What is the maximum positive denary number representable in an 8-bit signed integer using Two's Complement?, 255, 127, 256, 128, What is a main characteristic of Lossy Compression compared to Lossless Compression?, Enables perfect reconstruction of original data, Guarantees higher file accuracy, Results in slower download speeds, Produces smaller file sizes by permanently removing data, A line of pixels in a bitmap image contains: W W W W B B B W W. Using Run-Length Encoding (RLE) with (count, character) representation, what is the compressed output?, 4W 7B 9W, 9W 3B 4W, 4W 3B 2W, W4 B3 W2, What is the primary purpose of file compression?, Speeds up file transfer by reducing file size, Introduces deliberate processing errors into data files, Slows down file transfer speeds, Increases file size for higher security, Which system is commonly used in computer architecture to represent negative signed binary integers?, Extended ASCII, Binary Coded Decimal (BCD), Two's Complement, ASCII, Which character encoding standard was designed to represent character sets from almost all written global languages?, ASCII, Binary Coded Decimal (BCD), Extended ASCII, Unicode, What is the purpose of the File Header in a bitmap image file?, To contain metadata about the bitmap file format and layout, To compress the image pixels using lossy algorithms, To determine the colour palette limits of the monitor, To store the raw binary pixel data, Which of the following is the key characteristic of Lossless Compression?, Reduces file accuracy to save space, Allows perfect reconstruction of the original data, Permanently deletes non-essential data, Increases overall storage size, How is analogue sound converted into digital data during the sampling process?, By measuring the number of pixels per centimetre of the sound wave, By mapping bit patterns directly into main memory, By measuring the amplitude of the sound wave at fixed time intervals, By assigning a solid colour to each pixel, An uncompressed monochrome bitmap image has dimensions of 128 x 64 pixels. What is the minimum file size of the raw pixel data in bytes?, 2048 bytes, 8192 bytes, 512 bytes, 1024 bytes

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