The time interval between pulse signals is called period; and the number of pulses generated in a unit time (such as 1 second) is called frequency. Frequency is a measurement name that describes how m...

The memory between 640KB and 1MB is called high-end memory, which is reserved for use by the system. The memory above 1MB becomes the extended memory, and the extended memory is managed by HIMEM.SYS....

Introduction It is a 64KB memory between 1024KB and 1088KB, called the high memory area, its address is 100000H～1OFFEFH or above, and the CPU uses Segment:OFFSET in real address mode (Segment addre...

generally refers to the system board Board synonyms Introductionh2> Board, also known as a motherboard, installed on the mainframe computer, the computer is one of the most important basic compo...

The concept of a compatible machine In 1983, IBM adopted the 8088 chip produced by INTEL as the CPU (central processing unit) of the computer to produce a personal computer. Since a lot of software w...

Cache failure Cache is unstable Symptom: If on-board secondary cache (L2 Cache or External Cache) is allowed in COMS settings, run the software Sometimes it’s easy to crash, and disabling the secon...

There are two forms of minimum system Minimal hardware system: consists of power supply, motherboard, CPU, and memory. In this system, there is no signal line connection, only the power supply to the...

Software introduction Because of the predecessors of IBM, the memory is too simple. Therefore, the system memory has a barrier of 640K. It can only support basic dos and general commands. The rapid...

Difference from 64-bit The so-called 64-bit computer means that this computer uses a 64-bit CPU. Compared with a 32-bit CPU, a 64-bit CPU is the most obvious The changes are the addition of 8 64-bit...

Access speed refers to the data transfer speed of the flash memory card when data is written or read. Different types of flash memory cards use different interface specifications, and naturally their...

Main function The main function of the adapter card is to convert different SCSI interfaces. SCSI has different interface types. Common ones are 50-pin, 68-pin and 80-pin. In addition, there will be...

The synonym cernet generally refers to the China Education and Scientific Research Computer Network Functional Role The overall goal of CERNET construction is to use advanced and practical computer...

Function The switching power supply transformer and the switch tube together form a self-excited (or other) intermittent oscillator, thereby modulating the input DC voltage into a high-frequency puls...

Idiom explanation The crux: the sickness of lumps in the stomach. An analogy of the key to an event or problem. Source of idioms Qing·Jiang Fan's "Sinology Master Chengji·Yan Ruohuang": "Sinking for...

The synonym OSI/RM generally refers to the Open System Interconnection Reference Model. Introduction The full name of the OSI Reference Model is the Open System Interconnection Reference Model, whic...

Synonym display core generally refers to graphics processor Introduction A raster display system is inseparable from the graphics processor. The graphics processor is an important component of the g...