JPEG and PNG are widely used raster image formats suitable for photographs and diagrams on the web and in presentations. JPEG supports lossy compression, making it good for photos, while PNG offers lossless compression and transparency. Both are supported by almost all browsers and presentation software. Therefore, they correctly represent typical image file formats.
Option A:
Option A is correct because ICT courses commonly cite JPEG and PNG as standard image formats, and their properties are tailored to visual media rather than text or audio.
Option B:
Option B, DOCX and XLSX, are office document formats for word processing and spreadsheets, not for storing standalone digital images.
Option C:
Option C, MP3 and WAV, are audio file formats used for sound recordings and cannot substitute for image formats.
Option D:
Option D, PDF and PPTX, represent document and presentation formats that may contain images but are not image formats themselves.
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