Digital Electronics – ATT Test 8 – Logic Gates, IC Classification, Flip-Flops, and Timer Circuits (Q&A Format

Digital Electronics – ATT Test 8 – Logic Gates, IC
Classification, Flip-Flops, and Timer Circuits (Q&A
Format

How many gates does small scale integration have? (SSI) less than 12 gates




How many gates does medium scale integration have? (MSI) 12-99 gates




How many gates does large scale integration have? (LSI) 100-9,999 gates




How many gates does very large scale integration have? (VLSI) 10,000-99,999




How many gates does ultra large scale integration have? (ULSI) 100,000+ gates




What are the 3 basic functions of a buffer? Protection, driver, switching




How many volts indicates a low? 0-.8




How many volts indicates a high? 2 or more




What is indicated by voltage between .8-2? a float

, How are ICs classified? (SSI, MSI, LSI....) By the number of gates




What is not normally used as a wire deposit on the wafer? Iron




When does an AND gate produce a high? When both inputs are high




What does a NAND gate produce when both inputs are high? A low output




What does a NOR gate produce when all inputs are low? A high output




What does a NOR gate produce when there is a high input? A low output




When does an XOR gate produce a high? When an odd number of inputs are high




When does an XOR gate produce a low? When all inputs are low or an even number are
high




What is the output of an NXOR when the inputs are opposite? A low




What is the output of an NXOR when the inputs are the same? A high