CPU Study guides, Class notes & Summaries

1. Explain the functions of the CU and ALU in the CPU of a computer. Answer: CU-Control Unit, charge of all the operations being carried out, responsible to direct the system to execute instructions and work as a communicator between the memory and the arithmetic logical unit. ALU - Arithmetic and Logic Unit, responsible for performing all logical and arithmetic operations. Some of the arithmetic operations are as follows: addition, subtraction, multiplication and division. 2. Briefly exp...

1) Which one of the following sentences does NOT explain the distinction between financial accounting and management accounting? A. Financial accounting is primarily for external users and management accounting is primarily for internal users. B. Financial accounting is normally produced annually and management accounting is normally produced monthly. C. Financial accounting is more accurate than management accounting. D. Financial accounting is audited by management whereas management ac...

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1.1.5 - CPU Performance (Exam Practice) OCR J276 Syllabus, Practice Exam Questions with mark value and answers

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What is meant by 2.2 ghz? GHz means the processor can complete 2.2 billion, (2,200,000,000), cycles per second. It is the speed of the clock chip in the processor What is meant by dual-core processor? A dual-core processor has two separate processing units that work together to improve the performance of the CPU. Describe how cache memory is used by the CPU? 1)Cache memory is very fast memory that can work at similar speeds to the CPU. 2) It is used to store frequently-access...