A、 double
B、 duplex
C、 multiplex
D、 high efficiency
答案:B
A、 double
B、 duplex
C、 multiplex
D、 high efficiency
答案:B
A. Screen resolution
B. Screen span
C. Screen pixels
D. Screen size
A. characters per minute
B. characters per millisecond
C. characters per second
D. words per minute
A. 正确
B. 错误
A. 正确
B. 错误
A. Forms
B. Links
C. Reports
D. Queries
A. connected
B. Static
C. default
D. dynamic
A. 正确
B. 错误
A. both a. and b.
B. server
C. neither a. nor b.
D. personal computer
A. video card
B. graphics board
C. either a. or b.
D. neither a.nor b.
A. all of the above
B. personal computers
C. servers
D. handheld computers