Which of the following types of signals does the data bus transmit?
A: Data in memory
B: Instructions in memory
C: Data of IO devices
D: Status of IO devices
A: Data in memory
B: Instructions in memory
C: Data of IO devices
D: Status of IO devices
举一反三
- Name the three types of bus which are used when external memory is connected to the 8051.( ) A: Address bus B: Control bus C: Data bus D: Enable bus
- Which is the modulation and demodulation technology mainly used among the following communication modes? A: Analog channel transmits digital data B: Analog channel transmit analog data C: Digital channel transmit digital data D: Digital channel transmit analog data
- _______ is the control and data processing center of the whole computer system. A: Memory B: Motherboard C: CPU D: Bus
- What is the control bus pin of MCU extended data memory? A: ALE B: PSEN and ALE C: PSEN D: RD and WR
- The width of address bus determines __________. A: word size B: maximum memory capacity of system C: carry data D: control signal