Question

crash course computer science episode #22: keyboards & command line interfaces

1. babbage had a paper printer for his early computer in the 1820s. (true) false
2. what does hitl stand for? human - in - the - loop
3. what did christopher latham sholes invent? a modern typewriter b. computer monitor c. modern computer keyboard d. modern computer speakers
4. what layout do most keyboards use in the united states? qwerty layout
5. why do we still use this keyboard layout today? because of established use. its cost - effective (cost of switching to a new standard)
6. what keyboard layout is common in central europe? qwertz
7. the typewriter was originally created to help people write faster. true / false
8. \early computers adapted a special type of typewriter that was used for called the _ machine.\
9. when were teletype computers commonplace? a. 1920s/1930s b. 1930s/1940s c. 1940s/1950s d. 1960s/1970s
10. when did the first computer monitors begin to be released? a. 1940s b. 1950s c. 1960s d. 1970s
11. what was one \early interactive, text - based computer game?\
12. how can you access the command line interface on your computer?

direct epis https://www.youtube.com/watch?v=4rpt
© 2020, k maxson

Explanation:

1. True - False Question: Babbage did have a paper - printer for his early computer in the 1820s.
2. Acronym Definition: HITL stands for Human - in - the - loop.
3. Invention Identification: Christopher Latham Sholes invented the modern typewriter.
4. Keyboard Layout Knowledge: Most keyboards in the US use the QWERTY layout.
5. Layout Usage Reason: The QWERTY layout is still used due to established habits and the high cost of switching to a new standard.
6. European Keyboard Layout: QWERTZ is common in Central Europe.
7. Typewriter Purpose Fact - Check: The typewriter was not originally created to help people write faster.
8. Early Computer - Typewriter Adaptation: Early computers adapted a special type of typewriter called the teletype machine.
9. Teletype Computer Time - period: Teletype computers were commonplace in the 1960s/1970s.
10. Computer Monitor Release Time - period: The first computer monitors began to be released in the 1970s.
11. Early Text - based Game: One early interactive, text - based computer game was "Adventure".
12. Command Line Access: On Windows, you can access the command - line interface via the Command Prompt (cmd), on Mac and Linux via the Terminal.

Answer:

1. TRUE
2. Human - in - the - loop
3. A. Modern Typewriter
4. QWERTY
5. Due to established habits and high cost of switching to a new standard
6. QWERTZ
7. FALSE
8. teletype
9. D. 1960's/1970's
10. D. 1970's
11. Adventure
12. On Windows, via the Command Prompt (cmd); on Mac and Linux, via the Terminal.