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How many words are there in an address space specified by 24 bits and the corresponding memory space by 16 bits?
address space=24bits => (2 Power 24)=16M words
Address bus width?
Varies from machine to machine:many early machines had address busses only 12 to 18 bits wideearly microprocessors has address busses 10 to 14 bits wide16 bit address busses were common on microprocessors in the early 1980sthe 8086 had a 20 bit address bus and the 68000 a 24 bit address busmost modern computers have 32 bit address busses with high-end ones having as many as 64 bit address busses
Size of data bus in 8086?
It is my understanding that the 80286 has a 16-bit data bus. This was a doubling of the original 8086/8088 processors.
How many bits comprise the network portion of a class c address?
Thirty bits make up the network portion of a class C address. Three bits are borrowed for the subnet mask. There is also a class A and a class B that are comprised of bits.
How many octets are in a Class C IP address?
24 bits (8 bits per octet, so 3) are used for the network portion of a class C IP address
Consider a hypothetical 32-bit microprocessor having 32-bit instructions composed of two fields the first byte contains the opcode and the remainder the immediate operand or an operand address What?
• What is the maximum directly addressable memory capacity (in bytes)? 2(32-8) = 16,777,216 bytes = 16 MB • Discuss the impact on the system speed if the microprocessor data bus has • a 32-bit local address bus and a 16-bit local data bus. Instruction and data transfers would take three bus cycles each - one for the address and two for the data. • a 16-bit local address bus and a 16-bit local data bus. Instruction and data transfers would take four bus cycles each - two for the address and two for the data. • How many bits are needed for the program counter and the instruction register? 24 bits for the PC (24-bit addresses), 32 bits for the IR (32-bit addresses)
What is the first 24 bits in a mac address called?
OUI
How many bits are reserved for OUI in mac address?
There are 24 bits, or six hex characters, for the preamble of the MAC address (i.e., 00:11:22 in the MAC address 00:11:22:33:44:55 or 0011.2233.4455).
How do you know how many bits represent the network portion and the host portion?
When we express an IPv4 network address, we add a prefix length to the network address. The prefix length is the number of bits in the address that gives us the network portion. For example, in 172.16.4.0 /24, the /24 is the prefix length - it tells us that the first 24 bits are the network address. This leaves the remaining 8 bits, the last octet, as the host portion.
Which class ip address uses 8 bits for the network id and 24 bits for the host id?
class A
What is the offset for a Class C IP address?
The offset for a Class C IP address is 24 bits.
Why there are 48 bits in Mac?
MAC address is the Layer 2 based unique address assigned (burned) to Network Interface Card. Out of 48 bits First 24 bits are assigned to Manufacturers (Of NIC Cards) & other 24 bits are assigned to each NIC by Manufacturer. 48 bits in MAC address provides unexhaustive possibility in near time for manufacturing NICs with unique identity number.
