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1 | UPS | ||||||||||||||||||||||||
2 | Sr no. | QUSTION | A | B | C | D | ANSWER | Marks (1/2/4) | Level (R/U/A) | CO | |||||||||||||||
3 | 1 | An uninterruptible power supply using ________ technology provides the highest level of power protection available. | double conversion | offline standby | line interactive | none | A | 1 | U | 4 | |||||||||||||||
4 | 2 | The Online UPS converts the 230V input AC mains supply to _________. | low AC power | DC power | pulsating DC | pulsating AC | B | 1 | R | 4 | |||||||||||||||
5 | 3 | ______type of ups technique is more expensive. | offline standby | double conversion | line interactive | None | B | 1 | U | 4 | |||||||||||||||
6 | 4 | The output voltage and frequency is controlled precisely, thus ensuring a clean and stable _______ power output. | sign wave | square wave | sawtooth wave | DC | A | 1 | R | 4 | |||||||||||||||
7 | 5 | __________is a more efficient technique. | double conversion | offline standby | line interactive | None | C | 1 | U | 4 | |||||||||||||||
8 | 6 | _________ gives better protection than other technique. | double conversion | offline standby | line interactive | none | C | 1 | R | 4 | |||||||||||||||
9 | 7 | The inverter, in a good line-interactive UPS, will supply a _______ output. | square wave | sine wave | DC | sawtooth | B | 1 | R | 4 | |||||||||||||||
10 | 8 | ______________ is an electrical apparatus that provides emergency power to a load when the input power source or mains power fails. | SMPS | Regulator | UPS | Stabilizer | C | 1 | U | 4 | |||||||||||||||
11 | 9 | The world's largest UPS,____ megawatt Battery Electric Storage System (BESS) in Fairbanks, Alaska, powers the entire city and nearby rural communities during outages. | 1.5 | 2.42 | 3.45 | 4.55 | D | 1 | R | 4 | |||||||||||||||
12 | 10 | _____UPS has the lowest cost. | double conversion | offline standby | line interactive | Cost is same for all | B | 1 | R | 4 | |||||||||||||||
13 | |||||||||||||||||||||||||
14 | Photocopier | ||||||||||||||||||||||||
15 | Sr no. | QUSTION | A | B | C | D | ANSWER | Marks (2/4) | Level (R/U/A) | CO | |||||||||||||||
16 | 1 | photocopier was invented in_______ | 1932 | 1936 | 1942 | 2000 | B | 1 | R | 4 | |||||||||||||||
17 | 2 | ______invented photocopier | Chester Floyd | Amedeo Avogadro | Johannes Gutenberg | Karl Friedrich von Drais | A | 1 | R | 4 | |||||||||||||||
18 | 3 | To extract the _____ feature is critical for photocopier forensics. | optimal extrinsic | exotic | optimal intrensic | individual | C | 1 | R | 4 | |||||||||||||||
19 | 4 | _____ sets of features are extracted from each individual character images. | one | two | three | four | C | 1 | U | 4 | |||||||||||||||
20 | 5 | ________ is performed on the charcter classification results to identify the source photocopier. | document security | GDM | GLGCM | majority vote | D | 1 | R | 4 | |||||||||||||||
21 | 6 | an average character classification accuracy of _______ can be achieved. | 88.47% | 90.67% | 56.43% | 89.75% | A | 1 | R | 4 | |||||||||||||||
22 | 7 | After a document is scanned into a document image, ____ is practiced to get individual character images. | algorithm | image preprocessing | optimal character | GDM features | B | 1 | U | 4 | |||||||||||||||
23 | 8 | The preprocessing process includes binary denoising, slant correction and _________. | audio visualization | visual segmentation | segment algorithm | character segmentation | D | 1 | R | 4 | |||||||||||||||
24 | 9 | ___________ is used for slant angle estimation so that the original document image can be corrected. | stanford algorithm12 | Hough algorithm14 | Seimens algorithm13 | hardvard algorithm01 | B | 1 | R | 4 | |||||||||||||||
