A computer program is a series of instructions that
directs a computer to perform tasks. A
programming language is a set of words,
symbols, and codes that enables a programmer to
write the instructions in a computer program. Two
low-level programming languages are machine
language and assembly language. A machine
language uses a series of binary digits, or
combinations of numbers and letters that
represent binary digits, and is the only language a
computer directly understands. With an assembly
language, a programmer writes instructions using
symbolic instruction codes, which are meaningful
abbreviations and codes