Rackham, Tony.
Revise computer studies : a complete revision course for GCSE / Tony Rackham. - Rev. ed. - London : Charles Letts, c.1987. - xiv, 218 p. : ill. ; 29 cm. + - Letts study aids .
Includes index.
0850977789
Electronic digital computers.
Computer systems.
004 / RAR
Revise computer studies : a complete revision course for GCSE / Tony Rackham. - Rev. ed. - London : Charles Letts, c.1987. - xiv, 218 p. : ill. ; 29 cm. + - Letts study aids .
Includes index.
0850977789
Electronic digital computers.
Computer systems.
004 / RAR