- access method
- access mode
- access name
- access number
- access permission
- access priority
- access privileges
- access protocol
- access rate
- Access Rights
- access speed
- access switch
- access time
- access type
- accessor
- accordion fold
- account file
- accounting documents
- accounting management
- accumulate
- accumulated deviation
- accumulative carry
- ace
- acentric element
- acetate disk
- accumulation
- accumulation curve
- accumulation factor
- accumulator
- accumulator carriage
- accumulator register
- acentric
- acetate tape
- acknowledgement
- acorn tube
- acoustic absorber
- acoustic absorption
- acoustic absorptivity
- acoustic amplifier
- acoustic coupler
- acoustic dispersion
- acoustic filter
- acoustic hologram
- acoustic impulse
- acoustic loss
- acoustic processor
- acoustic receiver
- acoustic storage
- acoustical broad
- acoustical enclosure
- acoustical resonance
- acoustical resonator
- acoustical tile
- acronym
- actinic light
- action bar
- action description
- action entry
- action integral
- action limits
- action message
- action portion
- action space
- action statement
- activating
- activation record
- activation stack
- active address
- active application
- Active balance
- active bus
- active cell
- active chart
- active component
- active computer
- Active Desktop
- active directory
- active document
- active element
- active field
- active file
- active filter
- active gateway
- active index
- active keyboard
- active line
- active link
- active material
- active modules
- active monitor
- active object
- active pane
- active partition
- active position
- active record
- active region
- active sensing
- active sheet
- active slide
- active star