| | ݃Aô‹ | îI› |
| | Open system interconnection | Fø‰î º¬ø¬ñ‚ |
| | Opening a file | «è£Š¹ˆ Føˆî™ |
| | Operand | ªêò™ãŸH |
| | Operating system | Þò‚è º¬ø¬ñ |
| | Operating system disk | Þò‚è º¬ø¬ñ õ†´ |
| | Operation | ªêò™ð£´ |
| | Operation analysis | ªêò™ð£†´Š ð°Šð£Œ¾ |
| | Operation centre | ªêò™ð£†´ ¬ñò‹ |
| | Operation code | ªêò™ð£†´‚ °Pº¬ø |
| | Operation personal | ªêò™ð£†´ ܽõô˜ |
| | Operation, AND | à‹ ªêò™ð£´ |
| | Operation, arithmetical | èí‚W†´„ ªêò™ð£´ |
| | Operation, binary arithmetic | Þ¼ñ‚ èí‚W†´„ |
| | Operation, binary boolean | Þ¼ñŠ ÌLò¡ ªêò™ð£´ |
| | Operation, complementary | GóŠð™ ªêò™ð£´ |
| | Operation, computer | èEŠªð£P„ ªêò™ð£´ |
| | Operation, if - then | Üšõ£ªøQ™ ªêò™ð£´ |
| | Operation, logical | î¼‚è„ ªêò™ð£´ |
| | Operation, NOR | Þ™ Ü™ô¶ ªêò™ð£´ |
| | Operational management | ªêò™ð£†´ «ñô£‡¬ñ |
| | Operations research | ªêò™ð£†´ ÝŒ¾ |
| | Operator | ªêò™ð£†ì£÷˜ / ªêòŸ°P |
| | Operator, machine | ªð£P„ ªêò™ð£†ì£÷˜ |
| | Optical character | åOõ ⿈¶ |
| | Optical character reader | åOõ ⿈¶Š ð®ŠH |
| | Optical communication | åOõˆ ªî£ì˜¹ |
| | Optical disk | åOõ õ†´ |
| | Optical Fibre | åOõ Þ¬ö |
| | Optical laser disk | åOõ «ôê˜ õ†´ |
| | Optical mark reader | åOõ‚ °P ð®ŠH |