H
HA - high availability (amount of time a system is operational - level of importance given to uninterrupted service)
HA - house account (business' earliest customers who have remained customers as the business grows)
HCA - historical cost accounting (reporting of assets at original cost)
HDLC - High-level Data Link Control (method of creating and transmitting packet frames across networks)
HECM - Home Equity Conversion Mortgage (reverse mortgage)
HEL - Home Equity Loan
HHS - U.S. Department of Health and Human Services
HIFO - highest-in, first-out (mutual fund accounting - shares with highest costs are sold first)
HIPAA - Health Insurance Portability and Accountability Act of 1996
HIPO - hierarchy input-process-output
HITECH - Health Information Technology for Economic and Clinical Health Act of 2009
HLT - Highly Leveraged Transaction (loan to a highly leveraged business)
HMDA - Home Mortgage Disclosure Act
HMI - human-machine interface (where users interact/communicate with a computer system - user station)
HQ - headquarters
HR - U.S. House of Representatives
HR - human resources
HRA - human resource accounting (method of valuing the human factor costs/measuring the impact of decisions on employees)
HSA - Health Savings Account
HTM - held-to-maturity (debt security intended to be held to maturity)
HUD - Department of Housing and Urban Development
HW/SW - hardware/software