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executes program instructions and coordinates the activities that take place within the computer system
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a small piece of silicon with a complex electrical circuit called an integrated circuit
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the processor consists of three main parts: Lernen beginnen
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control unit, arithmetic logic unit (ALU), registers
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control unit (what it is) Lernen beginnen
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control unit (what it does) Lernen beginnen
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examines the instructions in the user's program, interprets each instruction and causes the circuits and the rest of the components - monitor, disk drives - to execute the functions specified
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jednostka arytmetyczno-logiczna; ALU (część komputera wykonująca wszystkie arytmetyczne obliczenia oraz wszystkie operacje porównywania)
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performs mathematical calculations (+,-, etc.) and logical operations (AND, OR, NOT)
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high speed units, rejestry zewnętrzne
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high speed units of memory used to store and control data.
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system clock (what it is) Lernen beginnen
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system clock (what it does) Lernen beginnen
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sends out signals fixed intervals to measure and synchronize the flow of data
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częstotliwość zegara (prędkość z jaką mikroprocesor wykonuje instrukcje i synchronizuje wszystkie elementy komputera)
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RAM (random access memory) Lernen beginnen
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is volatile (nietrwała) - that is, its information is lost when the computer is turned off
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is non-volatile (nieulotna), containing instructions and routines for the basic operations of the CPU
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BIOS (basic input/output system) Lernen beginnen
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podstawowy system wejścia-wyjścia; system BIOS
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uses ROM to control communication with peripherals
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RAM capacity (możliwości) Lernen beginnen
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can be expanded by adding extra chips, usually contained in small circuit boards called DIMMs
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DIMMs (dual in-line memory modules) Lernen beginnen
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moduł pamięci DIMM (rodzaj pamięci RAM, w którym układy pamięci są rozmieszczone po obydwu stronach cienkiej karty umieszczanej w specjalnym gnieździe)
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the main circuit board inside your system (płyta główna)
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the processor, the memory chips, expansions slots, and controllers for peripherals, connected by buses
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electrical channels which allow devices inside the computer to communicate with each other (magistrale, szyny)
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the size of a bus; determines how much data can be transmitted
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gniazdo rozszerzeń, port rozszerzeń, slot rozszerzeń
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allow users to install expansion cards, adding features like sound, memory and network capabilities
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karta rozszerzająca; karta dodatkowa (karta powiększająca możliwości istniejącego sprzętu)
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code made of just two number - 0 and 1; computers do all calculations using this code
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eight-digit code that typically represent characters (letter, number and symbol)
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ASCII (American Standard Code for Information Interchange) Lernen beginnen
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computers use this code for the binary representation of characters
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Greeting and offering help: Lernen beginnen
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Good morning. Do you need ANY help?
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Giving technical specifications (specs): Lernen beginnen
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The MacBook has a processor RUNNING AT 2.0 gigahertz. The iMac HAS two gigabytes of RAM. They features a camera BUILT INTO THE DISPLAY.
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Both computers are very fast and reliable.
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The MacBook IS MORE PRACTICAL if you travel a lot. PDAs are cheaper than laptops but laptops are more powerful.
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Explaining what you are looking for: Lernen beginnen
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We're looking for a personal computer. Have you got any fairly basic ones?
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Asking for technical specs: Lernen beginnen
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WHAT'S the storage capacity of the hard drive? Do they have a DVD drive?
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How MUCH DO they COST? How MUCH IS it?
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