Chapter 1 Vocab practice

Front

Binary

Back

A number system that only uses two digits: 0 and 1.

Front

Bit

Back

The smallest unit of data in a computer, which can be either a 0 or a 1.

Front

One's complement

Back

A way to represent negative binary numbers by flipping all the bits.

Front

Two's complement

Back

A common method to represent negative binary numbers by flipping all the bits and then adding 1.

Front

Sign and magnitude

Back

A way to show negative numbers where the first bit indicates if the number is positive (0) or negative (1).

Front

Hexadecimal

Back

A base-16 number system using 0-9 and A-F; a shorter way to write long binary numbers.

Front

Memory dump

Back

A printout of the raw data in a computer's memory, often used to find errors.

Front

Binary-coded decimal (BCD)

Back

A system where each digit of a regular decimal number is represented by its own 4-bit binary code.

Front

ASCII code

Back

A standard that assigns a unique number to every letter, number, and symbol.

Front

Character set

Back

The complete collection of characters that a computer can work with.