25 | 10 | A threshold segmentation algorithm proposed by________ is used for binarization | Otsu12 | phunsu14 | ohgamh11 | oxford18 | A | 1 | R | 4 | |||||||||||||||
26 | 11 | _______is a high speed copier. | Photocopier | Jessner | Lessner | Fastner | B | 1 | R | 4 | |||||||||||||||
27 | |||||||||||||||||||||||||
28 | CCTV | ||||||||||||||||||||||||
29 | Sr no. | QUSTION | A | B | C | D | ANSWER | Marks (2/4) | Level (R/U/A) | CO | |||||||||||||||
30 | 1 | In a IP CCTV, _____keep the digital and keeps the record in a HDD | DVR | HVR | AVR | NVR | A | 1 | U | 4 | |||||||||||||||
31 | 2 | In a analog CCTV, ______ keep a analog signal, digitalize it and keep the record in the HDD | HVR | AVR | DVR | NVR | C | 1 | U | 4 | |||||||||||||||
32 | 3 | The application of CCTV is/are ________ | Hidden then in buses to control vandalism | production control in Factory . | Aerial Photography from a hot air ballon. | All above. | D | 1 | R | 4 | |||||||||||||||
33 | 4 | PVR of the CCTV is present in ________ | In the place where suvilliance harddisk. | in the place where camera is present | in the corner of the room | none of them | A | 1 | R | 4 | |||||||||||||||
34 | 5 | Fullform of CCTV is ________ | closed circuit technology | closed circuit technology and video | closed. communication television. | Closed circuit television. | D | 1 | R | 4 | |||||||||||||||
35 | 6 | CCTV is also known as ________ | Video Survilliance | Photo Survilliance | Audio Survilliance | all of them | A | 1 | R | 4 | |||||||||||||||
36 | 7 | CCTV equipment is used to observe part of process a ____________ | monitor control room | Central control room | TV control room | camera control room | B | 1 | R | 4 | |||||||||||||||
37 | 8 | A room advance from of CCTV, utilizing _________ provides recording for many years. | Network video recorder | Digital video recorder | analog video recorder | discrete video recorder | B | 1 | R | 4 | |||||||||||||||
38 | 9 | The video cable is connected to _____ port | HDMI | RJ-45 | BNC | none of them | C | 1 | R | 4 | |||||||||||||||
39 | |||||||||||||||||||||||||
40 | Audio system | ||||||||||||||||||||||||
41 | Sr no. | QUSTION | A | B | C | D | ANSWER | Marks (2/4) | Level (R/U/A) | CO | |||||||||||||||
42 | 1 | In order to troubleshoot the audio system the first step is to check whether _______________ . | A)the speaker is damage in system | B)the wire is damage in audio system | Pre Amplifier is damaged | D)the audio system is getting power supply | D | 1 | U | 1 | |||||||||||||||
43 | 2 | ________equipment is required to check whether the components are working correctly?? | Audio generator | Signal generator | Multimeter | All of the above | D | 1 | U | 1 | |||||||||||||||
44 | 3 | If the problem is occurring on a new system, or one in which you have just added or replaced an audio adapter. Determine the correct steps | Verify that the speakers are connected to the correct jacks. | Check the troubleshooting sections of the Microsoft web site and the web sites for motherboard and audio adapter manufacturer. | Clean the Audio connecter for removing carbon coating | All of the above | D | 1 | U | 1 | |||||||||||||||
45 | 4 | DLL stands for_______ | Data link layer | Dynamic link layer | Remove the drivers, restart the system, and reinstall the drivers from scratch. | Delay lock loop | B | 1 | R | 1 | |||||||||||||||
46 | 5 | In audio systems the sound card is ________ | Digital to analog convertor | Analog tO digital convertor | Doubly linked list | Singly linked list | A | 1 | R | 1 | |||||||||||||||
47 | 6 | The speaker that doesn't have inbuilt power amplifiers are called as ____ | Active speakers | Passive speakers | Bass Speaker | Woofer Speaker | B | 1 | U | 1 | |||||||||||||||
48 | 7 | The first step to troubleshoot any system is______________ | A)visual Inspection | B)Wire inspection | Power Inspection | Multimeter Testing | A | 1 | U | 1 | |||||||||||||||
