Surgical Technology - Chapter 6 Exam Questions with Complete Answers (Rated A+)
Hardware - Answers Over term used to describe the components of a computer
Central Processing Unit (CPU) - Answers - Coordinates the operations of the computer
- Manages computer systems
- Helps exchange of data wit...
Hardware - Answers Over term used to describe the components of a computer
Central Processing Unit (CPU) - Answers - Coordinates the operations of the computer
- Manages computer systems
- Helps exchange of data with computer memory
Expansion Slots - Answers Provides ability to upgrade the computer with additional memory or devices
Ethernet/Network Card - Answers Provides ability to communicate over a network or the Internet
Hard Drive - Answers Provides memory to store computer programs and files
Electron Theory - Answers Principles that govern the behavior of tiny particles known as electrons
- Helps to explain electricity
- Serves as the basis for design of all electrical equipment
Matter - Answers Anything that has Mass and occupies space
- Consists of atoms
- Solids, Liquids, Gases
Atoms - Answers Composed of:
1. Protons.. + charge
2. Electrons.. - charge
3. Neutrons.. 0 neutral charge
- The center is called nucleus which contains protons and neutrons
- Electrons float around nucleus in paths called shells or orbits
Electricity Describes what? - Answers The free electrons moving or flowing from the ring of one atom to
another
, - Bohr's Theory
Conductors - Answers Material that allow the flow of free electrons
- Copper is the most common conductor
- Water is a conductor of electricity
Insulators - Answers Materials that stop the flow of electrons
- Rubber & Plastic is most common
- HIGH humidity results in static charge leakage
- LOW humidity results in formation of sparks
Electric Current - Answers Movement of the electric charge
Magnetism - Answers Can generate an electric current
Electricity - Answers Used to generate magnetism
Electromagnets - Answers Metals that become magnetic when a conductor is wrapped around it
Volt - Answers Electrical Potential
Voltage - Answers Potential energy of electrons at any given time between 2 points
Current - Answers - Measured in Amperes (AMPS)
- Flow of electric charge or the rate of flow of electrons
Power - Answers "The rate at which work is done"
- Measured in Watts
Load - Answers Device that uses the electricity to perform some type of function
Ex: Electrocaudary, Surgical Lamps, Cell Saver
Circuit - Answers Path that electricity travels- From the energy source to a device and then back to the
energy source
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