is this 2B1Q?
is this 2B1Q?
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traditional hard drives rely on the mechanical rotation of magnetic heads to read and write data. it is said that solid-state drives have the same principle of reading and writing as memory, so solid-state drives have no heads? then why can t the spee...
1. Main memory includes ROM, RAM, cache 2.Cache is a small capacity memory between CPU and main memory question: 1. In the second point, does main memory mean that RAM, which is commonly known as "br > 2.cache ", only logically belongs to memory, b...
how does RT, understand that the TCP IP protocol is data flow oriented and the UDP protocol is Datagram oriented? ...
non-local area network, is there a way to get the mac address of a host? Know ip ...
ADSL technology can make full use of the existing PSTN (Public Switched Telephone Network, public switched telephone network). As long as ADSL equipment is installed at both ends of the line, it can provide users with high broadband services without rew...
When are DMA and interrupts in RT,IO mode used respectively? ...
here is a description of the sentence: https: gss0.baidu.com 94o3dS. it says above that all ports of HUB and SWITCH are in a broadcast domain, and each port on the router forms its own broadcast domain. I can understand the description of HUB and r...
I made my resume at night, couldn t sleep, and posted in the early morning, just for a better future! < hr > I graduated from a 211 university in Nanjing in 16 years and majored in information and computing science. Now I work in a state-owned milita...
in other words, a > = b equals astatb | | a > b or a > b | | astatableb? ...
16-bit timer is run on 8-bit single-chip microcomputer, which works by counting increment-threshold overflow. The real-time value of the counter is now read while the counter is not frozen. If the count value before readout is 0x06ff, what is the possibl...
1) restore bitstream to frame; 2) decide which path to use to transfer data to the destination; 3) error control; 4) congestion control; 5) flow control; 6) Transmission medium ...
can ping the domain name (for example: abc.com) and ping the domain name ip (105.22.1.5), but why can t I open the website (abc.com, can t be opened)? ...
0x80000000, which is the minimum value of shaping, so why 0-0x80000000 or 0x80000000? how exactly is the symbol bit calculated ...
sliding window follows sliding window protocol congested window CWND is the window size of the sender, and follows AIDM (additive window addition, multiplicative window reduction) so what s the difference between the two windows? my understanding is ...
according to the switching mode, the computer network can be divided into line switching network (Circurt Switching), message switching network (Message Switching), packet switching network (Packet Switching). our commonly used telephones are line-sw...
what is the relationship between eth0 and en0? under my etc sysconfig network-scripts , there are ifcfg-en0 and ifcfg-eth0 : [root@localhost ]-sharp ls etc sysconfig network-scripts ifcfg-en0 ifdown-ipv6 ifup ifup-plip ifu...
which protocols can implement broadcasting? We often know the word broadcast domain, which is based on the second layer. Then I know that ARP can broadcast. So what other protocols can be implemented? ...
first of all, to be clear, the client (the party that initiates the request) and the server (there is a service listening on port 8080, for example). OK, because of the definition of tcp connection quad , the requesting party needs to constantly consu...
calculate network correlation ...
is analog signal transmission or digital signal transmission used in frequency division multiplexing in the following figure? why is so little bandwidth used? I read in a book that the digital signal transmits voice at 8 bits and takes 8000 samples per ...