Safe mode 
Sample 
Sample rate 
Sample size 
Save 
Save As 
Scalable font 
Scan 
ScanDisk 
Scanner 
Scratchpad memory 
Screen 
Screen angle 
Screen attribute 
Screen border 
Screen buffer 
Screen burn 
Screen capture 
Screen font 
Screen grab 
Screen saver 
Scroll 
Scroll arrows 
Scroll bar 
Scroll Lock key 
SCSI 
Search 
Search and replace 
Sector 
Security 
Seek 
Seek time 
Select 
Selection 
Selection handle 
Selection tool 
Send To command 
Sensitivity 
Sequencer 
Serial port 
Server 
Service provider 
Session 
Share-level access 
Shared folder 
Shareware 
Sheet-feed attachment 
Shell 
Shell out 
Shielded cable 
Shortcut 
Shut down 
Signal 
Signature 
Silicon chip 
Silicon or RAM disk 
SIMM 
Simple device 
Simulation 
Single-speed 
Site licence 
Sixteen-bit 
Sleep 
SLIP 
Small Computer Systems Interface 
SMT 
.SND 
Snow 
Soak 
Software 
Software licence 
Software life cycle 
Software-only video playback 
Solid colour 
Solid font printer 
Solid modelling 
Sound bandwidth 
Soundcard 
Sound file 
Sound Recorder 
Sound waves 
SoundBlaster 
Source file 
Source object 
Speech recognition 
Speech synthesis 
Spell check 
Splash screen 
Split screen 
Standard mode 
Start button 
Startup disk 
Startup folder 
Startup screen 
Static RAM 
Status bar 
Stereo or stereophonic 
Stick model 
Story board 
String 
Stroke 
Style 
Style sheet 
Sub-directory 
Sub-menu 
Sub-script 
Super VGA (SVGA) 
Supercomputer 
Superscript 
Surface-mount technology 
Surge 
SVGA 
Swap 
Swap file 
Symbol font 
System 
System backup 
System colours 
System disk 
System Monitor 
System software