Consider a CPU which operates with 20Mbyte/s operating speed. The CPU is operating on program control mode of I/O and it has to transfer data of 20 bytes from it. The data is transferred byte wise. Size of the Status register is 2 bytes. What is the total time needed to perform the data transfer?
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Consider a CPU which operates with 20Mbyte/s operating speed. The CPU is operating on program control mode of I/O and it has to transfer data of 20 bytes from it. The data is transferred byte wise. Size of the Status register is 2 bytes. What is the total time needed to perform the data transfer?
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- Most Intel CPUs use the __________, in which each memory address is represented by two integers.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?Suppose 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?
- Consider a CPU that operates with a data transfer rate of 30 Mbytes/s. The data is transferred byte-wise and the CPU has to transfer 30bytes of data, and the size of the Status register is 4 bytes. What is the total time needed to perform the data transfer?Computer Science Assume the options of the access time and cycle time of a memory system to retrieve a word (4 bytes) are 10 and 12 nanoseconds. a. What would be the transfer rate of the memory system when considering the memory access time (in terms of bytes per second)? b. If memory cycle time were used, how much time per byte would be wasted?Consider a word-addressable computer with 32 bits per word. The instruction set consists of 30 different All instructions have an operation code field, a mode field to specify one of 7 possible addressing modes, a register address field to specify one of 60 available registers, and a memory address field. Each instruction is stored in one word of memory. What is the maximum allowable size for memory? Use KB, MB, or GB as a unit.
- For a microprocessor to operate, let assume that it requires 2MB of RAM and 7MB of ROM. What is the minimum number of address lines the microprocessor must support? Draw a memory map of the system, assuming that the addresses for the RAM are below the addresses for the ROM.The microinstructions stored in the control memory of a processor have a width of 26 bits. Each microinstruction is divided into three fields: a micro-operation field of 13 bits, a next address field (X), and a MUX select field (Y). There are 8 status bits in the inputs of the MUX.Calculate the number of bits in the X and Y fields. Also find the size of the control memory in number of words?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 1/O configuration is used. The two higher order bits are assigned for RAM, ROM and interface as 00, 01 and 10 respectively. How many RAM and ROM chips are needed
- 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 modern computer central processing unit chip (CPU) runs with a clock speed of 2.7 GHz. It can execute one operation in each of these clock cycles. a. How many seconds long is one clock cycle? b. Electrical signals travel at the speed of light. How far can an electrical signal travel in one clock cycle? c. Wires between the CPU's control unit and its cache memory (both on this chip), are about 2 cm long. How does this compare to how far an electrical signal can travel in one clock cycle?A computer with a 32-bit 3.5 gigahertz scalar non- pipelined CPU needs to invert the colors of a 150 KB bitmap image file located in the RAM. To do this, each bit of the image must be complemented (Os are converted to 1s and vice-versa). Assume every instruction undergoes the following stages and each stage uses one CPU clock cycle: • Fetch • Decode • Read from memory • Execute • Write to memory Instructions: For this assignment, you must calculate how much time the computer will need to invert the image with a single-core and a dual core CPU. Show and explain your calculations and assumptions in a short paper and answer the following questions: • Will there be any parallel slowdown? Why or why not? Length: 2-3 page explanatory paper