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- (Download) CBSE Class-12 2016-17 Sample Paper And Marking Scheme (NCC)
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- (Download) CBSE: Class XII Peration And Maintenance of Communication Devices Question Paper - 2018
- (Download) CBSE Class-10 Sample Paper And Marking Scheme 2018-19 : (Japanese)
- (Download) CBSE Class-10 Sample Paper And Marking Scheme 2018-19 : (Gurung)
| (Download) CBSE Class-12 2016-17 Sample Paper And Marking Scheme (NCC) Posted: 17 Jan 2019 01:49 AM PST |
| (Download) CBSE Class-10 Sample Paper (Mathematics) 2014-2015 Posted: 17 Jan 2019 01:47 AM PST (Download) CBSE Class-10 Sample Paper (Mathematics) 2014-2015 Click Here To Download Full Sample Paper<<Go Back To Main Page |
| (Download) CBSE: Class XII Peration And Maintenance of Communication Devices Question Paper - 2018 Posted: 17 Jan 2019 01:24 AM PST
Question Papers For Board Examinations 2018Class – XIISubject – Peration And Maintenance of Communication DevicesSubject : Peration And Maintenance of Communication Devices Class : XII Year : 2018 General Instructions : Attempt any thirteen questions. Each question carries one mark. Select the correct answer. Questions :SECTION A1.Which medium is/are used in a communication system ? 2.If the frequency range of an electronic signal is high, what will be its bandwidth ? 3.Through which medium does ‘space wave’ propagation take place ? 4.In a Cellular Radio System, if the cell size is increased, the transmitter power will be 5.In a satellite, how much is the intensity of downlink signals in comparison to uplink received signals ? 6.The ‘Elevation’ of a satellite is that angle which the satellite makes 7.In a satellite, for transmission and reception of main signals, how many antennas are there ? 8.With reference to mobile phones, what is the full form of UIM ? 9.What is the frequency range on which mobile phones operate ? 10.What is the shape of ‘cells’ in a Base Master System ? 11.The components are soldered and desoldered on a PCB, by an SMD Rework Station through 12.For voice signals, what type of modulation is used in a mobile phone ? 13.The radiating power of a mobile phone 14.Which is the first device (equipment) best suited to repair a wet mobile phone ? 15.To become a successful mobile repair technician, the ‘Technical Support Guidance’ can be obtained from Click Here To Download Full Paper<< Go Back To Main PageCourtesy: CBSE |
| (Download) CBSE Class-10 Sample Paper And Marking Scheme 2018-19 : (Japanese) Posted: 16 Jan 2019 09:46 PM PST
(Download) CBSE Class-10 Sample Paper And Marking Scheme 2018-19 :(Japanese)
Click Here To Download Full Sample PaperClick Here To Download Full Marking SchemeCBSE (Class X) Previous Year Papers Printed Books<<Go Back To Main PageCourtesy:CBSE |
| (Download) CBSE Class-10 Sample Paper And Marking Scheme 2018-19 : (Gurung) Posted: 16 Jan 2019 09:22 PM PST
(Download) CBSE Class-10 Sample Paper And Marking Scheme 2018-19 :(Gurung)
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