Test 2 Study Guide - 1. The control unit is the component...

Test 2 Study Guide
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1. The control unit is the component of the processor that directs and coordinates most of the operations in the computer. 2. The ALU is the component of the processor that performs arithmetic, comparison, and other operations. 3. In the machine cycle steps illustrated in the accompanying figure, fetching is the process of obtaining a program instruction or data item from memory. 4. In the machine cycle steps illustrated in the accompanying figure, the term decoding refers to the process of translating instructions into signals the computer can execute. 5. In the machine cycle steps illustrated in the accompanying figure, executing is the process of carrying out commands. 6. Together, the four basic operations or a processor (fetching, decoding, executing, and storing) comprise a(n) baseline cycle. 7. With multi-core , the processor begins fetching a second instruction before it completes the machine cycle for the first instruction. 8. The pace of the system clock, called the clock speed, is measured by the number of ticks per second. 9. A processor contains small high-speed storage locations, called registers , that temporarily hold data and instructions. 10. The faster the clock speed, the more instructions the processor can execute per second. 11. Liquid cooling technology uses a continuous flow of fluid(s), such as water and glycol, in a process that transfers the heated fluid away from the processor. 12. Memory consists of electronic components that store instructions waiting to be executed by the processor, data needed by those instructions, and the results of processed data (information). 13. Synchronous DRAM (SDRAM) chips are synchronized to the system clock . 14. Double Data Rate SDRAM (DDR SDRAM) chips are even faster than SDRAM chips because they transfer data twice for each clock cycle . 15. Rambus DRAM (RDRAM) chips are another type of DRAM chips that are much faster than SDRAM chips
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