Q
- QBIC
- QFP
- Qi
- QIC
- QNX
- QoS parameters
- QPKI
- QR code
- QRSS
- quadrangle
- quadrant
- quadratic curve
- quadrature amplitude modulation
- quadrature encode
- quadrature modulation
- quadtree
- qualified name
- qualifier
- qualitative assessment
- qualitative modeling
- quality
- quality assurance
- quality attribute
- quality estimation
- Quality of Experience
- quality of life
- Quality of Service
- quality of service routing
- quantifiable
- quantifier
- quantile
- quantitative data
- quantitative field
- quantitative modeling
- quantization
- quantization error
- quantization level
- quantum
- quantum computer
- quantum cryptography
- quantum dot
- quantum holography
- quantum mechanics
- quantum repeater
- quarantine
- quartet coding
- quartile
- query
- query plan
- question mark