11. Some researchers and manufacturers want to replace these passive components with tiny machines called microelectromechanical systems, or MEMS. 12. Before, the font was a passive component ( of the software ), but with AsiaSurf the font is active. 13. The Cauer topology uses passive components ( shunt capacitors and series inductors ) to implement a linear analog filter. 14. For voltage mode devices, each block usually contains an operational amplifier in combination with programmable configuration of passive components . 15. Capacitors, together with resistors, inductors, and memristors, belong to the group of " passive components " used in electronic equipment. 16. Where passive components come in surface mount packages, their values are identified with printed alphanumeric codes instead of a color code. 17. Consider this : The Intel 486 motherboard had about 100 passive components , but the AMD Athlon motherboard has more than 600. 18. Kohler's resettable fuse is now a passive component of many batteries in computers, VCRs, cars, and a host of other products. 19. Each Boeing B-29 ( put into service in 1944 ) carried 300 1000 vacuum tubes and tens of thousands of passive components . 20. The tube itself is a passive component consisting of either a simple reflective interior coating or a light conducting fiber optic bundle.