Science and Technology

Clues in this puzzle

Across

• Set of computer instructions behind software (4)
• Man-made relay stationed in orbit around the Earth (9)
• Semiconductor device used to amplify or switch electrical signals (10)
• Coherent beam of light amplified by stimulated emission (5)
• Hereditary unit found along a DNA strand (4)

Down

• Raw facts processed into useful information (4)
• Negatively charged subatomic particle orbiting an atomic nucleus (8)
• Laboratory instrument revealing things too tiny for the naked eye (10)
• Fundamental functional unit of living organisms (4)
• Detection system using reflected radio waves (5)
• Centralized machine delivering web resources on demand (6)
• Pertaining to sound or the speed of sound (5)
• Eight-bit unit that holds a single keystroke (4)

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