Digital Information: Questions and Answers, Exams of Computer Science
What is digital information - ANSWERInformation stored as numerical digits
Examples of encoding information - ANSWER-Fast food menus
-Zip codes
-State abbreviations
-DNA
Data Abstraction - ANSWERThe process of simplifying complicated data into
manageable chunks
"Layers of abstraction" - ANSWERDigital data is represented by abstractions
at different levels
Once data is in digital form you can... - ANSWER-Easily manipulate it
-Easily examine and filter to gain knowledge
-Easily store and load up
-Access virtually instantly
-Easily send it
, Examples of encoding information? - ANSWER-Representing fast food meals
as numbers on the menu. For example a number 1 represents a hamburger.
-Assigning a numeric value to every area of a region, for example zip codes in
the United States
-Assigning a number to every character of the alphabet so we can represent
sentences as series of simple digits.
Number system - ANSWERDefines how we represent numbers. Which digits
we can use, and what each position (place) in a number means.
Decimal number system - ANSWERA system with 10 numeric values, 0
through 9.
Base 10.
Binary number system - ANSWERA system with two numeric values of 0 and
1, which are also referred to as off or on.
Base 2.
What is the number base of the binary number system? - ANSWER2
In the binary value 100 base 2, what is the place value of the 1? - ANSWER4s
place
Can you convert between number bases? - ANSWERyes
What is digital information - ANSWERInformation stored as numerical digits
Examples of encoding information - ANSWER-Fast food menus
-Zip codes
-State abbreviations
-DNA
Data Abstraction - ANSWERThe process of simplifying complicated data into
manageable chunks
"Layers of abstraction" - ANSWERDigital data is represented by abstractions
at different levels
Once data is in digital form you can... - ANSWER-Easily manipulate it
-Easily examine and filter to gain knowledge
-Easily store and load up
-Access virtually instantly
-Easily send it
, Examples of encoding information? - ANSWER-Representing fast food meals
as numbers on the menu. For example a number 1 represents a hamburger.
-Assigning a numeric value to every area of a region, for example zip codes in
the United States
-Assigning a number to every character of the alphabet so we can represent
sentences as series of simple digits.
Number system - ANSWERDefines how we represent numbers. Which digits
we can use, and what each position (place) in a number means.
Decimal number system - ANSWERA system with 10 numeric values, 0
through 9.
Base 10.
Binary number system - ANSWERA system with two numeric values of 0 and
1, which are also referred to as off or on.
Base 2.
What is the number base of the binary number system? - ANSWER2
In the binary value 100 base 2, what is the place value of the 1? - ANSWER4s
place
Can you convert between number bases? - ANSWERyes
