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The center’s literacy activities

A. In a paragraph or two, describe an ideal family involvement program that would promote an early childhood center’s language arts program. B. List the teacher’s duties and responsibilities in school-home communications. C. What is the meaning of the following statement? “Early childhood centers reinforce home literacy just as homes can reinforce the center’s literacy […]

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Random access memory

A. Semiconductor memory is small in size and faster than core memory. Also its power consumption is less than that of core memory. Both are random access memory (RAM). Still core memory is superior to semiconductor memory in only one aspect. What is that? B. The Intel 80286 microprocessor has 24-bit address. What is the

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The computer

A.The original IBM PC based on Intel 8088 supplied a clock signal of 4.77 MHz to the microprocessor. What is the period of the clock signal? B. A benchmarking program of 200,000,000 instructions was run on a computer operating at 100 MHz. It was found that the computer offered a performance of 100 MIPS. Determine

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Computer operating

A benchmarking program with following instruction mix was run on a computer operating with a clock signal of 100 ns: 30% arithmetic instructions, 50% load/store instructions and 20% branch instructions. The instruction cycle time for these types are 1, 0.6 and 0.8 ms, respectively. Calculate the CPI (cycles per instruction) for this computer.

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Physical memory

A microcomputer is based on the INTEL 8080 microprocessor which has 64 KB memory space. The microcomputer has 128 KB physical memory. Guess the technique that would be used by the microcomputer designer to double the memory supported by the microprocessor. Note that the 8080 does not support virtual memory.

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Microprocessors

Intel 8086 and Intel 8088 are instruction set compatible microprocessors. The 8086 has 16-bit data bus whereas the 8088 has 8-bit data bus. The 8086 has 6-byte instruction (pre-fetch) queue whereas the 8088 has only 4-byte instruction queue. Do these two processors look alike to the software? In other words, do they have common architecture

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