49 | 8 | AGP stands for _____ | Accelerated Graphic Port | Audio Graphic port | Advanced Graphic Port | Aloud Graphic Port | A | 1 | R | 1 | |||||||||||||||
50 | |||||||||||||||||||||||||
51 | Printer | ||||||||||||||||||||||||
52 | Sr no. | QUSTION | A | B | C | D | ANSWER | Marks (2/4) | Level (R/U/A) | CO | |||||||||||||||
53 | 1 | Dot mtrix and solid font printers are example of _____ | line printers | of-band printer | character printer | ink printer | C | 1 | U | 4 | |||||||||||||||
54 | 2 | ink jet printers or band printer are classified as _______ | character printer | ink printer | line printer | of band printer | C | 1 | R | 4 | |||||||||||||||
55 | 3 | per minute printing speed of large laser printer is________ | 150 pages | 200 oages | 250 pages | 300 pages | A | 1 | R | 4 | |||||||||||||||
56 | 4 | printing technique in which characters are produced using metals pieces is called______ | matrix font | solid fonts | page font | paragraph font | B | 1 | U | 4 | |||||||||||||||
57 | 5 | type of plotter in which paper is held stationary and paper is held by underneath section is classified as ___________ | drum plotter | flat bed plotter | desk jet plotter | ink jet plotter | B | 1 | R | 4 | |||||||||||||||
58 | 6 | type of printer in which loop rotates in horizontal linea and hammer set of printers is used across paper is termed as ________ | band printers | ink jet rpinters | page printers | font printers | A | 1 | U | 4 | |||||||||||||||
59 | 7 | situation in whih printers are differentiated on basis of characters lines pages to be printed is called_____ | sequence to print data | impact to print data | non impact printer | font of characters | C | 1 | R | 4 | |||||||||||||||
60 | 8 | printer in which output is printeed by use of light beam and particles of ink infused on paper is best classified as ____ | character priter | line printer | laser printer | beam printer | C | 1 | R | 4 | |||||||||||||||
61 | 9 | type of printer in which characters or letters are formed without use of any mechnical impact is termed as _________ | page printer | line printer | impact printer | non impact printer | D | 1 | U | 4 | |||||||||||||||
62 | |||||||||||||||||||||||||
63 | Home Theater System | ||||||||||||||||||||||||
64 | Sr no. | QUSTION | A | B | C | D | ANSWER | Marks (2/4) | Level (R/U/A) | CO | |||||||||||||||
65 | 1 | ______ is the heart of the home theatre system. | Preamplifier | Audio input | Video input | Receiver | D | 1 | U | 1 | |||||||||||||||
66 | 2 | ______is needed to Setup a Home Theater System. | Receiver | Disc player | DVD recorder and loudspeaker | All of the above | D | 1 | U | 1 | |||||||||||||||
67 | 3 | ______are the source components in home theatre system. | satellite/cable box, media streamer, Blu-ray Disc or DVD player, | media streamer | All of the above | Blu-ray Disc or DVD player | C | 1 | U | 1 | |||||||||||||||
68 | 4 | In home theatre system, receiver provides ______ source | audio decoding | connectivity and switching | Both A and B | None of these | C | 1 | R | 1 | |||||||||||||||
69 | 5 | A home theater setup utilizing 5.1 channels is the most commonly used. | FALSE | TRUE | Cant' say | B | 1 | R | 1 | ||||||||||||||||
70 | 6 | How many buttons present on the front panel of system? | 5 | 7 | 2 | 4 | A | 1 | R | 1 | |||||||||||||||
71 | 7 | The front panel speaker has __________ | Left and right surround speaker | Front center channel | Subwoofer | All of the above | C | 1 | R | 1 | |||||||||||||||
72 | |||||||||||||||||||||||||
73 | Digital Camera | ||||||||||||||||||||||||
74 | Sr no. | QUSTION | A | B | C | D | ANSWER | Marks (2/4) | Level (R/U/A) | CO | |||||||||||||||
75 | 1 | ________ is the device that captures the images and turn them into a digital form. | Analog Camera | Digital camera | Cam coder | Security camera | B | 1 | U | 4 | |||||||||||||||
