If a CPU issues a 32-bit address on the address bus, and the computer uses the high-order 12 bits to access the memory map, with the remaining address lines going directly to memory: a) Exactly how many pages of memory does this computer have? b) What is the size of each page?
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If a CPU issues a 32-bit address on the address bus, and the computer uses the high-order 12 bits to access the memory map, with the remaining address lines going directly to memory:
a) Exactly how many pages of memory does this computer have?
b) What is the size of each page?
Step by step
Solved in 4 steps
- Most Intel CPUs use the __________, in which each memory address is represented by two integers.In the ________, memory addresses consist of a single integer.The memory unit of a computer has 256K words of 32 bits each. The computer has an instruction format with four fields: an opcode field; a mode field to specify one of seven addressing modes; a register address field to specify one of 60 registers; and a memory address field. Assume an instruction is 32 bits long. Answer the following:Q.) How large must the address field be?
- Assume that we have a computer system with a main memory consists of 4 RAM chips [RAM 0, RAM 1, RAM 2, RAM 3] in which each chip is in one row. Moreover, each RAM chip is word-addressable with 64 bits per word. The size of address bus is 30 bits. What is the size of data bus? How many bits are required to select RAM chips? How many bits are required to select: memory locations? What is the total size of main memory? If the memory uses the following ordering for the address bus: Data location selecting Which interleaving method this memory uses? If we have (000000000000000111010001110101)2 on the address bus, which RAM chip will be selected? RAM selectingSuppose the RAM for a certain computer has 4M words, where each word is 16 bits long. What is the capacity of this memory expressed in bytes? If this RAM is byte addressable, how many bits must an address contain? If this RAM is word addressable, how many bits must an address contain?If a microprocessor has a 24 address lines and 16 data lines, then the memory address space of this microprocessor in Mbytes is:
- The memory unit of a computer has 2M words of 32 bits each. The computer has an instruction format with 4 fields: an opcode field; a mode field to specify 1 of 4 addressing modes; a register address field to specify one of 9 registers; and a memory address field. Assume an instruction is 32 bits long. Answer the following: d) How large is the opcode field?A digital computer has a memory unit with 24 bits per word. The instruction set consists of 150 different operations. All instructions have an operation code part (opcode) and an address part (allowing for only one address). Each instruction is stored in one word of memory.Q.) What is the maximum allowable size for memory?in 8 bit computer system paging is used. how many different virtual memory addresses total? if there are 64 memory address in frame, and page number needs p bits, what is value of p?
- Suppose the RAM for a certain computer has 256M words, where each word is 16 bits long. a. What is the capacity of this memory expressed in bytes? b. If this RAM is byte addressable, how many bits must an address contain? c. If this RAM is word addressable, how many bits must an address contain?Consider a memory of 64 locations and each location can store 4 bits of information a. What is the size of address bus in bits? b. What is the size of the data bus in bits? c. What is the size of memory in bytes?A digital computer has a memory unit with 24 bits per word. The instruction set consists of 150 different operations. All instructions have an operation code part (opcode) and an address part (allowing for only one address). Each instruction is stored in one word of memory.Q.) How many bits are left for the address part of the instruction?