【单选题】NBDP 射频信道的码元传输速率为_____BD。 (130837:第7章 地面通信系统与业务) (A-0,B-0,C-0,D-0,错误-0)
【简答题】The memory unit is an essential component in any digit computer since it is needed for storing the programs that are executed by the CPU.
【简答题】简约生活是低碳生活的方式之一.在保证生活需要的前提下,每人每年少买一件不必要的衣服可减排二氧化碳5千克.如果每年全国13亿人都能做到这一点,可以减排二氧化碳多少亿千克?每棵大树每年可以吸收30千克二氧化碳,全国一年减排的二氧化碳相当于多少棵大树一年吸收的二氧化碳?(四舍五入到整数)
【单选题】CPU contains the electronic circiuts that cause the computer to follow instructions from the memory.Which is a short-term memory that can erase the information when you shut down the PC.
【单选题】NBDP射频信道的码元传输速率为_____ 波特。
【单选题】The memory that CPU can not access is ________.
【简答题】When a new information is entered,
it must 1 somewhere in the computer’s 2 . Later, the CPU must also be 3 to get this information
from memory. This is where RAM is needed. The CPU can 4 write to and ...
【多选题】which components in the computer system may become the bottleneck that affects the performance of the computer,with the increase of CPU processing speed for Von Neumann structure computer ,