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What is the size of the accumulator register of 64 bit processor?
Wiki User
∙ 8y ago
64 bit. the size of accumulator will always equal to the size of processor. e.g 32 bit processor has 32 bit accumulator.
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Actually on some computers the accumulator(s) are larger than the processor word size. Some examples are:
- IBM 704, IBM 709, IBM 7090, IBM 7094 - these are 36 bit processors with a 38 bit accumulator
- IBM 7030 - this is a 64 bit processor with a 128 bit accumulator
Some computers do not have accumulator(s), these fall into three main groups:
- Variable word length machines that store all data in main memory
- General purpose register machines
- Stack machines that either have a fixed sized internal stack or a variable sized stack stored in main memory
Wiki User
∙ 8y ago
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The size of the accumulator is the same,means 64bit.
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Generally, the bit size of a processor is indicated by the size of the accumulator, which is, most times but not always, the same as the internal data bus size. The 8086/8088 processor, for instance, is a 16 bit processor. The 8085 is an 8 bit processor. The 80386 is a 32 bit processor. The Q6600 Core2 Quad is a 64 bit processor. (These are just examples.)
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Accumulator is a general purpose register.it is a 8 bit register in 8085. it stores the temporary results of a current operation doing by 8085.it is also called 'A' register
Why 8085 is called 8-bit processor and why 8086 is called 16-bit?
The 8086/8088 processor is called a 16 bit processor because its basic architecture is 16 bits wide. Its registers and accumulator are 16 bits wide, and the primary data it manipulates without extra work is 16 bits wide.
What is an accumulator in microprocessor?
the accumulator is an 8-bit register then is part of the arithmetic/logic unit(ALU). this register is used to store to store 8-bit data and to perform arithmetic & logical operation. the result of an operation is stored in the accumulator. the accumulator is also identified as register A.
How many bits in 8085 microprocessor?
The 8085 is an 8-bit microprocessor. Even though there are some 16-bit registers (BC, DE, HL, SP, PC), with some 16-bit operations that can be performed on them, and a 16-bit address bus, the accumulator (A), the arithmetic logic unit (ALU), and the data bus are 8-bits in size, making the 8085 an 8-bit computer.
How many bits are contained in the A register of a 8085 CPU?
8085 is a 8 bit microprocessor and so A register which is also known as accumulator is also 8 bit.
What does it mean for a computer to have a 16-bit processor?
When you say that a computer has a 16 bit processor, you mean that the fundamental data size of the accumulator and registers is 16 bits. Examples of 16 bit processors include the DEC PDP-11, the Intel 8086/8088, and the MODCOMP Classic, circa 1980.
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The memory unit's size that depends on the processor is the bit.
What factor decides the bit size of a processor?
bit size is a wordlength of one memory location
What is the function of accumulator 8085?
It is an 8 bit register which is accessable to programmer and is main fuction is to perfom all arithmetic and logical function.
What address is assigned to register a?
A means accumulator , it is used to store 8 bit data not address because address is of 16 bits .
