SISD

SISD can refer to:

• Single instruction, single data, a computer processor architecture
• CCL5, an 8kDa protein also using the symbol SISD
• Sixteen-segment display
• Several school districts in Texas. See List of school districts in Texas - S
• Saginaw Intermediate School District (Michigan)
• Southeast Island School District (Alaska)
• Swiss International Scientific School in Dubai

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