Sawyer, Stacey C.
Using information technology : a practical introduction to computer and communications / Stacey C. Sawyer, Brian K. Williams, Sarah E. Hutchinson. - Brief 3rd ed. - Boston : Irwin McGraw-Hill, c1999. - xxii, 345 p. : cheifly col. il
Earlier ed. Brian K. Williams, Sarah E. Hutchinson.
Computers.
Telecommunications systems.
Information technology.
Using information technology : a practical introduction to computer and communications / Stacey C. Sawyer, Brian K. Williams, Sarah E. Hutchinson. - Brief 3rd ed. - Boston : Irwin McGraw-Hill, c1999. - xxii, 345 p. : cheifly col. il
Earlier ed. Brian K. Williams, Sarah E. Hutchinson.
Computers.
Telecommunications systems.
Information technology.