Data and Computers

Using a hexidecimal base, how many unique memory addresses can there be?

• 2⁸

• 8¹⁶

• 16⁶

• 2¹⁶

• 16⁸

How many values can a binary digit store?

• one of two values

• ten values at a time

• one of ten values (0-9)

• two values at a time

What's the least number of bits that you'll need to represent the current minute (0-59) in binary?

• 6

• 8

• 2

• 59

• 60

A bunch of computer scientists take over an island and start their own country. They want the license plates to use binary numbers. There's space for 7 digits on each license plate and the first plate starts at 0000000

.

How many unique license plates can their country support? Answer in decimal:

• 127

• 128

• 64

• 126

Which of these lists correctly orders the binary numbers from smallest to largest?

• 00010001, 00010101, 01001000, 00100111

• 00010001, 00100111, 00010101, 01001000

• 00010101, 00010001, 00100111, 01001000

• 00010001, 00010101, 00100111, 01001000

It's your friend's birthday, and you want to use binary numbers for the candles on their cake. Your plan is to use green candles to mean "on" and gray candles to mean "off".

What's the least number of candles you need in order to represent the age 18?

• 8

• 5

• 18

• 4

You've decided to use binary to communicate "secret" messages to your friend, and you want to tell them to meet you at locker 44.

What would that decimal number be in binary?

• 1000100

• 011111

• 101100

• 110010

Which of these lists correctly orders the binary numbers from smallest to largest?

• 0011, 0110, 0101, 1010

• 1010, 0110, 0101, 0011

• 1010, 0101, 0110, 0011

• 0011, 0101, 0110, 1010

Select the true statements about logic gates:

Choose all answers that apply:

• Logic gates must operate on at least two inputs.

• All logic gates are, by definition, implemented using transistors.

• A logic gate is any device that implements a boolean function, outputting a single binary output.

• Only manufacturing firms like Intel have the equipment necessary to create logic gates.

A truth table shows the output values for a logic gate based on a set of input values.

Consider the following truth table:

Which logic gate has a truth table that looks like that table?

• OR gate

• Both AND and OR gates

• AND gate