ICDL Image Editing (ICDL Foundation)

What is the primary characteristic of a raster image?

• AIt is composed of mathematical paths and anchor points.
• BIt is composed of a grid of individual colored pixels.
• CIt can be scaled infinitely without any loss of quality.
• DIt is stored as a series of geometric formulas.

In which of the following scenarios is a vector graphic more suitable than a raster image?

• ARetouching a high-detail photograph from a digital camera.
• BCreating a logo that needs to be resized for business cards and billboards.
• CApplying complex artistic filters to achieve a watercolor texture.
• DDisplaying a realistic landscape with complex color gradients.

What does the term 'resolution' refer to in digital imaging?

• AThe physical dimensions of the monitor displaying the image.
• BThe number of pixels per unit of length in an image.
• CThe compression ratio used when saving the image file.
• DThe number of colors available in the color palette.

An image has a resolution of 300 ppi. If you change its resolution to 72 ppi without resampling the image, what happens to the physical dimensions when printed?

• AThe printed image becomes smaller because the pixel density is reduced.
• BThe printed image becomes larger because the pixels are spread over a larger physical are…
• CThe physical size remains identical, but the file size on disk is reduced.
• DThe physical size remains identical, but the image colors are desaturated.

Which statement best describes 'lossless' image compression?

• AIt discards imperceptible color details to greatly reduce file size.
• BIt reduces file size without discarding any image data or lowering quality.
• CIt permanently removes pixels from the edges of the image canvas.
• DIt converts all colors to grayscale to save disk storage space.

Why should you avoid repeatedly editing and saving an image in the JPEG format?

• AEach save operation applies lossy compression, leading to cumulative quality degradation.
• BJPEG files will eventually lock and become read-only after a set number of saves.
• CThe file format automatically converts all layers into vector paths.
• DSaving repeatedly changes the color model from RGB to CMYK.

Which of the following file formats is most appropriate for a web graphic that requires a transparent background and lossless compression?

• AJPEG
• BPNG
• CBMP
• DTIFF

You need to save an ongoing image editing project that contains multiple layers, editable text, and vector masks so you can continue editing it later. Which format should you use?

• AGIF
• BPNG
• CPSD
• DSVG

Which color model is based on light addition and is standard for digital displays?

• ACMYK
• BRGB
• CGrayscale
• DHSB

When preparing an image for professional offset printing, which color model should you convert the image to?

• ARGB
• BCMYK
• CIndexed Color
• DLab Color

What is the primary limitation of the GIF file format?

• AIt does not support lossless compression.
• BIt cannot display more than 256 unique colors in an image.
• CIt does not support transparency of any kind.
• DIt is a vector-only format and cannot display raster images.

What is the main advantage of using the SVG format for web graphics?

• AIt provides highly optimized lossy compression for photorealistic images.
• BIt is a vector format, meaning it scales infinitely without pixelation.
• CIt stores metadata about the digital camera that captured the image.
• DIt automatically encrypts the graphic to prevent unauthorized downloads.

What does a color depth of 8 bits per channel (24-bit total for RGB) mean for an image?

• AThe image is restricted to a maximum of 8 colors.
• BEach RGB channel can represent 256 levels of intensity, yielding millions of colors.
• CThe physical dimensions of the image are restricted to 8 inches by 8 inches.
• DThe file size is guaranteed to be exactly 8 megabytes.

In the context of digital imagery, what is the key difference between royalty-free and rights-managed images?

• ARoyalty-free images can be used without paying an initial purchase fee.
• BRoyalty-free images allow unlimited use after a one-time fee, whereas rights-managed imag…
• CRights-managed images are always in the public domain and free to use.
• DRoyalty-free images have no copyright protections and are free for anyone to resell.

Which of the following acts is generally considered a copyright violation in digital image editing?

• ADownloading a copyrighted image from a public search engine and using it on a commercial…
• BPurchasing a stock photo and cropping it to fit a web banner design.
• CCreating an original drawing in an image editor and licensing it under Creative Commons.
• DScanning your own physical painting and saving it as a JPEG file.

Which file format uses lossy compression by default to minimize file size at the expense of absolute image detail?

• ATIFF
• BPSD
• CJPEG
• DPNG

What kind of visual distortion is commonly caused by high compression levels in JPEG files?

