Digital Electronics

51) full name of sis is______

Answer Is: (A) small set integration

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52) the number of digits in octal system is__________

Answer Is: (A) 8

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53) the output of a half adder is______

Answer Is: (B) sum and carry

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54) a full-adder can be made out of_________

Answer Is: (B) two half address and aaor gate

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55) full name of pld is_______

Answer Is: (C) progrmming logic devices

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56) which device has one input and many outputs?

Answer Is: (B) demultiplexer

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57) binary subraction:10111-010101=?

Answer Is: (C) 11010

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58) 7bf16-________2

Answer Is: (B) 0111 1011 1111

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59) a carry look ahead adder is frequently used for additon because

Answer Is: (B) ir is faster

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60) mos families includes_______

Answer Is: (C) pmos nmos and cmos

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61) convert(170)10is equivalent to hexadecimal number_____

Answer Is: (C) (aa)16

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62) in the expression a+bc the total number of minterms will be_____

Answer Is: (D) 5

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63) simplify y=ab'+(a'+(b)c.

Answer Is: (A) ab'+c

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64) there are _____cells ina a4-veriable k-map.

Answer Is: (B) 16

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65) digital circuit can be made by the repeated use of _______

Answer Is: (C) nand gates

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66) decimal 43in hexadecimal and bcd number system is respectively ____and____

Answer Is: (B) 2band 01000011

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67) decimal number 10 is equal to binary number______

Answer Is: (B) 1010

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68) 1's complement of 11100110is________

Answer Is: (A) "00011001"

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69) multiplication of the binary number:0100101011=?

Answer Is: (C) "010100110"

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70) full name of lcc is___

Answer Is: (B) leadless chip carrier

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