Iteration

Question 1

Use the drop-down menu to complete the sentences about computer communication.Computer data is comprised of a string of on and off switches called .

Revolt · Accepted Answer

bits; Selection 1: bits; Selection 2: on and off bits

Question 2

Computers break data down into .

Revolt · Accepted Answer

on and off bits

Question 3

Use the drop-down menu to correctly identify the numbering system.This numbering system uses 8 symbols: This numbering system uses 0 and 1: This numbering system uses 16 symbols: This numbering system uses 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9: This numbering system uses 2 symbols: This numbering system uses 10 symbols: This numbering system uses numbers and letters: This numbering system uses 0, 1, 2, 3, 5, 6, and 7:

Revolt · Accepted Answer

Selection 1: octal number system; Selection 2: binary number system; Selection 3: hexadecimal number system; Selection 4: decimal number system; Selection 5: binary number system; Selection 6: decimal number system; Selection 7: hexadecimal number system; Selection 8: octal number system

Question 4

Use the table on the right to convert from binary to decimal.

Revolt · Accepted Answer

The binary value of decimal 15 is 1111.

Question 5

Use the table on the right to convert from decimal to binary.

Revolt · Accepted Answer

The decimal value of binary 1100 is 12.

Question 6

Use the table on the right to convert from hexadecimal to binary.

Revolt · Accepted Answer

The binary value of hexadecimal D is 1101.

Question 7

Use the table on the right to convert from decimal to hexadecimal.

Revolt · Accepted Answer

The hexadecimal value of decimal 10 is A.

Question 8

Use the table on the right to convert from decimal to octal.

Revolt · Accepted Answer

The octal value of decimal 13 is 15.

Question 9

Identify the reasons that numeric data representation is important to computer programmers. Check all that apply.

Revolt · Accepted Answer

The computer reads data in binary form.; Using a number system that makes sense to a programmer makes it easier to track the data.; The ability to represent data in 0s and 1s is essential to computing.

Iteration Answers

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