General English

General Science

  • noun a mistake due to an operator or caused by a hardware or software fault


  • noun the known inaccuracy of an instrument or system which has to be corrected by calculating the true value


  • noun a mistake in a program that prevents a program or system running correctly


  • A deviation from a true, expected, or specified result. For example, a discrepancy between a calculated, observed, or measured value, and the theoretically correct one. Another example is the presence of a difference between transmitted and received data.
  • The magnitude or degree of an error (1).
  • In computers, an inability to carry out an operation, or an incorrect result, as a result of a software and/or hardware deficiency, or mistakes by a user.