IS 101 EXAM 1 STUDY GUIDE UNR 2025 | ACTUAL QUESTIONS & ANSWERS

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IS 101 EXAM 1 STUDY GUIDE UNR
2025 | ACTUAL QUESTIONS &
ANSWERS


Hierarchy of Data Storage - correct-answer-Byte
Kilobyte
Megabyte
Gigabyte
Terabyte
Petabyte
Exabyte
Zetabyte




Computer Categories - correct-answer-- Desktop and mobile computers
- Servers and terminals
- Smartphones, digital cameras, e-book readers
- Game devices
- Embedded Computers

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Server Configurations and roles - correct-answer-Rack server, tower server, blade
server




Terminal examples - correct-answer-Retail stores use Point of Sale terminals (Self
Checkout) to record purchases, ATMs, Kiosks




Functions of CPU - correct-answer-brains of the computer, processes all
commands and instructions




CPU Performance Measures - correct-answer-Processor speed measured in hertz
(Hz), Megahertz (MHz), or gigahertz (GHz), number of cores: single, dual, quad,
eight




Functions of RAM - correct-answer-Stores instructions and data, computer can
have one or several RAM chips, temporary (volatile) storage




Functions of ROM - correct-answer-Stores startup instructions, permanent
(nonvolatile) storage