Chapter 8OU Date: Course: ComputersTest: Name: 1. Which term describes the numbe
ID: 3919634 • Letter: C
Question
Chapter 8OU Date: Course: ComputersTest: Name: 1. Which term describes the number of pixels in an image? a. Codec b. Zoom c. PictBridge d. Resolution Which type of camera has a lens with a preset focal length that focuses well on objects within a specific distance? a. Autofocusing b. Optical zoom c. Fixed-focus d. Macro 3. Which type of lens would be best for shooting a beach scene? a. Digital zoom C. Macro d. Telephoto 4 Which type of camera has the most options and give you the most control? a. Smartphone b. Digital single-lens reflex (DSLR) c. Point-and-shoot d. Compact system camera (CSc) 5. What enables a computer and camera to talk to each other? a. Device drivers b. Memory cards c. Tagging d. PictBridge 6. Which file format results in the smallest file size? a. TIF b. RAW C. JPG d. BMP 7. Which codec is the default audio file type used by Apple iTunes? a. MIDI b. MP3 c. AAC d. WMA 8. Which tool enables you to create a video of what happens on your computer screen? a. Webcam b. Streaming c. Screen capture software d. MachinimaExplanation / Answer
The following is the answer of questions:-
1) d. Resolution
2) c. Fixed-focus
3) b. Wide-angle
4) b. Digital single-lens reflex (DSLR)
5) a. Device drivers
6) c. JPG
7) c. AAC
8) c. Screen capture software
9) d. All of the above
10) d. E-ink
11) a. True
12) b. False
13) a. True
14) b. False
15) b. False
16) a. True
17) b. False
18) a. True
19) a. True
20) a. True
Explanation:-
1) In many mobile devices or in TVs or in any display thing you can get in the description that Resolution 1280*720, 1024*768, 1080*1920, etc so it's shows the clarity of display and it measures in pixels.
2) In many old mobile phones we know that there is no autofocus or any kind of focus to the objects but it focused on specific distance and to capture that specific distance the fixed-focus lenses are too good.
3) Because wide angle lenses captures the images in more then wide area which we can see morever on the beach there is very wide distance and because of that view in wide angle lenses captures beuty of beach scenes.
4) In most of photographes as well as in weddings and functions we know that people uses the DSLR as many as possible because it gives most options and most controls as well as most clarity.
5) Whatever hardwares in the computer need to runs it wants drivers too like for printers bluetooth, wifi, etc. with out drivers hardware will not works so device drivers are responsible for this.
6) TIF - extension for raster graphic images, RAW - generated by digital cameras, JPG - extension of image which can compress, BMP - contains bitmap graphics data so from above extensions rather then jpg all others cannot compressed and having high quality so generelly they have more size then JPG files.
7) The Apple iTune use bydefault AAC codec
8) Using screen capture software you can record the video of whatever on your screen shows.
9) In tablet you can have all of these things have better quality then notebook
10) In E-ink you can feasible to read texts having minimum bettry usage then HD,LCD and Backlight.
11) Multimedia has everything of this for example movies.
12) Resolution is the clarity of captured image which measures in pixels.
13) Auto focus cameras automatically adjust the lense for the dinstance of object.
14) You can zoom while capturing image i.e. optically and while in captured image also i.e. digitally.
15) point and shoots camera's lenses cannot interchange and that are not more expensive.
16) When we tagging image we can easily search for that image.
17) if image compressed by lossless they can be retrived in original size like tif extension file can be lossless compressed but its image quality cannot compressed.
18) In Geotagging you can add the location in the image.
19) Yes AAC has the higher quality then the MP3 file you can check in any iOS device bcause AAC is by default use extension in iTune
20) Using prodcast the it can record the radio or tv shows show yes we can download it and listen or watch it any time.