A computer employs RAM chips of 512 x 16 and ROM chips of 1024 x 8. The computer system needs 4K bytes of RAM and 2K bytes of ROM along with interface unit of 128 registers each. A memory mapped I/O configuration is used. The two higher order bits are assigned for RAM, ROM and interface as 00, 01 and 10 respectively. a) How many RAM and ROM chips are needed b) Design a memory-address map for the above system
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- Most Intel CPUs use the __________, in which each memory address is represented by two integers.A computer employs RAM chips of 512 x 16 and ROM chips of 1024 x 8. The computer system needs 4K bytes of RAM and 2K bytes of ROM along with interface unit of 128 registers each. A memory mapped I/0 configuration is used. The two higher order bits are assigned for RAM, ROM and interface as 00, 01 and 10 respectively. a) How many RAM and ROM chips are neededA computer employs RAM chips of 512 x 16 and ROM chips of 1024 x 8. The computer system needs 4K bytes of RAM and 2K bytes of ROM along with interface unit of 128 registers each. A memory mapped 1/O configuration is used. The two higher order bits are assigned for RAM, ROM and interface as 00, 01 and 10 respectively. a) How many RAM and ROM chips are needed b) Design a memory-address map for the above system
- 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: c) How large must the address field be?Design a memory map for a system with 64 K of memory space, a 16-bit address bus, and a 8-bit data bus. The system needs to meet the following design requirements: The system needs 20 K of RAM, organized in a contiguous block starting at address 0x1000 . The system needs RAM filling the memory range from 0xA000 to 0xCFFF (inclusive) Your design must be subject to the following constraints in terms of access to memory chips: You can use a maximum of two (2) 8 K×8 RAM chips. You can use a maximum of two (2) 4 K×8 RAM chips. You can use a maximum of two (2) 8 K×8 ROM chips. You can use a maximum of two (2) 4 K×4 ROM chips.A computer employs RAM chips of 512 × 8 and ROM chips of 128 × 8. The computer system need 1024 * 16 of RAM, 256 x 16 of ROM and two interface units with 256 registers each. a) Compute the number of chips required to realize the required memory b) Compute total number of decoders needed for the above system? c) Design a memory-address map for the above system d) Show the chip layout for the above design
- A computer employs RAM chips of 128 x 8 and ROM chips of 512 x 8. The computer system needs 1K bytes of RAM, 2K bytes of ROM, and two interface units, each with two registers. A memory-mapped 1/0 configuration is used. The two highest-order bits of the 16-bit address bus are assigned 11 for RAM, 10 for ROM, and 01 for interface registers.a. How many RAM and ROM chips are needed?b. Draw a memory-address map for the system.c. Give the address range in hexadecimal for RAM, ROM, and interfaceA computer employs RAM chips of 512 x 8 and ROM chips of 256 x 8. The computer system needs1K bytes of RAM, 2K bytes of ROM, and eight interface units, each with 2 registers. A memory-mapped1/0 configuration is used. The two highest-order bits of the 16 bit address bus are assigned 10 for RAM,11 for ROM, and 00 for interface registers.a. How many RAM and ROM chips are needed?b. Draw a memory-address map for the system.c. Give the address range in hexadecimal for RAM, ROM, and interface.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 selecting
- A computer employs RAM chips of 128 x 8 and ROM chips of 512 x 8. The computer system needs 256 bytes of RAM, 1024 x 16 of ROM, and two interface units with 256 registers each. A memory mapped I/O configuration is used. The two higher -order bits of the address bus are assigned 00 for RAM, 01 for ROM, and 10 for interface registers. a. Compute total number of decoders are needed for the above system? b. Design a memory-address map for the above system c. Show the chip layout for the above design5. Consider two microprocessors having 8- and 16-bit-wide external data buses, respectively. The two processors are identical otherwise and their bus cycles take just as long. (a) Suppose all instructions and operands are one byte long, by what factor do the maximum data transfer rates differ?Suppose a machine has word length of 32 bits, and the CPU has 32 registers of 32 bits. Design an instruction system with 64 operations. (1) If it uses register addressing mode and the direct addressing mode in the instruction, what is the maximum main memory space that can be addressed? (2) What are the differences between the based index addressing and index addressing? (3) Introduce at least three of other addressing methods that can be used.