Keyboards and CLIs

Which field of study focuses on the interface between humans and computers?

• software engineering
• computational biology
• human-computer interaction
• computer networking

Early mechanical computing devices used which elements for human interface?

• voice commands
• keyboards and mice
• touch screens
• gears, knobs, and switches

Which computer required weeks to input a program?

• Commodore 64
• Apple I
• Colossus and ENIAC
• IBM PC

Who designed a paper printer for the Difference Engine in the 1820s?

• Turing
• Babbage
• Gates
• Jobs

Which medium was used for computer input by the 1950s, making mechanical inputs obsolete?

• floppy disks
• compact discs
• usb drives
• punch cards and magnetic tape

Why was punch tape designed?

• aesthetic purposes
• data security
• easy for computers to read
• longer storage life

Before 1950, why didn't computers typically interact with humans in real-time?

• too expensive to wait for human input
• not connected to a power source
• humans were slow typers
• lacked necessary software

What became feasible in the late 1950s due to the decreasing cost of computers?

• internet browsing
• human-in-the-loop interactions
• advanced graphics
• artificial intelligence research

Which device was borrowed by computers for user input?

• punch cards
• joysticks
• keyboards
• touch screens

Who invented the modern typewriter?

• Alfred Nobel
• Alexander Graham Bell
• Christopher Latham Sholes
• Leonardo da Vinci