EE106 HW4 - EE106L Redekopp Homework 4 1 a Register cells...

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EE106L: Redekopp Homework 4 1. a. Register – cells inside the CPU that serves as a temporary storage holder of information; classified as either general-purpose registers or special-purpose registers b. Main Memory – also known as immediate access storage (IAS), temporary memory (directly connected to CPU thru bus) that holds information for programs/operations being run; usually built from RAM chips c. Mass Storage – memory not directly accessible to CPU but by I/O channels; stores data and is non-volatile (does not erase when powered down); hard-drive is the most common d. Cache Memory – portion (several hundred KB usually) of high-speed memory within the CPU itself; the CPU keeps a copy of main memory that is constantly used. *speed: 1. Cache Memory, 2. Register, 3. Main Memory, 4. Mass Storage 2. a. If the machine language is designed with an op-code field of four bits, there can be 2^4 or 16 different instruction types. If it is increased to 8 bits; there can be 2^8 or 256 different instruction types. 3. a. Register 0 will have the hex value C0; Register 1 will have the hex value 00 (assuming there was nothing in it before the program counter; Register 2 will have the hex value 12 b. Address $30 is going to have whatever value was in register 3 (string 3230 means store value
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