Modern computers based on ( ) are millions to billions oftimes more capable than the early computers, which occupy a fraction of thespace. Simple computers are small enough to fit into mobile devices, an mobilecomputers can be powered by small batteries. Personal computers in their variousforms are icons of the Information Age and are what most people think of as‘computers’.

[单选题]Modern computers are electronic and(66)devices. The basic building block of a modem computer is a(67).A．chemicalB．digitalC．phisicalD．anal0g

[单选题]Computers are very important to modern life．Many people think that in the f

[单选题]Computers are very important to modern life．Many people think that in the f

[单选题]Computers are very important to modern life．Many people think that in the f

[单选题]Computers are very important to modern life．Many people think that in the f

[单选题]Computers are very important to modern life．Many people think that in the f

[试题]Computers will become more advanced and they will also become easier to use.Improved speed recognition will make the operation of a computer easier. Virtual reality（虚拟现实）， the technology of (71) with a computer using all of the human senses, will also

[单选题]So involved with their computers _______ that leaders at summer computer caps often have to force them to break for sports and games.A． became the cildren B become the children C had the children become D do the children become

[单选题]The(72)is a collection of computers connected together by phone lines that allows for the global sharing of information.A．interface .B．InternetC．LAND．WWW

[单选题]Applications put computers to practical business (67) ，but below the (68) it's the heart of an operating system-the kernel-that provides the technical wizardry to juggle multiple program，connect to networks and store (69) ．A． traditional kernel prov