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参考答案和解析
正确答案:
   
更多“选择题(共5题,每题1分,满分5分)l (1) is a device that converts images to digital format.A. CopierB. PrinterC. ScannerD. Display”相关问题
  • 第1题:

    一、单项选择题(共20题。每题l分。每题的备选项中,只有1个最符合题意)

    1.航站区空侧应根据飞机运行架次、( )等因素进行合理规划。

    A.机型组合和地面保障服务设施

    B.机型组合和机坪加油设施

    C.最大机型尺寸和地面保障服务设施

    D.飞机载客量和飞机几何尺寸


    正确答案:A

  • 第2题:

    英译汉(共1题,满分5分)

    The invention of the Web brought an extraordinary expansion of digital services


    正确答案:
                

  • 第3题:

    is a device that converts images to digital format.

    A.Copier

    B.Printer

    C.Scanner

    D.Display


    正确答案:C

  • 第4题:

    What is the difference between a CSU/DSU and a modem?()

    A. A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line.

    B. A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line.

    C. A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line.

    D. A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.


    参考答案:D

  • 第5题:

    一、单项选择题:(每题1分,共20分)

    1、《安规》要求作业人员,具备必要的安全生产知识,学会紧急救护法,特别要学会( )。
    A.创伤急救
    B.触电急救
    C.溺水急救
    D.烫伤急救

    答案:B
    解析:
    答案:B 《变电安规》4.3.3

  • 第6题:


    二、多项选择题:(每题1分,共20分)
    1、下列(  )可以不用操作票。
    A.??事故紧急处理
    B.??拉合断路器(开关)的单一操作
    C.??程序操作
    D.??遥控操作


    答案:A,B,C
    解析:

  • 第7题:

    二、 多项选择题:(每题2分,共20分)

    1、雷雨天气,需要巡视室外高压设备时,应穿绝缘靴,并不得靠近( )。
    A. 互感器
    B. 避雷针
    C. 避雷器
    D. 构架

    答案:B,C
    解析:
    答案:BC 《变电安规》5.2.2

  • 第8题:

    二、多项选择题:(每题2分,共20分)

    1、各类作业人员有权拒绝( )。
    A.强令冒险作业
    B.违章指挥
    C.加班工作
    D.带电工作

    答案:A,B
    解析:
    答案:AB 《变电安规》4.5

  • 第9题:

    Which three functions are associated with a Cisco Unified CallManager? ()

    • A、 connects traditional telephony devices to voice over IP infrastructure
    • B、 converts analog signals to digital format
    • C、 performs voice compression
    • D、 performs call processing
    • E、 performs dial plan administration
    • F、 performs signaling and device control

    正确答案:D,E,F

  • 第10题:

    What is the difference between a CSU/DSU and a modem?()

    • A、A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line
    • B、A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line
    • C、A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line
    • D、A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line

    正确答案:D

  • 第11题:

    When comparing analog display inputs to digital display inputs, which of the following is anadvantage that digital has over analog?()

    • A、Allows for higher brightness
    • B、More crosstalk
    • C、Sustains higher resolutions
    • D、Supports widescreen resolutions

    正确答案:C

  • 第12题:

    单选题
    What is the difference between a CSU/DSU and a modem?()
    A

    A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line

    B

    A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line

    C

    A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line

    D

    A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line


    正确答案: A
    解析: 暂无解析

  • 第13题:

    一、单项选择题(共20题,每题l分。每怒的备选项中,只有1个最符合题意)

    1.第三代移动通信WCDMA标准是在( )移动通信技术的基础上发展起来的

    A.TD—SCDMA B.GSM

    C.IS—95CDMA D.CDMA2000


    正确答案:B

  • 第14题:

    选择题(共5题,每题1分,满分5分)

    1. Log

    A.ロツダB. ロヅツクC. ログD. ロツク


    正确答案:

     

     

  • 第15题:

    ( )accepts documents consisting of text and/or images and converts them to machine-readable form.

    A. A printerB. A scannerC. A mouseD. A keyboard


    正确答案:B

  • 第16题:

    某试卷由15道选择题组成,每道题有4个选项,其中只有一项是符合试题要求的,甲有6道题是能确定正确选项,有5道能排除2个错误选项,有4道能排除1个错误选项,若从每题排除后剩余的选项中选一个作为答案,则甲得满分的概率为( )


    答案:B
    解析:

  • 第17题:

    一、单项选择题:(每题0.5分,共25分)
    1、经常有人工作的场所及施工车辆上宜配备急救箱,存放急救用品,并应指定(  )经常检查、补充或更换。


    答案:D
    解析:
    A.??技术员 B.??管理员 C.??单人 D.??专人

  • 第18题:

    二、多项选择题:(每题1分,共10分)
    1、倒闸操作的类别有(  )。
    A.??监护操作 B.??单人操作
    C.??检修人员操作 D.??遥控操作


    答案:A,B,C
    解析:

  • 第19题:

    一、单项选择题:(每题0.5分,共25分)
    1、作业人员对本规程应(  )考试一次。
    A.??每半年 B.??每年 C.??每两年 D.??每三年


    答案:B
    解析:

  • 第20题:

    一、单项选择题:(每题1分,共20分)

    1、作业人员的基本条件之一:经( )鉴定,作业人员无妨碍工作的病症。
    A. 体检
    B. 医疗机构
    C. 医师
    D. 专业机构

    答案:C
    解析:
    答案:C 《变电安规》4.3.1

  • 第21题:

    What does DVI stand for?()

    • A、Dual Visual Interface
    • B、Display Vertical Interface
    • C、Digital Visual Interface
    • D、Digital Vision Interchange

    正确答案:C

  • 第22题:

    What are two steps that are taken when a router converts a voice signal from analog to digital form?()

    • A、sampling
    • B、packetization
    • C、quantization
    • D、serialization

    正确答案:A,C

  • 第23题:

    单选题
    What is the difference between a CSU/DSU and a modem?()
    A

    A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line.

    B

    A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line.

    C

    A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line.

    D

    A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.


    正确答案: B
    解析: 暂无解析