What is the decimal value of the following 8-bit two's complement number? 1111 1001A．-7B．-3C．3D．7

题目

What is the decimal value of the following 8-bit two's complement number? 1111 1001

A．-7

B．-3

C．3

D．7

相似考题

1.●What is the decimal value of the binary value 10010？ (70) .(70) A．18B．20C．14D．15

2.What is the decimal value of the following 32-bit two's complement number?1111 1111 1111 1111 1111 1111 1100A．-8B．-4C．4D．8

3.The corresponding decimal value of the binary number 100101 is(74)。A．35B．36C．37D．38

4.What is the decimal value of the binary value 10010？A．16B．17C．18D．19

更多“What is the decimal value of the following 8－bit two's complement number? 1111 1001A.－7B.－ ”相关问题

  • 第1题：

    what’s your seaman’s book number?


    正确答案：My seaman’s book number is A123456

  • 第2题：

    Which of the following are all valid DB2 data types?()

    A.LONG VARCHAR, SMALLINT, NUMBER, BLOB

    B.DECIMAL, DATE, DBCLOB, INTERVAL

    C.NUMERIC, TIMESTAMP, BYTE, FLOAT

    D.NUM, TIME, XML, DOUBLE


    参考答案：D

  • 第3题：

    What two statistics appear in show frame－relay map output?()

    A. The number of FECN packets that are received by the router

    B. The number of BECN packets that are received by the router

    C. The ip address of the local router

    D. The value of the local DLCI

    E. The status of the PVC that is configured on the router


    参考答案：D, E

  • 第4题：

     Derek has created a view in the sales.nsf db. Derek wants the sales value column in the view to be punctuated to display two decimal places . which one of the following should he do?（）

    • A、 use the @function @decimal in the column formula in the view 
    • B、 select decimal on the numbers tab in the view properties box 
    • C、 select decimal on the numbers tab in the column properties box
    • D、 use the @function @decimal to format the value in the field on the form that will display in the view 

    正确答案:C

  • 第5题：

    What two statistics appear in show frame-relay map output?（）

    • A、The number of FECN packets that are received by the router
    • B、The number of BECN packets that are received by the router.
    • C、The ip address of the local router
    • D、The value of the local DLCI
    • E、The status of the PVC that is configured on the router

    正确答案:D,E

  • 第6题：

    What two statistics appear in show frame-relay map output?（）

    • A、The number of FECN packets that are received by the router
    • B、The number of BECN packets that are received by the router
    • C、The ip address of the local router
    • D、The value of the local DLCI
    • E、The status of the PVC that is configured on the router

    正确答案:D,E

  • 第7题：

    Which of the following are all valid DB2 data types?（）

    • A、LONG VARCHAR, SMALLINT, NUMBER, BLOB
    • B、DECIMAL, DATE, DBCLOB, INTERVAL
    • C、NUMERIC, TIMESTAMP, BYTE, FLOAT
    • D、NUM, TIME, XML, DOUBLE

    正确答案:D

  • 第8题：

    You are creating a DataTable. You use the following code segment to create the DataTable. (Line numbers are included for reference only.) 01 Dim dt As New DataTable("Products") 02 dt.Columns.Add(New DataColumn("Price", _ GetType(Decimal))) 03 dt.Columns.Add(New DataColumn("Quantity", _ GetType(Int32))) 04 Dim dc As DataColumn = New DataColumn("Total", _ GetType(Decimal)) 05 dt.Columns.Add(dc) You need to ensure that the Total column is set to the value of the Price column multiplied by the Quantity column when new rows are added or changed. What should you do? （）

    • A、Add the following code segment after line 05. dc.ExtendedProperties("Total") = "Price * Quantity"
    • B、Add the following code segment after line 05. dc.Expression = "Price * Quantity"
    • C、Write an event handler for the DataTable's TableNewRow event that updates the row's Total.
    • D、Write an event handler for the DataTable's ColumnChanged event that updates the row's Total.

    正确答案:B

  • 第9题：

    单选题
    You are creating a DataTable. You use the following code segment to create the DataTable. (Line numbers are included for reference only.) 01 Dim dt As New DataTable("Products") 02 dt.Columns.Add(New DataColumn("Price", _ GetType(Decimal))) 03 dt.Columns.Add(New DataColumn("Quantity", _ GetType(Int32))) 04 Dim dc As DataColumn = New DataColumn("Total", _ GetType(Decimal)) 05 dt.Columns.Add(dc) You need to ensure that the Total column is set to the value of the Price column multiplied by the Quantity column when new rows are added or changed. What should you do? （）
    A

    Add the following code segment after line 05. dc.ExtendedProperties(Total) = Price * Quantity

    B

    Add the following code segment after line 05. dc.Expression = Price * Quantity

    C

    Write an event handler for the DataTable's TableNewRow event that updates the row's Total.

