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What facts go into determining the use of the addressing bits of an instruction?
Following facts determine the use of addressing bits of an instruction: Number of addressing modes: Sometimes an addressing mode can be indicated implicitly. In other cases, the addressing modes must be explicit, and one or more mode bits will be needed. Number of operands: Typical instructions on today's machines provide for two operands. Each operand address in the instruction might require its own mode indicator, or the use of a mode indicator could be limited to just one of the address fields. Register versus memory: The more that registers can be used for operand references, the fewer bits are needed. Number of register sets: One advantage of using multiple register sets is that, for a fixed number of registers, a functional split requires fewer bits to be used in the instruction. Address range: For addresses that reference memory, the range of addresses that can be referenced is related to the number of address bits. Because this imposes a severe limitation, direct addressing is rarely used. With displacement addressing, the range is opened up to the length of the address register. Address granularity: In a system with 16- or 32-bit words, an address can reference a word or a byte at the designer's choice. Byte addressing is convenient for character manipulation but requires, for a fixed-size memory, more address bits.
How do you calculate the virtual address space for a given system?
To calculate the virtual address space for a given system, you need to determine the number of bits used for addressing in the system's memory architecture. The virtual address space is typically 2 raised to the power of the number of bits used for addressing, which gives you the total number of unique memory addresses that can be accessed by the system.
Within a classful addressing subnet mask the bits indicate that corresponding bits in an IPv4 address contain network information?
the 1 bits
What addressing scheme was introduced in 1995 to resolve depletion of networking addresses by allowing for 128 bits to be used in addressing?
IPv6
Difference between classful and classless ip addresses?
The difference between classful IP addressing and classless IP addressing is in selecting the number of bits used for the network ID portion of an IP address. In classful IP addressing, the network ID portion can take only the predefined number of bits 8, 16, or 24. In classless addressing, any number of bits can be assigned to the network ID.
What layer combines bits into bytes and bytes into frames and uses mac addressing?
Data Link
What is the ATA standard that changes the number of bits used to address data on a hard drive?
ATA/ATAPI-6 standard (aka ATA/100) allows for 48-bit addressing over the original 28-bits. This allowed for the breaking of the 137GB barrier limitation.
What is the number of bits in a standard class B address?
16 bits example class b: nnn.nnn.0.0 - nnn.nnn.255.255 subnetmask: 255.255.0.0 example class c (8 bits): nnn.nnn.nnn.0 - nnn.nnn.nnn.255 subnetmask: 255.255.255.0 exaple class a (24 bits): nnn.0.0.0 - nnn.255.255.255 subnetmask: 255.0.0.0
Convert Bits per second to bytes per second?
To convert bits per second to bytes per second, you would divide the bits per second by 8, since there are 8 bits in a byte. For example, if you have 1000 bits per second, the equivalent would be 125 bytes per second (1000 bits / 8 = 125 bytes).
What are the number of bits in a byte?
1 byte = 8 bits.
How many network and host bits are available in ipv4?
In IPv4, there are a total of 32 bits in an IP address. The number of network and host bits varies depending on the subnet mask used. Typically, the first part of the bits represents the network portion, while the remaining bits represent the host portion. For example, in a common subnet mask of 255.255.255.0 (or /24), there are 24 bits for the network and 8 bits for hosts.
What is an I.P count?
IP Count is a tool that returns a list of prefixes, with their ranges and sizes.The input can be one of the following:IP/bits (for example, 193.0/16)IP - IP (for example, 195.6.0.0 - 195.8.255.255)IP + number (for example 81.0.0.0 + 1023)number (for example, 128)
