaceflight programs like Gemini. ✓
- They were only used in kitchen appliances.
- They were too fragile for any real use.
Answer: They helped with missile guidance and spaceflight programs like Gemini.
From page 8
What did Gordon Moore observe about the number of transistors on a microchip?
Choices
- It stayed the same every year.
- It roughly doubled every two years. ✓
- It decreased every ten years.
- It got smaller and smaller until it disappeared.
Answer: It roughly doubled every two years.
From page 9
How has the integrated circuit affected our modern world?
Choices
- It only made televisions better.
- It made cars bigger and slower.
- It transformed almost everything, like communication, robots, and medical equipment. ✓
- It has had no real impact on daily life.
Answer: It transformed almost everything, like communication, robots, and medical equipment.
From page 10