Touch Screen Technology Question & Answers May 18, 2021 By WatElectronics This article lists 100 Touch Screen Technology MCQs for engineering students. All the Touch Screen Technology Questions & Answers given below includes solution and link wherever possible to the relevant topic. Touch screen technology is common across the globe, the first touch screen system was created in 1965 by E.A. Johnson. Scientists at the University of TORONTO invented the first multi-touch display in the 1980s. The touch screen has made various devices so simpler to use, and the required task will be done by a simple tab with little swap and will find a touch screen everywhere on smartphones, laptops, computer screens, etc. The basic touch screen has three components they are sensors, controllers, and software. There are six types of touch screen systems like resistive, capacitive, infrared, SAW, optical imaging, and acoustic pulse recognition touch screen. 1). Which touch screen system mostly use in ATMs? Capacitive touch screen Resistive touch screen Surface acoustic wave touch screen None of the above None Hint 2). How many electric conductive layers does the resistive touch screen system consist of? One Two Three Four None Hint 3). __________ are used to separate the layers Spacers ITO glass Plastic ITO None of the above None Hint 4). How many types of touch screens are there? Three Four Five Six None Hint 5). The electrical current in the resistive touch screen runs through the two layers what are they? Resistive and capacitive layer Capacitive and a conductive layer Resistive and a conductive layer None of the above None Hint 6). The resistive touch screen systems are __________ Durable b c d Consistent Cannot handle two-finger zoom All of the above None Hint 7). Which touch screen system consists of photocells and light-emitting diodes? Capacitive touch screen Resistive touch screen Surface acoustic wave touch screen Infrared touch screen None Hint 8). When was the first touch screen system invented? 1965 1975 1985 1995 None Hint 9). Who invented the first touch screen system? Graham bell Wright brothers E.A. Johnson None of the above None Hint 10). In which year the scientist at the University of TORONTO invented the first multi-touch display? 1960 1970 1980 1990 None Hint 11). The capacitive touch screens are made from ________ Indium tin oxide Copper oxide Both a and b None of the above None Hint 12). The projective and surface are the two different kinds of __________ Capacitive touch screen Resistive touch screen Surface acoustic wave touch screen Infrared touch screen None Hint 13). The projective capacitive touch screen display uses __________ Tight grid of special sensor chips ITSY-BITSY sensors in the corners Both a and b None of the above None Hint 14). The surface capacitive touch screen display uses __________ Tight grid of special sensor chips ITSY-BITSY sensors in the corners Both a and b None of the above None Hint 15). How many components does a basic touch screen have? One Two Three Four None Hint 16). The resistive touch screens are _________ Inexpensive Better resistance to water and dust Can be used with gloves All of the above None Hint 17). The capacitive touch screens are _________ Higher touch sensitivity Supports multi-touch Good visibility even in sunlight All of the above None Hint 18). The upper layer of resistive touch screens made up of ________ Polyester Glass Copper None of the above None Hint 19). The lower layer of resistive touch screens made up of ________ Polyester Glass Copper None of the above None Hint 20). What are the types of capacitive touch screens? Resistive and capacitive Capacitive and conductive Resistive and conductive Surface and projective None Hint Touch Screen Technology Questions and Answers for Engineering Students 21). The light transmittance in SAW touch screen technology is around _____ 60% 90-99% 88% 88-93% None Hint 22). __________ is the disadvantage of resistive touch screens Touch sensitivity is low Unable to support multi-touch Poor visibility in sunlight All of the above None Hint 23). __________ is the disadvantage of capacitive touch screens Cannot be used with gloves More expensive Doesn’t work well with pointed objects All of the above None Hint 24). How many glass layers are required to make a capacitive touch screen? One Two Three Four None Hint 25). Which touch screen has electrodes at the four corners of the screen? Surface capacitive touch screen Resistive touch screen Projective capacitive touch screen Infrared touch screen None Hint 26). Which touch screen has X and Y electrodes? Surface capacitive touch screen Resistive touch screen Projective capacitive touch screen Infrared touch screen None Hint 27). The infrared touch screens are _____ Use with gloves or wet fingers Highly durable Suitable for large panels All of the above None Hint 28). The touch screen technologies are used on _________ devices Computers Laptops Smartphones All of the above None Hint 29). The capacitive touch screen sensors are divided into two types? True False None Hint 30). The cost of the five-wire resistive touch screen is _______ Low High Very high Better None Hint 31). The light transmittance in surface capacitance touch screen technology is around _____ 60% 70% 88% 88-93% None Hint 32). In which touch screens the transparent materials are used for coating? Surface capacitive touch screen Resistive touch screen Projective capacitive touch screen Infrared touch screen None Hint 33). The capacitive touch screens are commonly used for industrial purpose True False None Hint 34). The standard form of SAW touch screen