• ARaster lines converting into vector anchor points.
• BPixelation artifacts, including blocking and mosquito noise around sharp edges.
• CThe image canvas automatically cropping itself.
• DColors shifting permanently into a grayscale profile.

What does the 'aspect ratio' of a digital image define?

• AThe relationship between the width and the height of the image.
• BThe percentage of compression applied to the image when saved.
• CThe total number of pixels contained in the image file.
• DThe angle at which the photo was captured by the camera.

Why is a resolution of 300 ppi preferred over 72 ppi for printing images?

• APrint devices cannot recognize images saved at 72 ppi and will fail to print.
• BPrinters require a higher density of pixels to produce smooth, sharp details without visi…
• CSaving at 300 ppi automatically converts any image to vector paths for printing.
• DThe 300 ppi print setting consumes significantly less ink than the 72 ppi settings.

What is the primary purpose of EXIF metadata in a digital image file?

• ATo encrypt the file against unauthorized modifications.
• BTo store information about the camera settings, date, time, and location of the photo cap…
• CTo speed up the upload speed of the image to the web.
• DTo convert the raster image into a vector graphic.

You are scanning a small physical postage stamp and want to reprint it at ten times its original size. Which scanner setting should you prioritize?

• ASetting the output to grayscale to reduce scan times.
• BSetting a very high scanning resolution (e.g., 1200 dpi or higher).
• CApplying high JPEG compression directly during the scan.
• DReducing the scan area to be larger than the actual stamp.

Which mode should you select on a flatbed scanner when digitizing a standard glossy photograph?

• ATransparency Mode (for film/slides)
• BReflective Mode (for prints/documents)
• CVector Trace Mode
• DOCR (Optical Character Recognition) Mode

When transferring photos from a digital camera's memory card to a computer, which method ensures the images are copied without any quality loss?

• AUsing a USB cable or memory card reader to copy the original files (RAW or JPEG) directly.
• BTaking a screen screenshot of the camera display when connected.
• CPrinting the images from the camera and scanning them back in.
• DUsing an analog video capture card to stream the images.

What is a key benefit of using a keyboard shortcut (like Print Screen or Cmd+Shift+4) to perform a screen capture?

• AIt automatically converts the captured screen elements into vector paths.
• BIt captures a raster image of the exact contents currently displayed on the monitor.
• CIt automatically translates any foreign language text on the screen.
• DIt increases the screen's hardware display resolution.

Why would you scan an image at 300 dpi instead of 72 dpi if you plan to print it?

• ADPI stands for Dots Per Inch, and 300 dpi matches the standard print quality threshold to…
• BThe 300 dpi scanned file size is much smaller and easier to send.
• CMost printers will reject and refuse to feed paper for any file lower than 300 dpi.
• DScanning at 300 dpi automatically removes red-eye from physical photos.

What is the primary function of the History panel in an image editing application?

• ATo view the chronological list of files opened during the current week.
• BTo track and view each edit action chronologically, allowing you to jump back to any prev…
• CTo automatically save backup copies of the image onto an external hard drive.
• DTo display the metadata history and GPS coordinates of the image.

Which keyboard shortcut is universally used in image editing applications to undo the last action?

• ACtrl+C (or Cmd+C)
• BCtrl+Z (or Cmd+Z)
• CCtrl+S (or Cmd+S)
• DCtrl+A (or Cmd+A)

If you cannot find a specific panel (such as Layers or History) in your workspace, how can you make it visible again?

• AReinstalling the entire image editing software.
• BClicking on the Window menu and selecting the panel's name from the list.
• CDouble-clicking on the canvas area.
• DRestarting the computer.

What is the primary benefit of using a custom Workspace in image editing software?

• AIt increases the RAM allocated to rendering image filters.
• BIt saves a specific layout of panels, toolbars, and menus tailored for your workflow.
• CIt increases the resolution of any image you open.
• DIt automatically registers your work with online copyright databases.

Which of the following describes the function of the application's Zoom tool?

• AIt crops the image to focus on a smaller area.
• BIt enlarges or reduces the magnification of the image view on the screen without changing…
• CIt permanently increases the pixel count of the image file.
• DIt adjusts the camera lens focus retroactively.

How do you create a new blank document with specific dimensions and resolution?

