computing(mr.bell) keywords 3.0 / 5 based on 1 rating ? ComputingASAQA Created by: HarishCreated on: 14-04-13 20:30 boolean variables true or false 1 of 30 truth table a table that gives possible outcomes when entered combinations of outputs 2 of 30 OR the output is true if one of the input is true 3 of 30 AND the output is true if both of the input is true 4 of 30 NOT the output is inverse of input 5 of 30 logic gate an electronic circuit that performs a boolean function 6 of 30 ex-OR the output is true if one of the input is true not if both of inputs are true 7 of 30 NAND the output is true if any of the input is true 8 of 30 NOR the output is true only when all inputs are false 9 of 30 Hardware the platform on which the software is exicuted 10 of 30 mainmemory memory that is directly addressable by the processor 11 of 30 memory location a separately addressable area of main memory 12 of 30 RAM random acess memory,volatile,same access time for reading and writing operaations 13 of 30 ROM read only memory, non-volatile, can only read after it is set up 14 of 30 EEPROM Electronically erasable programmable read only memory, writing is 100 time slower than reading 15 of 30 BUS a set of wires that connect individual components of a computer. 16 of 30 system bus/external bus the main highway that connects the processor, I/O main memory. consist of data bus address bus and control bus 17 of 30 I/O input/output 18 of 30 peripharals mouse, keyboard etc. 19 of 30 I/O devices a hardware unit that sends and receives data through I/O controler. 20 of 30 I/O controler. an electronic circuit that connects the I/O devices with the system bus 21 of 30 secondary storage permanent storage memory that is not directly connected to the processor 22 of 30 main memory adress a unique code corresponding to a location of memory 23 of 30 stored program consept a program must be resident in main memory to be exicuted 24 of 30 register a very fast memory location inside the processor or I/O controller 25 of 30 general purpose register a register not assigned to a specific role by the processor designer 26 of 30 dedicated register a register which is assigned to a specific role by the processor designer 27 of 30 clock speed the speed in Mh or Gh which a processor executes a set of instructions. 28 of 30 word length the number of digits in a binary word 29 of 30 bus width the number of signal wires or lines allocated to the bus 30 of 30
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