is _________ Standard Arrangement Wave Standard Acoustic Wave Surface Arrangement Wave Surface Acoustic Wave None Hint 35). _________ comes under resistive touch screen technology 4-wire and 5-wire Surface and projective SAW and a bending wave Infrared and camera None Hint 36). ____________ comes under acoustic touch screen technologies 4-wire and 5-wire Surface and projective SAW and a bending wave Infrared and camera None Hint 37). ____________ comes under optical touch screen technologies 4-wire and 5-wire Surface and projective SAW and a bending wave Infrared and camera None Hint 38). The image clarity in four-wire resistive touch screen technology is around _______ 70% 80% 90% 100% None Hint 39). The image clarity in five-wire resistive touch screen technology is around _______ 70% 80% 90% 100% None Hint 40). The cost of the four-wire resistive touch screen is _______ Low High Very high Better None Hint Touch Screen Technology Quiz Questions and Answers 41). In mobile phones, ______ sensors are used Capacitive Resistive Temperature Weight None Hint 42). The worlds first touch screen device launched by ______ Wipro IBM Infosys None of the above None Hint 43). In which year the IBM launched the first touch screen device? 1982 1962 1992 None of the above None Hint 44). In the self-capacitance is a _________ Touch screen accuracy is low Immunity to LCD noise is low Older technology All of the above None Hint Read more about Touch Sensors 45). The self-capacitance is a _________ Single layer sensor Double-layer sensor Multi-layer sensor None of the above None Hint 46). The mutual capacitance is a _________ Single layer sensor Double-layer sensor Multi-layer sensor None of the above None Hint 47). The touch screen accuracy in mutual capacitance is ______ Less Very less High Better None Hint 48). The SNR is easy to maximize in mutual capacitance True False None Hint 49). What is the name of the first touch screen device launched by IBM? Simon LGKE 850 Both a and b None of the above None Hint 50). What are the advantages of the surface acoustic wave? Scratch immunity is very high Provides superior resolution Low weather immunity Both a and b None Hint 51). What are the disadvantages of the surface acoustic wave? Scratch immunity is very high Cannot be sealed completely Low weather immunity Both b and c None Hint 52). In which touch screen technology the mage clarity is 100% but limited to larger sizes? Surface capacitive touch screen Resistive touch screen Projective capacitive touch screen Optical imaging touch screen None Hint 53). The light transmittance in 4-wire resistive touch screen technology is around _____ 60% 70% 80% 90% None Hint 54). The light transmittance in projective capacitance touch screen technology is around _____ 60% 70% 88% 90% None Hint 55). Another name for touch sensor is ______ Pressure sensor Weight sensor temperature sensor Tactile sensor None Hint 56). ________ are the components of basic touch screens Controllers and sensors Sensors and software Software, sensors, and controllers None of the above None Hint 57). The light transmittance in infrared touch screen technology is around _____ 60-70% 70-80% 88-99% 92-99% None Hint 58). The light transmittance in five-wire resistive touch screen technology is around _____ 60-70% 75-88% 88-99% 92-99% None Hint 59). The life expectancy of four-wire resistive touch screen is ________ Greater than 1 million Greater than 2 million Greater than 1.5 million Greater than 2.5 million None Hint 60). The light transmittance in a camera is around _____ 60-70% 75-88% 88-99% 92-100% None Hint Touch Screen Technology Questions and Answers for Interviews 61). The life expectancy of five-wire resistive touch screen is __________ Greater than 1 million Greater than 2 million Greater than 35 million Greater than 25 million None Hint 62). In ___________ touch screen overlay is needed Surface capacitive touch screen Resistive touch screen Projective capacitive touch screen Optical imaging touch screen None Hint 63). In ___________ touch screen overlay is not needed Surface capacitive touch screen Resistive touch screen Infrared touch screen Optical imaging touch screen None Hint 64). In which touch screen the contamination is high? Surface capacitive touch screen Resistive touch screen Infrared touch screen Optical imaging touch screen None Hint 65). In which touch screen the scratch immunity is low? Surface capacitive touch screen SAW touch screen Infrared touch screen Both a and b None Hint 66). In which touch screen the sunlight readability is high? Projective capacitive touch screen SAW touch screen Surface capacitive touch screen All of the above None Hint 67). The response time of 4-wire resistive touch screen is around _____ <10ms >10ms <15ms <20ms None Hint 68). _________ is a surface technique type touch screen Resistive touch screens Capacitive touch screens Both a and b None of the above None Hint 69). _________ are edge technique type touch screen Infrared SAW Camera All of the above None Hint 70). In which type of touch screen the resolution is moderate? Projective capacitive Optical Resistive Both b and c None Hint 71). In which touch screen the resolution is low? Projective capacitive Optical Resistive Infrared None Hint 72). The capacitive touch screens comes under __________ technology? Electrostatic field Ultrasonic wave Light interruption None of the above None Hint 73). The SAW touch screens comes under __________ technology? Electrostatic field Ultrasonic wave Light interruption None of the above None Hint 74). The operating temperature of infrared and camera is _________ -30 to +500 