• ABy selecting File > Open and choosing an empty text document.
• BBy selecting File > New (or Ctrl+N/Cmd+N) and entering the width, height, and resolution…
• CBy dragging any image file from your computer into the trash bin.
• DBy selecting Layer > Flatten Image before opening a file.

Which tool allows you to pan around a large image when you are zoomed in close and cannot see the entire canvas?

• AThe Crop tool
• BThe Hand tool (or holding the Spacebar)
• CThe Magic Wand tool
• DThe Eyedropper tool

What is the purpose of Rulers in the application workspace, and how do you toggle them?

• AThey are used to crop images and are toggled via the Filter menu.
• BThey display physical measurement scales along the top and left edges and can be toggled…
• CThey measure screen brightness and are toggled in application preferences.
• DThey restrict paint brush strokes to straight lines and are toggled in the Brush palette.

How can you place a horizontal Guide line onto your canvas to align graphic elements?

• ABy drawing a line across the image with the Brush tool.
• BBy clicking on the horizontal ruler and dragging down onto the canvas area.
• CBy exporting the file as a PNG and re-importing it.
• DBy using the Eraser tool with the Shift key held down.

Which tool options setting should you modify to change the unit of measurement displayed on the rulers (e.g., from Pixels to Centimeters)?

• AFile > Save As settings
• BApplication Preferences > Units & Rulers
• CImage > Mode settings
• DThe Crop tool Options bar

You want to align a set of geometric shapes exactly to a grid. Which feature should you turn on to make elements cling to grid lines automatically?

• AAuto-Crop
• BSnap to Grid
• CAnti-aliasing
• DLayer Merging

What is the function of the Help search or User Guide feature in an image editor?

• ATo send a support request directly to your internet service provider.
• BTo search for tools, features, tutorials, and documentation explaining how to use the sof…
• CTo automatically edit your photos using AI support tickets.
• DTo search the web for royalty-free stock photos.

Which selection tool is best suited for drawing a custom freehand path around an irregularly shaped object?

• ARectangular Marquee tool
• BLasso tool
• CMagic Wand tool
• DElliptical Marquee tool

How can you restrict a selection to a perfect square when using the Rectangular Marquee tool?

• ABy holding down the Spacebar while drawing.
• BBy holding down the Shift key while dragging the mouse.
• CBy double-clicking the canvas before dragging.
• DBy setting the opacity of the tool to 50%.

Which selection tool allows you to select areas of an image based on color similarity?

• APolygonal Lasso tool
• BMagic Wand tool
• CCrop tool
• DClone Stamp tool

How does the 'Tolerance' setting affect the behavior of the Magic Wand tool?

• AIt determines how fast the tool selects pixels.
• BIt controls the range of similar color values that will be included in the selection.
• CIt adjusts the edge feathering of the selection border.
• DIt sets the transparency level of the selected pixels.

You have a selection outline active on your screen. You want to select everything outside of this outline instead. Which command should you choose?

• ASelect > Deselect (Ctrl+D/Cmd+D)
• BSelect > Inverse (Ctrl+Shift+I / Cmd+Shift+I)
• CEdit > Paste Special
• DImage > Canvas Size

How can you add more pixels to an existing active selection outline?

• ABy holding the Alt (or Option) key while drawing a new selection.
• BBy holding the Shift key while drawing a new selection.
• CBy double-clicking the center of the selection outline.
• DBy selecting Layer > Merge Layers.

What is the effect of 'Feathering' a selection?

• AIt sharpens the colors inside the selection outline.
• BIt softens the transition edges of the selection by blending the boundary pixels.
• CIt converts the selection outline into a series of vectors.
• DIt automatically deletes everything outside the selection.

What is the primary difference between changing the 'Image Size' and changing the 'Canvas Size'?

• AImage Size modifies the color depth, while Canvas Size changes the resolution.
• BImage Size scales the entire image and its contents, while Canvas Size changes the worksp…
• CCanvas Size can only be used on vector layers, while Image Size is for raster layers.
• DThere is no difference; both perform the exact same operation.

Which tool is used to discard unwanted outer areas of an image, changing the canvas size to match the kept area?

• AThe Brush tool
• BThe Crop tool
• CThe Lasso tool
• DThe Move tool

If you want to mirror an image so that the left side becomes the right side, which command should you run?

• ARotate 90 degrees Clockwise
• BFlip Image Horizontal
• CRotate 180 degrees
• DSkew Selection