The hard disk

Hard disk, there are mechanical hard disk, solid state hard disk, mobile hard disk.

HDD (Hard Disk Drive)

Solid State Disk (SSD)

Memory module and hard disk

In addition to a small number of essential operating system programs resident in the memory, we usually use programs, such as Windows, Linux and other system software, including typing software, game software and other application software, although the program code including a large amount of data are put on disk, CD, mobile disk and other external storage devices, But any data in external memory cannot be used until it is called into memory. Every kind of input (from external memory, keyboard, mouse, microphone, scanner, etc.) and every kind of output (display, printing, audio and video, writing, etc.) on a computer can only be done through memory.

Memory module and hard disk

Hard disks are storage devices, and memory modules are transfer devices. After a power outage, the contents of the hard drive will not be lost; The information in the memory will be lost after the power is switched on again.

Check the CPU cores of your computer

The first method: Ctrl+Alt+Delete, open task Manager, view “Memory”,Second method: Go to Computer Management > Device Management and check “Processor”.

Check how many gigabytes are on your computer’s hard drive

Choose Computer Management > Storage, Disk Management,