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?
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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?
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- Why is binary data representation and signaling the preferred method of computer hardware implementation?Suppose the RAM for a certain computer has 256M words, where each word is 16 bits long. If this RAM is byte addressable, how many bits must an address contain?Suppose the RAM for a certain computer has 256M words, where each word is 16 bits long.If this RAM is word addressable, how many bits must an address contain?
- In a microcomputer, the addresses of memory locations are binary numbers that identify each memory circuit where a byte is stored. The number of bits that make up an address depends on how many memory locations there are. Since the number of bits can be very large, the addresses are often specified in hex instead of binary. If a microcomputer uses a 24-bit address, how many different memory locations are there? What is the largest number that can be How many hex digits are needed to represent the address of a memory location? What is the hex address of the 172th memory location? (Note: The first address is always ) The computer program is stored in the lowest 3 kbyte block of memory. Give the start and end address of this What is the BCD code of the hex address of the 172th memory location?Consider a memory implemented for 8086 microprocessor Draw the memory block diagram. Determine the values for A0 , /BHE ,address lines(A1..A19) and data lines(D0.. D15) in order to access: A byte at odd address [01FF3H] A byte at even address [01FFCH] A word at even address [01FFEH] A word at odd address [01ABFH]A microprocessor has a 32-bit address line. The size of the memory contents of each address is 8 bits. The memory space is defined as the collection of memory position the processor can address. What is the address range (lowest to highest, in hexadecimal) of the memory space for this microprocessor? What is the size (in bytes, KB, or MB) of the memory space? 1 KB = 21010 bytes, 1MB = 22020 bytes, 1GB = 23030 bytes A memory device is connected to the microprocessor. Base o the size of the memory, the microprocessor has assigned the addresses 0xA4000000 to 0xA07FFFFF to this memory device. What is the size (in bytes, KB, or MB) of this memory device? What is the minimum number of bits required to represent the addresses only for this memory device?
- Addressing Memory Suppose that there are 226 bytes in memory. In binary the lowest address is 00...00, and the highest address is 11...11. a. What is the lowest address (in decimal) if memory is byte addressable? b. What is the highest address (in decimal) if memory is byte addressable? c. Suppose that a word is 16-bits long. What is the lowest address (in decimal) if memory is word addressable? d. Suppose that a word is 16-bits long. What is the highest address (in decimal) if memory is word addressable? e. Suppose that a word is 32-bits long. What is the lowest address (in decimal) if memory is word addressable? f. Suppose that a word is 32-bits long. What is the highest address (in decimal) if memory is word addressable?Suppose a computer using direct mapped cache has 2^32 bytes of byte-addressable main memory and a cache size of 512 bytes, and each cache block contains 64 bytes. a. How many blocks of main memory are there? b. What is the format of a memory address as seen by cache, i.e., what are the sizes of the tag, block, and offset fields?Suppose r0 = ox300010A0, r2 = 0x00000011, and the memory layout is as follows Address: Data: 0x300010A7 0x72 0x300010A6 0XA5 0x300010A5 0x9F 0x300010A4 0x00 0x300010A3 0x50 0x300010A2 0x2B 0x300010A1 0XA5 0x300010A0 0x01 -What is the Value of r0 and r1 after executing LDR r1, [r0, #2] -What are the values of r0 and r1 after executing the following code? Illustrate your process in a memory map. LDR r1, [r0], #3 ADD r1, r1, r2 STR r1, [r0, r#4]
- Suppose r0 = ox300010A0, r2 = 0x00000011, and the memory layout is as follows Address: Data: 0x300010A7 0x72 0x300010A6 0XA5 0x300010A5 0x9F 0x300010A4 0x00 0x300010A3 0x50 0x300010A2 0x2B 0x300010A1 0XA5 0x300010A0 0x01 -What are the values of r0 and r1 after executing the following code? Illustrate your process in a memory map. LDR r1, [r0], #3 ADD r1, r1, r2 STR r1, [r0, r#4]Suppose a computer using direct-mapped cache has 2 bytes of byte-addressable main memory and a cache of 32 blocks, where each cache block contains 16 bytes.Q.) What is the format of a memory address as seen by the cache; that is, what are the sizes of the tag, block, and offset fields?Suppose a computer using direct-mapped cache has 232 bytes of byte-addressable main memory and a cache size of 512 bytes, and each cache block contains 64 bytes.Q.) What is the format of a memory address as seen by cache; that is, what are the sizes of the tag, block, and offset fields?