What is microcomputer external (auxiliary) memory?
Microcomputer external (auxiliary) memory refers to the disk. Disk refers to a memory that uses magnetic recording technology to store data. Disk is the main storage medium of computer. It can store a large amount of binary data and maintain data without loss even after power outage.
The external (auxiliary) memory of the microcomputer refers to the disk.
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Disk refers to a memory that uses magnetic recording technology to store data.
Disk is the main storage medium of computer. It can store a large amount of binary data and can maintain data without loss even after power outage. The disk used in early computers was a floppy disk (Floppy Disk, referred to as floppy disk), and the disk commonly used today is a hard disk (Hard disk, referred to as hard disk).
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Which memory has the fastest access speed?
Jul 26, 2022 am 10:54 AM
The fastest access memory is "internal memory"; the memory in the computer adopts a hierarchical structure, arranged in order of speed, including internal memory, cache memory, the computer's main memory, and large-capacity disks. The memory is generally divided into RAM Random Access Memory and ROM Read Only Memory.
Can the CPU directly access data in the internal memory?
Nov 25, 2022 pm 02:02 PM
Can be accessed directly. Internal memory, also called memory, is the bridge between external memory and the CPU. All programs in the computer run in memory. The function of memory is to temporarily store calculation data in the CPU and data exchanged with external memories such as hard disks. As long as the computer is running, the operating system will transfer the data that needs to be calculated from the memory to the CPU for calculation; when the calculation is completed, the CPU will transmit the results. The operation of the memory also determines the stable operation of the computer.
What is the basis for computers to have strong memory capabilities?
Jul 09, 2021 pm 03:59 PM
The basis for a computer to have a strong memory capability is a storage device with sufficient capacity. Memory can be divided into internal memory and external memory. They enable computers to have powerful memory functions and can store large amounts of information. This information includes not only various types of data information, but also programs for processing these data.
What is the memory system in a computer system?
Jul 22, 2022 pm 02:23 PM
The memory system refers to a system in a computer consisting of various storage devices that store programs and data, control components, and devices (hardware) and algorithms (software) that manage information scheduling. The storage system provides the ability to write and read information (programs and data) required for computer work, and realizes the computer's information memory function. The hierarchical structure of the storage system can be divided into five levels: register group, cache cache, main memory, virtual memory and external memory.
Which country invented the USB flash drive?
Oct 09, 2022 pm 02:26 PM
The USB flash drive was invented in China, and Netac is the global inventor of the USB flash drive. In July 2002, Netac's "Fast Lightning External Storage Method and Device for Data Processing Systems" was officially authorized by the State Intellectual Property Office. This patent filled the 20-year gap in invention patents in the field of computer storage in China; 2004 On December 7, 2019, Netac received the basic invention patent for flash disks officially authorized by the U.S. National Patent Office.
Computers with microprocessors as the core belong to which generation of computers
Dec 24, 2020 pm 04:26 PM
Microcomputers with microprocessors as the core belong to the 4th generation of computers. Transistors are the characteristics of the second generation computers, integrated circuits are the characteristics of the third generation computers, vacuum tubes are the characteristics of the first generation computers, and large-scale integrated circuits are the characteristics of the fourth generation computers; and microprocessors are composed of one or a few A central processing unit composed of several large-scale integrated circuits.
What is cache?
Nov 25, 2022 am 11:48 AM
Cache is called cache memory. It is a high-speed small-capacity memory between the central processing unit and the main memory. It is generally composed of high-speed SRAM. This kind of local memory is oriented to the CPU. It is introduced to reduce or eliminate the gap between the CPU and the memory. The impact of the speed difference between them on system performance. Cache capacity is small but fast, memory speed is low but capacity is large. By optimizing the scheduling algorithm, the performance of the system will be greatly improved.
What is memory? What are the essential differences between internal memory and external memory?
Aug 25, 2022 pm 04:02 PM
Memory is a memory device used to store programs and data, as well as intermediate results and final results of operations. The difference between internal memory and external memory: 1. The memory is a temporary storage area when executing the program, and all data will be lost after a power failure; the external memory is used to store original data and operation results, and the data will not be lost after a power failure; 2. Memory is characterized by fast access speed, but small capacity and expensive price, while external memory is characterized by large capacity, low price, but slow access speed; 3. Memory is used to store programs and data that the computer needs to use immediately. Memory is used to store programs and data that are not in use temporarily.