Cyflwyno'r cyfrifiadur
By: Brian Reffin Smith ; addasiad Cymraeg gan J. Elwyn Hughes.
Series: Y Gwyddonydd ifanc
Publisher: Elfen
Published: 1987
Place of publication: (Aberystwyth?)
Language: wel
Number of pages: 32
Subjects: Computers -- Juvenile literature.
Work titles: Usborne guide to computers.
Notes: Includes index.