Specifications such as DDR, DDR2, DDR3 and DDR4. DDR4 is the most advanced.
The working frequencies are 2800MHz, 2666MHz, 2400MHz, 2 133MHz, 2000MHz, 1866MHz, 1600MHz, 1333MHz, 1066MHz, and so on. The higher the frequency, the faster the speed.
The capacity is 5 12MB, 1GB, 2GB, 4GB, 8GB, 16GB, etc. A larger capacity is good.
CL delay, such as 2-2-2-5, 10- 10-30,11-. The smaller the number, the shorter the reaction time.
What are the main courses of human resource management?
The professional courses of human resource management mainly include management, microeconomics,