The rookie asked again, what types of memory are there? What are the specific parameters of each mod

26 in KVR26N19S8 16 represents the frequency of 2666MHz, N represents unbuffered DIMM (non-ECC memory), 19 represents Cas latency 19, S represents a single in-line memory module, 8 indicates that 8 memory particles are used, and 16 represents a capacity of 16GB.

Summary. Hello dear, it's a pleasure to serve you. 1.

At present, in the computer installation market, the mainstream DDR4 memory frequency is 2400MHz and 2666MHz, but one problem to pay attention to is that the configuration of high-frequency memory modules also needs to be supported by the frequency of the CPU and motherboard. Otherwise, if you configure a high memory frequency, it will not be compatible with use. The result is that money is spent in vain, but it does not get the performance it deserves.

Generally. Hello dear, it's a pleasure to serve you. 1.At present, in the computer installation market, the mainstream DDR4 memory frequency is 2400MHz and 2666MHz, but one problem to pay attention to is that the configuration of high-frequency memory modules also needs to be supported by the frequency of the CPU and motherboard.

Otherwise, if you configure a high memory frequency, it will not be compatible with use. The result is that money is spent in vain, but it does not get the performance it deserves. Generally.

2.Some machines are already equipped with DDR5 memory. Mainly used on some 12th and 13th generation CPUs.

3.If it is a laptop, the memory should generally choose 16GB or more than 16GB. Now the general memory of notebooks starts at 16G.

The parameters of the current mainstream hard disks.

At present, the parameters of mainstream hard disks: the size generally starts at 512GB. SSDs are generally NVMe's protocol. Yes, SSDs.

128=（）b

128？There are many units behind the 128kb gb tb128. Please give us the specific unit.

128gb=131072mb=134217728kb

The question of base conversion.

There is no such conversion, you must bring the unit to convert, and the base conversion of different b has been done for you.

128gb=131072mb=134217728kb

1gb=1024mb1mb=1024kb

There are three types of performance parameters for memory: speed, capacity, and parity.

1. Speed effect:

Access time is another important indicator of memory, its unit is nanoseconds (ns), common SDRAM has 6ns, 7ns, 8ns, 10ns, etc., and is correspondingly marked with the words -6, -7, -8, -10 and so on. The lower the number, the faster the access. Slow memory and fast motherboard will affect the speed of the CPU and may also cause a system crash; The memory is fast and the motherboard is slow, and the result can only be a waste of resources caused by overuse and underuse.

2. Capacity function:

Whether or not a memory module can be installed in full bank units will determine whether the memory will work properly, which is related to the number of bits on the data bus of the computer, and the number of bits in the data bus is also different for different models of computers.

3. Parity function:

Parity check is a way to correct data errors when data is transmitted, and it is divided into two types: odd check and even check.

If the odd check is used, when each byte is transmitted, another bit is added as the check digit, when the number of "1" in the original data sequence is an odd number, this check bit is "0", otherwise the check bit is "1", so as to ensure that the transmitted data meets the requirements of the odd check.

When the receiver receives the data, the number of "1" in the data will be detected according to the requirements of odd check, if it is an odd number, it means that the transmission is correct, otherwise it means that the transmission is wrong. In the same way, the process of even check is the same as that of odd check, except that the number of "1s" in the test data is an even number.

1. The memory module is one of the important parts of the computer, and it is the bridge to communicate with the CPU, and all the software in the computer is run in the memory module. Memory is mainly used to temporarily store data, such as the data called in the computer, which needs to be read from the hard disk and sent to the memory, and then the memory is sent to the CPU for work tasks.

2. There are two parts to the memory.

RAM is used to store data temporarily, and files will be lost after a power failure, so if you copy something, you can't paste the file you just copied after restarting the computer.

Read-only memory (ROM) It cannot be deleted and cannot overwrite other data, and it is mainly used to store memory manufacturers, models, etc.

For example, when playing a game, just after playing the game, I feel that the speed of the computer has decreased, which is because the memory is occupied by game data The speed returns to normal after restarting the computer, that is, the RAM in the memory releases the data.

3. Memory is a unique component of a computer, and the CPU can address the memory through the data bus. There is main memory on the motherboard of the old machine, and the memory module is an extension of the main memory. Later, there was no main memory on the motherboard of the new machine, and the CPU became dependent on memory modules.

The size of the computer's memory (RAM) is usually referred to as the total capacity of the memory module.

4. The computer system is a commonly used program, such as Windows, Linux and other system software, including chat software, game software, etc., and a large amount of data including programs are placed on external memory devices such as tapes, disks, optical discs, mobile disks, etc., but any data in external memory can only be really used if it is transferred into memory. The input devices (keyboard, mouse, microphone, scanner, etc.) and output devices (display, printing, audio, etc.) on the computer all work through memory modules.