Computer Science Principles, Unit 1 Review

A computer is an electronic device that:

• does not ever surf the internet

• processes data

• processes a food processor

• is a simple machine such as a "lever"

• occasionally visits on Thanksgiving

At it's lowest level, software is just.....

• a toaster with a digital brain

• a mouse

• a series of ones and zeros

• a peripheral

Which of these items are considered to be computer "hardware"? Check all that apply.

• a printer

• Microsoft Word

• wires

• the monitor

• an idea

Main Memory (also called RAM)..........does it store information permanently?

• yes

• no

Why would a computer's power supply (a physical hardware part) have a fan?

• to fly

• to blow away bugs

• to keep it cool

• to play music on a flute

Which of these items are examples of a computer's input and / or output devices? Select all that apply.

• a laptop cooling mat

• a monitor

• a keyboard

• a stick of RAM

A CD has a smooth surface with....

• polymer resin and raisins

• pits

• a laser light sandpaper

• a binary

What is the actual number of bytes in a megabyte? As represented in decimal form.

• 1,203,334

• 1,254,499

• 1,048,576

• 1,024,224

When abbreviated, the phrase American Standard Code for Information Interchange is represented as:

• AMINCHG

• ASCIE

• AMCCN

• LOLGTGCOMP

• ASCII

If a number system is base 16, and uses 0-9 and a-f, that number system is considered to be:

• metasystemically accio hogwartian

• reuptick congruently mandalorian

• hexadecimal

• quadridecimal laterametrically chi