The
baud rate of serial transfer using Mode 0 of 8051 running at 6MHz
clock frequency is()
A: fixed
at 256Kbps
B: fixed
at 512Kbps
C: variable
with maximum with 256Kbps
D: variable
with maximum with 512Kbps
baud rate of serial transfer using Mode 0 of 8051 running at 6MHz
clock frequency is()
A: fixed
at 256Kbps
B: fixed
at 512Kbps
C: variable
with maximum with 256Kbps
D: variable
with maximum with 512Kbps
举一反三
- EIA<br/>RS-232的接口标准有两个较大的弱点:数据的传输速率最高仅为,连接电缆的最大长度不超过()。 A: 40 Kbps,15m B: 20 Kbps,20<br/>m C: 20 Kbps ,15m D: 40 Kbps,20<br/>m
- Which<br/>of the following is the Y-axis of the histogram?() A: frequency B: relative<br/>frequency C: relative<br/>frequency density D: values<br/>of a variable E: rate
- The<br/>vertical axis of the histogram is () A: Frequency B: Relative<br/>frequency C: Relative<br/>frequency density D: The<br/>values of a variable E: The<br/>intervals of a variable
- () are<br/>real assets. A: Land B: a<br/>fixed level of income for the life of the owner. C: Machines D: a<br/>variable level of income for owners on a fixed income. E: Stocks<br/>and bonds F: a<br/>fixed or variable income stream at the option of the owner. G: Knowledge H: a<br/>fixed stream of income or a stream of income that is determined<br/>according to a<br/>specified<br/>formula for the life of the security. I: Land,<br/>machines, and knowledge<br/>A<br/>debt security pays (D)
- For<br/>a bar chart, we take _____ as the horizontal axis. () A: frequency B: relative<br/>frequency C: relative<br/>frequency density D: values<br/>of a variable