当前位置: 首页 > 问题分类 > 计算机类考试 > 软考初级 > 问题详情
问题

键盘按功能可分为4个大区,在如图3-2所示的键盘中,(4)是编辑控制键区。

A.①处

B.②处

C.③处

D.④处

参考答案
正确答案:C
解析:键盘是向计算机发布命令和输入数据的重要输入设备。在计算机中,它是必备的标准输入设备。键盘按功能可分为4个大区,即编辑控制键区、输入区、功能键区和数字键区。在图 3-2中,①处是功能键区,②处是输入区,③处是编辑控制键区,④处是数字键区(也称为小键盘)。
您可能感兴趣的试题
  • Local bus can increase the data throughput. The bus that is most frequently used is(75)。

    A.VESA

    B.EISA

    C.MCA

    D.PCI

  • A complete computer system contains(74)。

    A.arithmetic unit, control unit and memory

    B.input/output devices and mainframe

    C.mainframe. and programs of utility

    D.hardware system and software system

  • The operation of the Internet is closely monitored by the routers. When something unexpected occurs, the event will be reported by the protocol(73)。

    A.IGMP

    B.ICMP

    C.IP

    D.OSPF

  • An 8-bit video card uses(72)bits to store information about each pixel, and thus can display 256 different colors.

    A.8

    B.16

    C.32

    D.1