Choose the best answer to the following questions according to the text we learnt 1. A computer system consists of two main elements:______ A. input devices, output devices B. hardware, software C. CPU, memory D. RAM, ROM 2. The peripherals of the computer can be classified into two groups:______ A. data Bus, cables B. Pointing device, output devices C. input devices, output devices D. control Bus, inner Bus 3. Users can type in text and commands using the ________, which is one of the most important input devices. A. mouse B. scanner C. microphone D. keyboard 4. The most useful pointing device is a ______, which allows the user to point to elements on the screen. A. digital camera B. mouse C. PC camera D. keyboard 5. The characteristic of the LCD is ________. A. taking up a lot of space B. taking up little space C. displaying text and images with greater unclarity D. A and C 6. ______ is the control and data processing center of the whole computer system. A. Memory B. Motherboard C. CPU D. Bus 7. When the computer is turned off, any information in ______will be lost. A. RAM B. ROM C. storage D. memory 8. _____ is the most popular Bus to be used on a motherboard. A. Address Bus B. Data Bus C. Control Bus D. PCI Bus 9. Two main components on the motherboard are______. A. memory and boards B. CPU and memory C. arithmetic unit and control unit D. ROM and RAM 10. _____ does not belong to the output devices. A. facsimile machine B. headset C. speaker D. microphone