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Which of the following elements can be called the key element of a computer?(71)A．printerB．CPUC．mouseD．keyboard

题目

Which of the following elements can be called the key element of a computer?(71)

A．printer

B．CPU

C．mouse

D．keyboard

相似考题

1.● For （71） service, we need a virtual-circuit subnet. Let us see how that works. Theidea behind virtual circuits is to avoid having to choose a new （72） for every packet sent.Instead, when a connection is established, a route from the （73） machine to the destinationmachine is chosen as part of the connection setup and stored in tables inside the （74） . Thatroute is used for all traffic flowing over the connection, exactly the same way that thetelephone system works. When the connection is released, the virtual circuit is alsoterminated. With connection-oriented service, each packet carries an （75） telling whichvirtual circuit it belongs to.（71）A. connectionless B. connection-oriented C. datagram D. telegram（72）A. processor B. device C. route D. terminal（73）A. source B. route C. destination D. host（74）A. connections B. resources C. bridges D. routers（75）A. address B. identifier C. interface D. element

2.String[] elements={"for","tea","too"};String first=(elements.length>0)?elements[0]null;What is the result?()A.Compilation fails.B.An exception is thrown at runtime.C.The variable first is set to null.D.The variable first is set to elements[0].

3.String[]elements={for”,tea”,too”};Stringfirst=(elements.length>0)?elements[0]null;Whatistheresult?()A.Compilationfails.B.Anexceptionisthrownatruntime.C.Thevariablefirstissettonull.D.Thevariablefirstissettoelements[0].

4.You’re going to have a quiz ( )by another two in the ( )month.A. followed,followedB. followed,followingC. following,followedD. following,following

更多“Which of the following elements can be called the key element of a computer?(71)A.printerB ”相关问题

  • 第1题：

    Mobile computers-which(71)laptops, notebooks, subnotebooks and handhelds-(72)so ubiquitous in such a short time, no surprise to hear who say: "It will define the leading edge(73)the next five years or so." The most remarkable(74)mobile computers is the amount of data storage and memory packed(75)their tiny boxes. These devices not only handle windows easily but also run storage-hungry programs.

    A．included

    B．include

    C．have included

    D．have become

    E．had become


    正确答案：B

  • 第2题：

    Password is a secret series of(69)that enables a user to access a file, computer, or program. On multi-user systems, each user must enter his or her password before the computer will respond to(70). The password helps ensure that(71)users do not access the computer. In addition, data files and programs may require a password.

    A．symbol

    B．sign

    C．characters

    D．characteristic


    正确答案：D
    解析：本题意思为“密码是一组字符串…”，characteristic此处译为“字符串”。

  • 第3题：

    The(71)is a combination of keys that allows the user to activate a program function without clicking a series of menus options.

    (71)A.shortcut-key

    B.quick-key

    C.fast-key

    D.rapid-key


    正确答案：A

  • 第4题：

    Each machine in the ineternet is assigned a unique network address, called__(71)__,that is used to identify the machine for communication purposes.

    A.MAC address

    B.IP address

    C.host address

    D.domain name address


    正确答案：B
    在因特网中的每一台机器都被分配了一个唯一的网络地址，称之为IP地址，它被用来标识机器以达到通信的目的。

  • 第5题：

    Given:String[]elements={"for","tea","too"};Stringfirst=(elements.length>0)?elements[0]:null;Whatistheresult?()

    A.Compilationfails.

    B.Anexceptionisthrownatruntime.

    C.Thevariablefirstissettonull.

    D.Thevariablefirstissettoelements[0].


    参考答案：D

  • 第6题：

    给定一个长度为11的散列表ht如下所示，采用双散列法解决冲突，两个散列函数分别为： h1（key)=key%11 h2（key)=key%9+1 请向散列表依次插入关键字为71,24,56,89的集合元素，给出插入完成后的散列表。（10分） i 0 1 2 3 4 5 6 7 8 9 10 ht[i] 23 46 90 49 27


    C

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