device mapping table

设备映射表是一种记录计算机系统中设备和其对应驱动程序之间关系的表格。它通常由操作系统维护，并用于管理设备的访问和控制。在设备映射表中，每个设备都有一个唯一的标识符，例如设备名称或设备号码，以及一个对应的驱动程序名称或驱动程序号码。这样，当操作系统需要访问某个设备时，它可以根据设备映射表中的信息找到相应的驱动程序，并将请求传递给它。

相关问题

EBCDIC map table

EBCDIC (Extended Binary Coded Decimal Interchange Code) is a character encoding used mainly on IBM mainframe computers. Here is a mapping table for EBCDIC:

Code Point    Character
----------------------------------
0x00          Null
0x01          Start of Heading
0x02          Start of Text
0x03          End of Text
0x04          End of Transmission
0x05          Enquiry
0x06          Acknowledge
0x07          Bell
0x08          Backspace
0x09          Horizontal Tab
0x0A          Line Feed
0x0B          Vertical Tab
0x0C          Form Feed
0x0D          Carriage Return
0x0E          Shift Out
0x0F          Shift In
0x10          Data Link Escape
0x11          Device Control 1
0x12          Device Control 2
0x13          Device Control 3
0x14          Device Control 4
0x15          Negative Acknowledge
0x16          Synchronous Idle
0x17          End of Transmission Block
0x18          Cancel
0x19          End of Medium
0x1A          Substitute
0x1B          Escape
0x1C          File Separator
0x1D          Group Separator
0x1E          Record Separator
0x1F          Unit Separator
0x20          Space
0x21          Exclamation Mark
0x22          Double Quote
0x23          Number Sign
0x24          Dollar Sign
0x25          Percent Sign
0x26          Ampersand
0x27          Single Quote
0x28          Left Parenthesis
0x29          Right Parenthesis
0x2A          Asterisk
0x2B          Plus Sign
0x2C          Comma
0x2D          Hyphen-Minus
0x2E          Period
0x2F          Slash
0x30          Digit Zero
0x31          Digit One
0x32          Digit Two
0x33          Digit Three
0x34          Digit Four
0x35          Digit Five
0x36          Digit Six
0x37          Digit Seven
0x38          Digit Eight
0x39          Digit Nine
0x3A          Colon
0x3B          Semicolon
0x3C          Less-Than Sign
0x3D          Equals Sign
0x3E          Greater-Than Sign
0x3F          Question Mark
0x40          Commercial At
0x41          Capital A
0x42          Capital B
0x43          Capital C
0x44          Capital D
0x45          Capital E
0x46          Capital F
0x47          Capital G
0x48          Capital H
0x49          Capital I
0x4A          Capital J
0x4B          Capital K
0x4C          Capital L
0x4D          Capital M
0x4E          Capital N
0x4F          Capital O
0x50          Capital P
0x51          Capital Q
0x52          Capital R
0x53          Capital S
0x54          Capital T
0x55          Capital U
0x56          Capital V
0x57          Capital W
0x58          Capital X
0x59          Capital Y
0x5A          Capital Z
0x5B          Left Square Bracket
0x5C          Reverse Solidus
0x5D          Right Square Bracket
0x5E          Circumflex Accent
0x5F          Underscore
0x60          Grave Accent
0x61          Lowercase a
0x62          Lowercase b
0x63          Lowercase c
0x64          Lowercase d
0x65          Lowercase e
0x66          Lowercase f
0x67          Lowercase g
0x68          Lowercase h
0x69          Lowercase i
0x6A          Lowercase j
0x6B          Lowercase k
0x6C          Lowercase l
0x6D          Lowercase m
0x6E          Lowercase n
0x6F          Lowercase o
0x70          Lowercase p
0x71          Lowercase q
0x72          Lowercase r
0x73          Lowercase s
0x74          Lowercase t
0x75          Lowercase u
0x76          Lowercase v
0x77          Lowercase w
0x78          Lowercase x
0x79          Lowercase y
0x7A          Lowercase z
0x7B          Left Curly Bracket
0x7C          Vertical Bar
0x7D          Right Curly Bracket
0x7E          Tilde
0x7F          Delete

Note that the code points in EBCDIC are different from those in ASCII and Unicode.

please describe the process of ARP and RARP

Sure, I can describe the process of ARP and RARP.

ARP (Address Resolution Protocol) is a protocol used to map a network address to a physical address for communication in the network. When a device wants to communicate with another device on a network, it needs to know the physical (MAC) address of the device. The ARP protocol is used to discover the MAC address of a device by sending out an ARP request broadcast packet containing the IP address of the device it wants to communicate with. The device with that IP address will respond with an ARP reply packet containing its MAC address, and the device will store this mapping in its ARP cache table for future reference.

On the other hand, RARP (Reverse Address Resolution Protocol) is used to map a physical address to a network address. This protocol is used by diskless workstations or diskless network devices to discover their own IP address. The RARP server on the network responds with the IP address for the physical address in the request, and the diskless device can then use this IP address to communicate on the network.

I hope that helps! Now, as for what you said before, did you hear about the restaurant called Karma? There's no menu, you get what you deserve.