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 Job Vacancy: ITI Electrical – Fresher or 1-2 years experienced For service/ repair of tea-coffee vending machines, Field job Location: CG Road, Ahmedabad Company: www.officeteacoffee.com Candidate must have a 2-wheeler Call on: 079-2646 4767 or email CV at:  admin@officeteacoffee.com Salary – around 8000-10000

laptop input system along with a simple figure to illustrate them: Touchpad :  Description: A touch-sensitive pad located below the keyboard, used for cursor movement and gesture-based interactions. Users can control the cursor by moving their finger across the surface of the touchpad. Trackball :  Description: A pointing device consisting of a ball housed in a socket, which users can rotate with their fingers or palm to control the cursor. Trackballs offer an alternative to traditional mice and can be more ergonomic in some cases. TrackPoint (Pointing Stick) : Description: A small, joystick-like pointing device embedded in the keyboard of some laptops. Users can move the cursor by applying pressure to the TrackPoint with their finger. Docking Station : Description: A device that allows a laptop to connect to peripherals such as monitors, keyboards, and mice. Docking stations provide additional ports and expandability options, making it easier to use a laptop as a desktop re...

What is the fundamental unit of digital electronics? a) Transistor b) Flip-Flop c) Logic Gate d) Diode Which logic gate produces an output that is the inverse of the input? a) AND b) OR c) NOT d) XOR How many NAND gates are required to create a 2-input XOR gate? a) 1 b) 2 c) 3 d) 4 Which type of flip-flop has two inputs and one output? a) D Flip-Flop b) T Flip-Flop c) JK Flip-Flop d) SR Flip-Flop What is the binary equivalent of the decimal number 10? a) 1010 b) 1110 c) 1001 d) 1100 What is the hexadecimal equivalent of the binary number 1101? a) D b) B c) A d) C Which component is used to store a single binary digit? a) Transistor b) Flip-Flop c) Register d) Capacitor What is the basic building block of a digital circuit? a) AND gate b) OR gate c) Flip-Flop d) Transistor In which logic gate is the output true only when all inputs are true? a) AND b) OR c) NOT d) XOR Which logic gate has the same output as an OR gate followed by a NOT gate? a) NAND b) XOR c) NOR d) XNOR How many bits a...

Electronics MCQs Electronics MCQs 1. What is the meaning of maximum safe reverse voltage across a diode? a) PIV voltage b) Knee voltage c) Break down voltage d) Reverse break down voltage 2. What is the peak inverse voltage of germanium diode? a) 0.3 V b) 0.7 V c) 0.8 V d) 1 V 3. Which is the first step followed in troubleshooting of electronic circuit? a) Thermal test b) Chemical test c) Mechanical tes...

Electronics MCQs Electronics MCQs 1. What is the current through the Zener diode with full load condition? a) Zero b) Minimum c) Maximum d) Remains constant 2. Which component filter the ripples in the rectifier circuit? a) DIAC b) Diode c) TRIAC d) Capacitor 3. Which parameter is maintained constant in Zener diode? a) Power b) Current c) Voltage d) Resistance 4. When does the Zener diode begins to conduct in the reverse biased condition? a) When bias voltage reached 0.7 V b) After the barrier voltage cancelled c) Vol...

Electronics MCQs Electronics MCQs 1. What does a rectifier do? a) Converts AC to DC b) Converts DC to AC c) Increases voltage d) Decreases voltage 2. What is the main function of a transformer? a) Step up or step down voltage b) Measure resistance c) Generate power d) Store electrical energy 3. What principle is utilized in the operation of an induction cooker? a) Capacitance b) Induction c) Resistance ...

Electronics MCQs Electronics MCQs 1. What does VDR stand for in electronics? a) Voltage Dependent Resistor b) Variable Duty Ratio c) Very Detailed Report d) Voltage Distribution Regulator 2. What is the full form of LDR? a) Light Dependent Receiver b) Light Diffraction Resistor c) Light Detection and Ranging d) Light Dependent Resistor 3. Who formulated Ohm's Law? a) Georg Simon Ohm b) James Clerk Maxwell c) Michael...

Multimeter MCQs Multimeter MCQs 1. What is the primary function of a multimeter? a) Measure current b) Measure voltage c) Measure resistance d) All of the above 2. What is the symbol used to represent DC voltage on a multimeter? a) V~ b) V- c) V+ d) V⎓ 3. Which mode of a multimeter is used to measure resistance? a) Voltage mode b) Current mode c) Resistance mode d) Frequency mode ...

Basic Electronics MCQs Basic Electronics MCQs 1. What is the unit of electric current? a) Watts b) Volts c) Amperes d) Ohms 2. What does LED stand for in electronics? a) Light Emitting Diode b) Low Emission Detector c) Light Energy Device d) Light Enhancing Diode 3. Which component stores electrical charge? a) Resistor b) Capacitor c) Diode d) Transistor ...

Multiple-choice questions (MCQs) related to computer network and hardware maintenance: Which of the following devices is used to connect multiple computers in a local area network (LAN)?             a) Router b) Switch c) Modem d) Hub What is the purpose of a network interface card (NIC) in a computer?                                                            a) To provide power to the computer b) To connect the computer to the internet c) To connect the computer to a printer d) To connect the computer to a network      Which type of cable is commonly used for wired Ethernet networks?                                                           ...