HOOD - Hierarchical Object Oriented Design

HOOP - Hypertext Object Oriented Programming

HOOPS - Hierarchical Object Oriented Picture System

HOP - High Order Perception

HP - Hewlett Packard

HP/UX - Hewlett - Packard's version of Unix

HPC - High Performance Computing

HPC - Handheld PC

HPCC - High - Performance Computing and Communications

HPF - High Performance Fortran

HPFS - High Performance File System

HPGL - Hewlett - Packard Graphics Language

HPIB - Hewlett - Packard Interface Bus

HPPI - High Performance Peripheral Interface

HPPLL - Hewlett - Packard Printer Control Language

HPSG - Head-driven Phrase Structure Grammar

HRA - Historical Relational Algebra

HRSC - High Resolution Source Coding

HSBU - High - Speed Buffer Unit

HSDB - High Speed Ring Bus

HSM - Hierarchical Storage Management

HSP - High Speed Printer

HSSI - High Speed Serial Interface

HST - High Speed Technology

HSTS - Hubble Space Telescope Scheduling