Notes for test on 8/9

Question 1

Conductor

Answer 1

material that allows for the flow of electrical charge

Question 2

Insulator

Answer 2

material that blocks the flow of electrical charge

Question 3

semiconductor

Answer 3

material that can both block and allow electrons to flow. Important in transistors

Question 4

Transistor

Answer 4

Used to communicate digital information, either on or off

Question 5

Moore’s Law

Answer 5

states that the # of transistors in a computer will double every 2 years

Question 6

number systems

Answer 6

systems used to express numbers in various forms

Question 7

what is the number system used in our daily lives?

Answer 7

decimal/base 10

Question 8

Binary number system (base, characters used)

Answer 8

-base 2
-only uses 0 and 1
-each column represents a power of 2

Question 9

ASCII

Answer 9

standardization of keyboard input

Question 10

hexadecimal (base, characters used, purpose)

Answer 10

-base 16
-uses numbers 0-9 and letters A-F
-used to condense binary