C -40 to +500 C -20 to +500 C -10 to +500 C None Hint 75). The activation force of resistive touch screens is around ________ 10-100g 20-100g 30-100g 40-100g None Hint 76). In which touch screens the life expectancy is very long? Projective capacitive Optical Resistive Infrared and camera None Hint 77). The activation force of capacitive touch screens is __________ 10-100g 20-100g 30-100g Forceless None Hint 78). The life expectancy of SAW touch screen is __________ Greater than 10 million Greater than 20 million Greater than 50 million Greater than 25 million None Hint 79). The size of the surface capacitive touch screen is ______ 6.4 to 32 inches 7.4 to 32 inches 8.4 to 32 inches 6.4 to 25 inches None Hint 80). The Lenovo pc is an example for _____________ touch screen Projective capacitive Optical Resistive SAW None Hint Touch Screen Technology Important Questions and Answers 81). The operating temperature of the surface capacitive touch screen is around _________ -30 to +500 C -40 to +500 C -20 to +500 C -10 to +500 C None Hint 82). The size of a 4-wire resistive touch screen is _________ 6.4 to 32 inches 7.4 to 32 inches 1.7 to 24 inches 6.4 to 25 inches None Hint 83). The size of a 5-wire resistive touch screen is _________ 6.4 to 32 inches 10.4 to 24 inches 1.7 to 24 inches 6.4 to 25 inches None Hint 84). The size of a projective touch screen is _________ 6.4 to 32 inches 10.4 to 24 inches 2.8 to 10.4 inches 6.4 to 25 inches None Hint 85). The Nexio 42” is an example for _______ touch screen Projective capacitive Optical Infrared SAW None Hint 86). __________ is an example for optical imaging touch screen Nexio Lenovo pc HP touch smart None of the above None Hint 87). __________ is an commercial example for projective capacitive touch screen Nexio Lenovo pc HP touch smart iphone None Hint 88). How much dc voltage does capacitive touch screens consume? 6V 15 V 5V 12V None Hint 89). How much dc voltage does SAW touch screens consumes? 6V 5V 12V 10V None Hint 90). The HTC Diamond is a commercial example of which touch screen technology? Projective capacitive 4-wire resistive Infrared SAW None Hint 91). The response time of infrared touch screens is _______ <20ms >20ms <10ms >10ms None Hint 92). Which touch screen comes under industrial application? Blood glucose meters Monitors Portable blood pressure Point of sale terminals None Hint 93). ____________ devices comes under consumer appliances Blood glucose meters Coffee machines Microwaves Both b and c None Hint 94). Which touch screen input device comes under consumer electronics? Blood glucose meters Coffee machines Microwaves IP phones None Hint 94). Which touch screen input device comes under medical? Blood glucose meters Coffee machines Microwaves IP phones None Hint 95). _______ are the resistive touch screen hero products TSC2006 TSC2004 TSC2011 All of the above None Hint 96). Which resistive touch screen is a multi-touch resistive product? TSC2006 TSC2004 TSC2011 TSC2020 None Hint 96). _______ are the capacitive touch screen products TSC3060 TSC2004 TSC2011 All of the above None Hint 97). In which technology do touch screens are based? Cathode ray tube LCD OLED None of the above None Hint 98). What are the pros of touch screen technology? No cable required No keyboard required Fast All of the above None Hint 99).What are the cons of touch screens? Precision is low User has to stand or sit closer to the screen No keyboard required Both a and b None Hint 100). Which sensor does the touch screen android mobiles use? AFR Tactile Viscometer None of the above None Hint 101). The warranty for resistive touch screens is __________ One Two Three Four None Hint 102). The warranty for capacitive touch screens is __________ One Two Three Five None Hint 103). The warranty for acoustic touch screens is __________ One Two Three Five None Hint 104). The resistive touch screens are made with ___________ Glass with coating Hardened acrylic plastic Wood Copper None Hint 105). The acoustic touch screens are made with ___________ Glass with coating Hardened acrylic plastic Wood Copper None Hint 106). The resistive type touch screens damaged by _________ Very sharp objects Glass breakable Glass coating wears out None of the above None Hint 107). The acoustic type touch screens damaged by _________ Very sharp objects Glass breakable Glass coating wears out None of the above None Hint 108). What are the applications of touch screens? Public information displays Retail and restaurant systems Customer self-service All of the above None Hint 109). The capacitive wave touch screens are made with ___________ Glass with coating Hardened acrylic plastic Wood Copper None Hint 110). The capacitive type touch screens damaged by _________ Very sharp objects Glass breakable Glass coating wears out None of the above None Hint 111). The capacitive touch screens work with _______ materials Copper Aluminum Thermal paste All of the above None Hint 112). In which year the world’s first capacitive touch screen was launched? 1999 1998 2005 2007 None Hint 113). What are the benefits of projected capacitive touch screens? Resistant to water, moisture, debris, and dirt Highly sensitive to touch commands Brighter display Multi-touch support All of the above None Hint 114). What are the benefits of resistive touch screens? More accurate than four-wire Stable Works with stylus All of the above None Hint 115). How many types of IR touch screens are there? One Two Three Four None Hint 116). The IR grid touch screens use ______ Sensors and LEDs Works with gloves Requires backlight All of the above None Hint Read more about Touch Sensors Time's up
