Question 1.
\nWhat are electronics
\nAnswer:
\nElectronics is the field of science and engineering which deals with electronic devices and their utilisation.<\/p>\n
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<\/p>\n
Question 2.
\nWho discovered the electron?
\nAnswer:
\nJ.J. Thomson.<\/p>\n
Question 3.
\nWho invented the vacuum tube diode?
\nAnswer:
\nJohn Ambrose Fleming.<\/p>\n
Question 4.
\nWho invented the vacuum tube triode?
\nAnswer:
\nLee de Forest.<\/p>\n
Question 5.
\nName the most commonly used semiconductor material in device fabrications.
\nAnswer:
\nSilicon.<\/p>\n
Question 6.
\nHow many electrodes are present in a vacuum tube triode?
\nAnswer:
\nThree electrodes.<\/p>\n
Question 7.
\nWho invented the transistor?
\nAnswer:
\nWilliam Shockley, John Bardeen, and Walter Brattain.<\/p>\n
Question 8.
\nWho invented the integrated circuit?
\nAnswer:
\nJack Kilby.<\/p>\n
<\/p>\n
Question 9.
\nIn which year Op amp was developed?
\nAnswer:
\n1964<\/p>\n
Question 10.
\nWhat is the internet?
\nAnswer:
\nInternet is the largest and the most effective communication platform.<\/p>\n
Question 11.
\nWho invented JFET?
\nAnswer:
\nWilliam Schooley.<\/p>\n
Question 12.
\nExpand MOSFET.
\nAnswer:
\nMetal Oxide Semiconductor Field Effect Transistor.<\/p>\n
Question 13.
\nExpand RAM.
\nAnswer:
\nRandom Access Memory.<\/p>\n
Question 14.
\nExpand PROM.
\nAnswer:
\nProgrammable Read-Only Memory.<\/p>\n
Question 15.
\nExpand SCR.
\nAnswer:
\nSilicon Controlled Rectifier.<\/p>\n
Question 16.
\nExpand IGBT.
\nAnswer:
\nInsulated gate bipolar transistor.<\/p>\n
Question 17.
\nWhat are voltage controllers?
\nAnswer:
\nThe circuits that control the voltage are called Voltage controllers.<\/p>\n
<\/p>\n
Question 18.
\nWhat are rectifiers?
\nAnswer:
\nRectifiers are circuits that convert ac into varying dc.<\/p>\n
Question 19.
\nWhat is an Integrated circuit?
\nAnswer:
\nThe integrated circuit is an entire electronic circuit on a single semiconductor chip.<\/p>\n
Question 20.
\nExpand VLSI.
\nAnswer:
\nVery large scale integration.<\/p>\n
Question 21.
\nName one application of op-amp.
\nAnswer:
\nAddition of voltages.<\/p>\n
Question 22.
\nWhat is a microprocessor?
\nAnswer:
\nIt is an integrated circuit that consists of CPU, Control Unit, data and address buses.<\/p>\n
Question 23.
\nWhat is a microcontroller?
\nAnswer:
\nA microcontroller is a computer on chip because it has CPU, memory, input and output pins, timer and clock circuit, all built on a single silicon chip.<\/p>\n
<\/p>\n
Question 24.
\nWhen was the microcontroller invented?
\nAnswer:
\n1971.<\/p>\n
Question 25.
\nWho developed the first microprocessor?
\nAnswer:
\nTed Hoff of Intel Corporation.<\/p>\n
Question 26.
\nWho developed the first microcontroller?
\nAnswer:
\nGary Boone and Michael Cochran.<\/p>\n
Question 27.
\nExpand FM.
\nAnswer:
\nFrequency modulation.<\/p>\n
Question 28.
\nExpand WAN.
\nAnswer:
\nWide area network.<\/p>\n
Question 29.
\nExpand EPRAM.
\nAnswer:
\nErasable Programmable read-only memory.<\/p>\n
<\/p>\n
Two Mark Questions and Answers<\/span><\/p>\n Question 1. Question 2. Question 3. Question 4. Question 5. Question 6. Question 7. Question 8. Question 9. Question 10. Question 11. Question 12. Electronics engineers find job opportunities in the design and fabrication of devices, integrated circuits, embedded systems. Electronics technicians have jobs in the installation and maintenance of electronic equipment used in health care in hospitals, equipment for instruments.<\/p>\n Karnataka 1st PUC Electronics Question Bank Chapter 1 Introduction to Electronics One Mark Questions and Answers Question 1. What are electronics Answer: Electronics is the field of science and engineering which deals with electronic devices and their utilisation. Question 2. Who discovered the electron? Answer: J.J. Thomson. Question 3. Who invented the vacuum tube diode? …<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[81],"tags":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/posts\/88280"}],"collection":[{"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/comments?post=88280"}],"version-history":[{"count":0,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/posts\/88280\/revisions"}],"wp:attachment":[{"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/media?parent=88280"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/categories?post=88280"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/tags?post=88280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nName two semiconducting materials used in device fabrication.
\nAnswer:
\nSilicon and Germanium<\/p>\n
\nMention a few applications of electronics.
\nAnswer:<\/p>\n\n
\nName any two medical electronic equipment.
\nAnswer:
\nGlucometer and Sphygmomanometer.<\/p>\n
\nList the household electronics, equipment.
\nAnswer:
\nTV, DVD player, Microwave oven, Digital camera.<\/p>\n
\nMention a few applications of the Internet.
\nAnswer:
\nThe Internet provides several applications like World wide web, e-mail, e-commerce, chat, teleconference and telemedicine.<\/p>\n
\nDistinguish between microprocessor and microcontroller.
\nAnswer:
\nThe microprocessor is an integrated circuit that consists of a CPU, control unit, data and address buses.
\nThe microcontroller is a microprocessor with built-in memory like RAM and ROM.<\/p>\n<\/p>\n
\nName few power semiconductor devices.
\nAnswer:
\nPower diode, power transistor, SCR, TRIAC, MOSFET and IGBT (Insulated gate bipolar transistor).<\/p>\n
\nWrite the applications of a cell phone.
\nAnswer:
\nA cell phone is used in many applications like text messaging, gaming, music, banking, the internet, e-mail, Global positioning system (GPS).<\/p>\n
\nWrite a note on the role of electronics in medical science.
\nAnswer:
\nElectronic devices are widely used in medical science in the diagnosis and treatment of different ailments. The electronic devices commonly used in the field of medical science are
\nElectrocardiographs (ECG),.X-rays, ultrasound scanning machines, endoscopy, glucometer,<\/p>\n
\nWrite a brief note on the industrial applications of electronics.
\nAnswer:
\nIndustries have used electronics in systems that control production equipment like industrial robots and controlled machine tools. Many risky and life-threatening jobs are now performed by robots. Automation in the industry has reduced human labour, increased safety and productivity. Electronic fire detector, burglar alarms, smoke detectors and CC camera provide security to industries. Power stations generating electricity are controlled by electronic devices and circuits.<\/p>\n
\nDiscuss the applications of electronics in defence.
\nAnswer:
\nIn defence, Radar, Sonar and infrared systems are used to detect and locate warships, jet fighters and submarines. Missiles controlled by electronic signals can target enemies very accurately over long distances. Electronic security systems are used across the border to guard the country.<\/p>\n<\/p>\n
\nWhat are job opportunities available in the field of Electronics?
\nAnswer:
\nElectronics engineers are employed in the design and development of complex devices and systems for signal processing and telecommunication in defence, space and other large research organisations.<\/p>\n1st PUC Electronics Question Bank with Answers<\/a><\/h4>\n","protected":false},"excerpt":{"rendered":"