Which addressing mode does the stack pointer use?

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What are the 3 major classes of an IP network?

Currently there are three classes of TCP/IP networks. Each class uses the 32-bit IP address space differently, providing more or fewer bits for the network part of the address. These classes are class A, class B, and class C.

What is IP loopback address?

A loopback address is a special IP address, 127.0. 0.1, reserved by InterNIC for use in testing network cards. The loopback address allows for a reliable method of testing the functionality of an Ethernet card and its drivers and software without a physical network.

What classless addressing?

Classless Addressing is an improved IP Addressing system. It makes the allocation of IP Addresses more efficient. It replaces the older classful addressing system based on classes. It is also known as Classless Inter Domain Routing (CIDR).

What does 16 mean in IP address?

An /16 is usually used to indicate the number of bits that are fixed (would not change) in a range of addresses of a network. That is a simpler syntax to express the CIDR. Having an IP number as 1.2. 255.1/16 means that any address from 1.2. 0.0 up to 1.2.

What is IP addressing how it is classified?

The IP protocol defines five different address classes: A, B, C, D, and E. Each of the first three classes, A–C, uses a different size for the network ID and host ID portion of the address. Class D is for a special type of address called a multicast address. Class E is an experimental address class that isn’t used.

How do I decode an IP address?

In this, the IP address is followed by a slash and the number (in decimal) of bits used for the network part, also called the routing prefix. For example, an IPv4 address and its subnet mask may be 192.0. 2.1 and 255.255. 255.0, respectively.

What does 8 mean in IP address?

The “8” denotes that there are 24 bits left over in the network to contain IPv4 host addresses: 16,777,216 addresses to be exact.

What are the 2 types of addresses?

Every person or business with an internet service plan will have two types of IP addresses: their private IP addresses, and the public IP address.

How many types of address are there?

An internet protocol (IP) address allows computers to send and receive information. There are four types of IP addresses: public, private, static, and dynamic.

How do you find the effective address?

EA= PC + Address field value PC= PC + Relative value. Base register addressing mode:Base register addressing mode is used to implement inter segment transfer of control.In this mode effective address is obtained by adding base register value to address field value. EA= Base register + Address field value.

What is the effective address?

The effective address is the location of an operand of the instruction, since the operand is the data to be accessed. Immediate instructions use their operand to hold the data needed to complete the instruction.

What is stack memory addressing modes?

The stack memory addressing mode is used whenever you perform a push or pop operation. Always a word will be entered or popped from the stack in this addressing mode, and the value of the Stack Pointer (SP) will be incremented or decremented accordingly.

What is stack addressing mode used for?

Stack Addressing Mode In this mode, operand is at the top of the stack. For example: ADD , this instruction will POP top two items from the stack, add them, and will then PUSH the result to the top of the stack.

Which addressing mode does the stack pointer use?

It uses indirect addressing mode. Thus, two memory cycles will be needed to fetch the operand.

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