76 | 2 | _________as an engineer at Eastman Kodak invented the first digital camera based on CCD | Steven Sasson | Joseph Nicéphore | Thomas Edison | Reiners Gemma | A | 1 | R | 4 | |||||||||||||||
77 | 3 | First digital camera based on CCD was founded in __________ | 1950 | 1875 | 1975 | 1957 | C | 1 | R | 4 | |||||||||||||||
78 | 4 | An __________device is a device that is a chip set inside of camera called as CCD. | digital camera | . Image pick up | . image processing | . Camcoder | B | 1 | R | 4 | |||||||||||||||
79 | 5 | CCD stands for ___________. | charged coupled devices | charged capacitive devices | Charged coupling divider | Current control device | A | 1 | R | 4 | |||||||||||||||
80 | 6 | Each pixel translates the light to an ________. | electric voltage | electric current | analog data | digital data | B | 1 | R | 4 | |||||||||||||||
81 | 7 | Advantages of ccd - | More sensitive in low light | High uniformity | Produce cleaner images | all of above | D | 1 | R | 4 | |||||||||||||||
82 | 8 | Digital cameras use a number of storage systems like_____ | reusable | digital film | Both a and b | None of above | C | 1 | U | 4 | |||||||||||||||
83 | 10 | _____ are the types of digital camera | Compact Digital Camera | MirrorLess Camera | Both a and b | none of above | C | 1 | R | 4 | |||||||||||||||
84 | 11 | digital cameras can ______ | crop pictures | perform other elementary image editing. | record moving videos with sound | all of above | D | 1 | U | 4 | |||||||||||||||
85 | |||||||||||||||||||||||||
86 | CD Player | ||||||||||||||||||||||||
87 | Sr no. | QUSTION | A | B | C | D | ANSWER | Marks (2/4) | Level (R/U/A) | CO | |||||||||||||||
88 | 1 | The _____ makes the disc to maintain a constant linear velocity when the reading mechanism moves from outer tracks of disc to inner tracks or from inner tracks to outer tracks on disc surface | Decoding CD | Optical pick-up | High frequency amplifier | half –full memory circuit | D | 1 | U | 4 | |||||||||||||||
89 | 2 | The______ separates the modulated data and the timing signal from the signal received at its input. | half –full memory circuit | EFM Demodulator | ERCO Circuit | Decoding CD | B | 1 | U | 4 | |||||||||||||||
90 | 3 | The ______ is used for error detection and correction purpose | EFM Demodulator | ERCO circuit | half –full memory circuit | Optical pick-up | B | 1 | U | 4 | |||||||||||||||
91 | 4 | In muting, when error is detected in the data stream , the player will mute (silence)the sound is not to send speaker | TRUE | Flase | A | 1 | R | 4 | |||||||||||||||||
92 | 5 | The _____also responsible for maintaining constant linear velocity of CD rotation motor | ERCO | half –full memory circuit | EFM Demodulator | High frequency amplifier | A | 1 | U | 4 | |||||||||||||||
93 | 6 | Signals from the ERCO contains audio signal in the interleaved format. before doing any further operation on this signal, it must be interleaved. | TRUE | Flase | A | 1 | R | 4 | |||||||||||||||||
94 | 7 | The output from digital filter and de-multiplexer circuit is send to________ | EFM Demodulator | A/D convertors | D/A convertors | Decoding CD | C | 1 | U | 4 | |||||||||||||||
95 | 8 | The CD player is also known as CLV or constant linear velocity system. | TRUE | Flase | A | 1 | R | 4 | |||||||||||||||||
96 | |||||||||||||||||||||||||
97 | Air Conditioner | ||||||||||||||||||||||||
98 | Sr no. | QUSTION | A | B | C | D | ANSWER | Marks (2/4) | Level (R/U/A) | CO | |||||||||||||||
99 | 1 | Humidification is the removal of moisture to the air. | TRUE | FALSE | Non of the above | 1 | R | 4 | |||||||||||||||||
100 | 2 | …… is an instrument used to measure relative humidity. | Psychrometer | Barometer | Manometer | Pressure gauge | 1 | R | 4 | ||||||||||||||||