9.程控電話的縮位撥號(hào)服務(wù)功能可將用戶常用的5到20個(gè)電話號(hào)碼縮編為_(kāi)___號(hào)碼，存入程控交換機(jī)，使用時(shí)只需撥縮位號(hào)碼，即可接通被叫用戶。

A.1-2位                                                         B.2位     

C.1位                                                            D.3位

10.3G手機(jī)采用的是第____代移動(dòng)通信技術(shù)。

A.一                                                              B.二 

C.三                                                              D.四

11.三類(lèi)傳真機(jī)傳送文稿的幅面一般為

A.B3                                                              B.16K     

C.A3                                                              D.A4

12.靜電復(fù)印機(jī)一般由____、成像系統(tǒng)、輸紙系統(tǒng)、控制系統(tǒng)、機(jī)械驅(qū)動(dòng)系統(tǒng)等5大系統(tǒng)組成。

A.曝光系統(tǒng)                                                    B.電源系統(tǒng)    

C.激光系統(tǒng)                                                    D.定影系統(tǒng)

13.一體化速印機(jī)的印刷速度可達(dá)每分鐘____張以上。

A.50                                                              B.60 

C.100                                                             D.80

14.數(shù)碼攝像機(jī)采用____格式來(lái)存儲(chǔ)拍攝的視頻圖像數(shù)據(jù)。

A.VHS                                                           B.MPEG—4   

C.VHS—C                                                      D.S-VHS

15.基于____標(biāo)準(zhǔn)的DVD激光影碟機(jī)是國(guó)內(nèi)家用視頻領(lǐng)域的主流產(chǎn)品。

A.MPEG—1                                                   B.MPEG—2

C.MPEG—4                                                   D.MPEG—3

16.掌上電腦的主要用途是移動(dòng)中進(jìn)行個(gè)人____處理。

A.電話                                                           B.短信    

C.文本                                                           D.數(shù)據(jù)

17.數(shù)碼錄音筆可以通過(guò)____非常方便地與計(jì)算機(jī)連接。

A.串口                                                           B.并口    

C.USB接口                                                    D.PS/2口

18.____是衡量數(shù)字?jǐn)z像頭的重要技術(shù)指標(biāo)之一。

A.視頻轉(zhuǎn)換速度                                             B.視頻色彩    

C.轉(zhuǎn)換后數(shù)據(jù)格式                                         D.圖像分辨率