DTC Study Exam Questions & Answers
When was digital tech created? - ANSWERS+ mid 1900s by american engineers
What are Bits? - ANSWERSBinary Digits
- smallest unit of digital info
- 1=on, 0=off
What does ASCII stand for and what is it? - ANSWERSAmerican Standard Code for Information
Interchange:
- universal code that can store alphanumeric characters
What are computers? - ANSWERSDeterministic (do what told) machines that solve problems
through program instructions and manipulate symbols
+ helps accomplish something and is medium we work in
What is an abacus? - ANSWERSearly form of a calculator
Who is charles babbage and what is his significance? - ANSWERScreated difference engine
(steam powered that did math)
+ idea about analytical engine that took data, run sequences, stored memory. - was never made
Jacquard loom influence in technology? - ANSWERS+ came with the Loom that operated
through punch cards that followed specific patterns of loom
What are 6 components of computers?; what does each component do? - ANSWERS+ power
supply
, + Central Processing Unit (CPU): brain, makes calculations
+ Memory/RAM: holds place for instructions
+ Hard drive: permanent memory/info
+ video card/graphics card: connect to motherboard and output images
+ motherboard: connect components like cpu, memory, input and output
What is Graphical user interface? - ANSWERSa visual way of interacting with a computer using
items such as windows, icons, and menus, used by most modern operating systems.
What does a computer software do? - ANSWERS+ hold instructions how to run tasks
What is the difference between low, mid, and high lvl language? - ANSWERS+ low: looks like
binary and machine code
+ mid: use characters and symbols for instructions
+ ex. java, c++, C
+ high: looks like real languages
+ ex. ruby, java script, perl, php, phyton
What is the purpose of Computational thinking, and what are its principles? - ANSWERS+
Purpose: understand issues and how to solve them
+ decomposition: break down parts
+ pattern recognition
+ abstraction: in patterns find what is not needed in order to solve problem
+ algorithm writing: create list of steps to solve issue
What is digital art? - ANSWERS+ art that incorporate tech in making/presenting process
+ computers are creative assistants (supported by ada lovelace)
When was digital tech created? - ANSWERS+ mid 1900s by american engineers
What are Bits? - ANSWERSBinary Digits
- smallest unit of digital info
- 1=on, 0=off
What does ASCII stand for and what is it? - ANSWERSAmerican Standard Code for Information
Interchange:
- universal code that can store alphanumeric characters
What are computers? - ANSWERSDeterministic (do what told) machines that solve problems
through program instructions and manipulate symbols
+ helps accomplish something and is medium we work in
What is an abacus? - ANSWERSearly form of a calculator
Who is charles babbage and what is his significance? - ANSWERScreated difference engine
(steam powered that did math)
+ idea about analytical engine that took data, run sequences, stored memory. - was never made
Jacquard loom influence in technology? - ANSWERS+ came with the Loom that operated
through punch cards that followed specific patterns of loom
What are 6 components of computers?; what does each component do? - ANSWERS+ power
supply
, + Central Processing Unit (CPU): brain, makes calculations
+ Memory/RAM: holds place for instructions
+ Hard drive: permanent memory/info
+ video card/graphics card: connect to motherboard and output images
+ motherboard: connect components like cpu, memory, input and output
What is Graphical user interface? - ANSWERSa visual way of interacting with a computer using
items such as windows, icons, and menus, used by most modern operating systems.
What does a computer software do? - ANSWERS+ hold instructions how to run tasks
What is the difference between low, mid, and high lvl language? - ANSWERS+ low: looks like
binary and machine code
+ mid: use characters and symbols for instructions
+ ex. java, c++, C
+ high: looks like real languages
+ ex. ruby, java script, perl, php, phyton
What is the purpose of Computational thinking, and what are its principles? - ANSWERS+
Purpose: understand issues and how to solve them
+ decomposition: break down parts
+ pattern recognition
+ abstraction: in patterns find what is not needed in order to solve problem
+ algorithm writing: create list of steps to solve issue
What is digital art? - ANSWERS+ art that incorporate tech in making/presenting process
+ computers are creative assistants (supported by ada lovelace)
