LineRate:Also known as DTE rate, the unit is bit/s (bps). Refers to the data transfer rate on the telephone line (or dedicated line) connecting two modems. Common rates are 28800bps, 19200bps, 14400bp...
Multimedia systems can be roughly divided into three categories:(1) Development systems with dual functions of editing and playback;(2) With interactive playback functions Mainly education/training sy...
Introduction to the number of heads The number of heads (Heads). The function of the heads is to convert magnetoelectricity. The cost of the heads accounts for about 40% of the total cost of the hard...
Definition The channel is the channel for transmitting information. Physical channels generally refer to channels that rely on physical media to transmit information, such as telephone lines, optica...
System installation methods The meanings of various installation methods are as follows:● Fresh installation: Install another operating system in addition to the original operating system, that is Wh...
The multimedia functions of commercial models are generally not strong. Some commercial machines are highly targeted in design, only highlighting the enhancements suitable for certain aspects of appli...
Main categories Multimedia computers can be divided into [TV computers (Teleputer) developed by home appliance manufacturers and computer TVs (Compuvision) developed by computer manufacturers�...
Composition The storage bus is composed of many parallel data transmission lines, which are subdivided into three groups: data bus (used to transfer data); address bus (used to transfer main Memory...
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...