    D

    Write an event handler for the DataTable's ColumnChanged event that updates the row's Total.


    正确答案： A
    解析： 暂无解析

  • 第10题：

    多选题
    What two statistics appear in show frame-relay map output?（）
    A

    The number of FECN packets that are received by the router

    B

    The number of BECN packets that are received by the router

    C

    The ip address of the local router

    D

    The value of the local DLCI

    E

    The status of the PVC that is configured on the router


    正确答案： A,D
    解析： 暂无解析

  • 第11题：

    多选题
    What two statistics appear in show frame-relay map output？（）
    A

    The number of FECN packets that are received by the router

    B

    The number of BECN packets that are received by the router.

    C

    The ip address of the local router

    D

    The value of the local DLCI

    E

    The status of the PVC that is configured on the router


    正确答案： B,D
    解析： 暂无解析

  • 第12题：

    单选题
    What stage can the following grammar activity be used at? The teacher askes students to arrange the words of sentences into different columns marked subject, predicate, object, object complement, adverbial and so on. _____
    A

    Presentation

    B

    Practice

    C

    Production

    D

    Preparation


    正确答案： D
    解析：
    对句子成分进行分析是语法练习阶段。

  • 第13题：

    Which of the following describes what the number two represents in l00Base2 cabling?()

    A. Fiber

    B. Coaxial cable

    C. UTP

    D. Twisted pair


    参考答案：B

  • 第14题：

    How would you express the binary number: 10101010 in its decimal and hexadecimal forms?()

    A. Decimal=160, hexadecimal=00

    B. Decimal=170, hexadecimal=AA

    C. Decimal=180, hexadecimal=BB

    D. Decimal=190, hexadecimal=CC


    参考答案：B

  • 第15题：

    What are two of the implementation ratings found in the SBR Value Assessment?（）

    • A、production
    • B、growth
    • C、foundation
    • D、expansion
    • E、base

    正确答案:B,C

  • 第16题：

    What is the default value that a PBX or Cisco Unity Express uses to select a voice-mail mail box?（）

    • A、Last Called Number 
    • B、Last Redirect Number 
    • C、Original Called Number 
    • D、Original Redirect Number 
    • E、Forward Redirect Number 

    正确答案:C

  • 第17题：

    How would you express the binary number: 10101010 in its decimal and hexadecimal forms?（）

    • A、Decimal=160, hexadecimal=00
    • B、Decimal=170, hexadecimal=AA
    • C、Decimal=180, hexadecimal=BB
    • D、Decimal=190, hexadecimal=CC

    正确答案:B

  • 第18题：

    Which of the following describes what the number two represents in l00Base2 cabling?（）

    • A、Fiber
    • B、Coaxial cable
    • C、UTP
    • D、Twisted pair

    正确答案:B

  • 第19题：

    After a number of days set by the parameter CONTROL_FILE_RECORD_KEEP_TIME， the information in the control file is overwritten by RMAN. What is this parameter’s default value？（）

    • A、1 day
    • B、5 days
    • C、7 days
    • D、31 days

    正确答案:B

  • 第20题：

    单选题
    Derek has created a view in the sales.nsf db. Derek wants the sales value column in the view to be punctuated to display two decimal places . which one of the following should he do?（）
    A

     use the @function @decimal in the column formula in the view 

    B

     select decimal on the numbers tab in the view properties box 

    C

     select decimal on the numbers tab in the column properties box

    D

     use the @function @decimal to format the value in the field on the form that will display in the view 


    正确答案： A
    解析： 暂无解析

  • 第21题：

    多选题
    What are two of the implementation ratings found in the SBR Value Assessment?（）
    A

    production

    B

    growth

    C

    foundation

    D

    expansion

    E

    base


    正确答案： D,A
    解析： 暂无解析

  • 第22题：

    单选题
    What is the default value that a PBX or Cisco Unity Express uses to select a voice-mail mail box?（）
    A

    Last Called Number 

    B

    Last Redirect Number 

    C

    Original Called Number 

    D

    Original Redirect Number 

    E

    Forward Redirect Number 


    正确答案： B
    解析： 暂无解析

  • 第23题：

    问答题
    What is the value of the greater of two numbers if one of the numbers is three times the smaller number?　　(1) one of the numbers is 12.　　(2) The sum of the two numbers is 16.

    正确答案： B
    解析：
    通过计算可知，条件1无法确定两个数的值；由条件2可知，所求的数为12，故本题选B项。

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