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1) NOT gate performs the basic logical function called a. conduction b. diversion c. inversion d. conversion
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2) If we apply a NOT gate at the output of OR gate then the result is a. NOR gate b. NAND gate c. NOT gate d. OR gate
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3) A simply OR operation followed by a NOT operation is called a. AND operation b. NAND operation c. NOR operation d. OR operation
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4) The electrons repel other electrons due to force a. F = qE b. F = ma c. P = mv d. S = vt
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5) The electron gun consists of an electron source which is an electrically heated cathode that ejects a. electrons b. neutrons c. protons d. phontons
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6) The values of the output of the OR gate are always following the truth table of a. AND operation b. NAND operation c. OR operation d. NOT operation
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7) The branch of electronics consisting of circuits which process analog quantities is called a. digital electronics b. analogue statistics c. analogue electronics d. analogue magnetics
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8) The quantities whose values vary with time are a. digital b. scalar c. analogue d. vector
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9) In OR operation if one of the inputs is '1' then output is a. 0 b. 2 c. 4 d. 1
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10) A boolean variable can have only two values which are a. 0, 1 b. 1, 2 c. 1, 10 d. 0, 10
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11) The degree of deflection of electrons is directly proportional to a. current b. voltage c. strength of electric field d. resistance
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12) At room temperature, the electron cannot escape metal surface due to a. attractive forces of nucleus b. repulsive forces of electrons c. repulsive forces of nucleus d. pulling force of protons
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13) Electronic systems used at present consist of a. both analogue and digital circuits b. digital circuits c. no circuits d. analogue circuits
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14) The circuit which implements the AND operation is known as a. AND gate b. OR gate c. NAND gate d. NOT gate
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15) In C.R.O, the grid is connected to the a. positive potential b. negative potential c. Alternating current (AC) source d. Direct current (DC) source
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16) Across 2 parallel metal plates placed horizontally separated by some distance, we can set up the electric field by applying a a. magnetic difference b. potential difference c. electronic difference d. emission rays
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17) The electrode to control the flow of electrons in the beam of an electron gun is called a. pitch b. grid c. plate d. cable
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18) Digital circuits perform the binary arithmetic operations known as a. variety operations b. logical operations c. binary operations d. fundamental operations
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19) A bit represents data using a. 0, 1 b. 1, 2 c. 1, 10 d. 0, 10
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20) A byte is equal to a. 10 bits b. 15 bits c. 12 bits d. 8 bits
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