● 某软件工程项目各开发阶段工作量的比例如下表所示

假设当前已处于编码阶段，3000行程序已完成了1200行，则该工程项目开发进度已完成的比例是__(61)__。

A.29% B.45% C.59% D.63%
 

● 某软件工程项目各开发阶段工作量的比例如下表所示

假设当前已处于编码阶段，3000行程序已完成了1200行，则该工程项目开发进度已完成的比例是()。

(61)A.29% B.45% C.59% D.63%
 

● 在选择多媒体数据压缩算法时需要综合考虑__(62)__。

(62)A.数据质量和存储要求

B.数据的用途和计算要求

C.数据质量、数据量和计算的复杂度

D.数据的质量和计算要求
 

● 在MPEG系列标准中，__(63)__最适合在共用电话交换网(PSTN)上实时传输视频数据。

(63)A.MPEG-1

B.MPEG-2

C.MPEG-4

D.MPEG-7
 

● 要在网络上发布彩色动画文件，可以采用的存储格式是 __(64)__。

(64)A.BMP

B.JPEG

C.MP3

D.GIF
 

● 为保证用户在网络上边下载边观看视频信息，需要采用__(65)__技术。

(65)A.流媒体

B.数据库

C.数据采集

D.超链接
 

● MIDI enables people to use __(66)__ computers and electronic musical instruments.There are actually three components to MIDI， the communications "__(67)__ "， the Hardware Interface and a distribution __(68)__ called "Standard MIDI Files".In the context of the WWW， the most interesting component is the __(69)__Format.In principle， MIDI files contain sequences of MIDI Protocol messages.However， when MIDI Protocol __(70)__ are stored in MIDI files，the events are also time-stamped for playback in the proper sequence.Music delivered by MIDI files is the most common use of MIDI today.

(66)A.personal

B.electronic

C.multimedia

D.network
 

(67)A.device

B.protocol

C.network

D.controller

(68)A.format

B.text

C.wave

D.center
 

(69)A.Video

B.Faxmail

C.Graphic

D.Audio
 

(70)A.messages

B.packets

C.frame

D.information

● Certificates are __(71)__ documents attesting to the __(72)__ of a public key to an individual or other entity.They allow verification of the claim that a given public key does in fact belong to a given individual.Certificates help prevent someone from using a phony key to __(73)__ someone else.In their simplest form， Certificates contain a public key and a name.As commonly used， a certificate also contains an __(74)__ date， the name of the CA that issued the certificate， a serial number， and perhaps other information.Most importantly， it contains the digital __(75)__ of the certificate issuer.The most widely accepted format for certificates is X.509， thus， Certificates can be read or written by any application complying with X.509.

(71)A.text

B.data

C.digital

D.structured
 

(72)A.connecting

B.binding

C.composing

D.conducting

(73)A.impersonate

B.personate

C.damage

D.control
 

(74)A.communication

B.computation

C.expectation

D.expiration
 

(75)A.signature

B.mark

C.stamp

D.hypertext