参考答案和解析
正确答案: C
解析: 暂无解析
更多“Which of the following is the standard aspect ratio for HDTV”相关问题
  • 第1题:

    纵横比(Aspect ratio)


    正确答案: 窗口宽度与高度的比率。特别是用窗口的宽度(以像素为单位)除以像素的高度(以像素为单位)。

  • 第2题:

    A standard installation for wireless will use which of the following antenna types?()

    • A、Sector
    • B、Patch
    • C、Yagi
    • D、Omni-Directional

    正确答案:D

  • 第3题:

    Which of the following step libraries is included in the license for IPCC Express Standard? ()

    • A、ICM steps  
    • B、e-mail steps  
    • C、media steps 
    • D、database steps

    正确答案:C

  • 第4题:

    Which of the following is a standard IEEE 1394 transmission speed?()

    • A、 100Mbps
    • B、 400Mbps
    • C、 480Mbps
    • D、 1000Mbps

    正确答案:B

  • 第5题:

    Which of the following represents a wiring standard for twisted pair cables?()

    • A、Fiber
    • B、T568A
    • C、IEEE1394
    • D、CAT5

    正确答案:B

  • 第6题:

    Which of the following are standard AMD processor socket types?()

    • A、1366
    • B、1155
    • C、940
    • D、LGA
    • E、F

    正确答案:C,E

  • 第7题:

    Which of the following wireless standards was the FIRST standard to be ratified and is used to support legacy wireless devices?()

    • A、802.11a
    • B、802.11g
    • C、802.11b
    • D、802.11n

    正确答案:C

  • 第8题:

    Which IBM storage products allows for 960 TB (raw) in one standard IBM rack of the following?()

    • A、XIV system
    • B、DS5300
    • C、DS8800
    • D、Storwize V7000

    正确答案:A

  • 第9题:

    多选题
    The ratio of two quantities is 4 to 5. If each of the quantities is increased by 3, which of the following could be the ratio of these two new quantities? (Indicate all answer choices that apply.)
    A

    7/8

    B

    11/13

    C

    23/28


    正确答案: B,A
    解析:
    由于题目中两个数字的具体数值不确定,因此任何符合题干条件的数值都可以,经验算,选项A, B, C均符合题意。

  • 第10题:

    单选题
    If the set S is composed of the following numbers {99, 100, 100, 105, 106, 116, 123}, which of the following is largest?
    A

    The average (arithmetic mean) of set S

    B

    The median of set S

    C

    The mode of set S

    D

    The range of set S

    E

    The standard deviation of set S


    正确答案: A
    解析:
    根据公式可知,A项S数集的平均数=107,B项S数集的中位数=105,C项S数集的众数=100,D项S数集的极差=24,E项S数集的标准差≈9,故本题选A项。

  • 第11题:

    单选题
    Which of the following is the standard aspect ratio for HDTV?()
    A

    2.35:1

    B

    4:3

    C

    1.33:1

    D

    1.78:1


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    Which of the following is the form factor of a standard S-video connector?()
    A

    DB-15

    B

    DB-25

    C

    DIN-6

    D

    DB-9


    正确答案: D
    解析: 暂无解析

  • 第13题:

    Which of the following options are valid choices for cluster communication security?()

    • A、rsh and ssh
    • B、Standard and VPN
    • C、rhost and .shosts
    • D、Classic and Enhanced

    正确答案:B

  • 第14题:

    Which of the following is the standard aspect ratio for HDTV?()

    • A、2.35:1
    • B、4:3
    • C、1.33:1
    • D、1.78:1

    正确答案:D

  • 第15题:

    A technician is installing a parallel PCI card. Which of the following is the IEEE standard for parallel?()

    • A、802.11b
    • B、1284
    • C、1394
    • D、802.11g

    正确答案:B

  • 第16题:

    Which of the following is the definition of CAS latency?()

    • A、 CAS latency is the ratio between the column access time and the clock cycle time.
    • B、 CAS latency is the ratio between the row access time and the clock cycle time.
    • C、 CAS latency is the ratio between the column access time and the data burst transfer time.
    • D、 CAS latency is the ratio between the row access time and the data burst transfer time.

    正确答案:A

  • 第17题:

    One end of a CAT5 cable is punched down following the 568B standard. The other end should beterminated using which standard to make a straight-through cable?()

    • A、568B
    • B、RJ-11
    • C、RJ-45
    • D、568A

    正确答案:A

  • 第18题:

    Which of the following laptop displays would provide physical flexibility and transparency?()

    • A、Standard LCD
    • B、Plasma
    • C、OLED
    • D、LED-backlit LCD

    正确答案:C

  • 第19题:

    A customer is considering iDataPlex and several competitive solutions. Which favor iDataPlex of the following?()

    • A、Usable density
    • B、Lowest cost of acquisition
    • C、Flexible configurations ready for integration and testing at the customer location
    • D、Standard rack mounting

    正确答案:A

  • 第20题:

    单选题
    Which of the following operation will have a direct impact on the rate of wear in a cylinder liner ()
    A

    amount of scavenge air to the cylinder

    B

    quality of fuel injected

    C

    viscosity of the lube oil

    D

    compression ratio of the piston


    正确答案: A
    解析: 暂无解析

  • 第21题:

    单选题
    One end of a CAT5 cable is punched down following the 568B standard. The other end should beterminated using which standard to make a straight-through cable?()
    A

    568B

    B

    RJ-11

    C

    RJ-45

    D

    568A


    正确答案: B
    解析: 暂无解析

  • 第22题:

    名词解释题
    纵横比(Aspect ratio)

    正确答案: 窗口宽度与高度的比率。特别是用窗口的宽度(以像素为单位)除以像素的高度(以像素为单位)。
    解析: 暂无解析

  • 第23题:

    单选题
    Which of the following is the definition of CAS latency?()
    A

     CAS latency is the ratio between the column access time and the clock cycle time.

    B

     CAS latency is the ratio between the row access time and the clock cycle time.

    C

     CAS latency is the ratio between the column access time and the data burst transfer time.

    D

     CAS latency is the ratio between the row access time and the data burst transfer time.


    正确答案: A
    解析: 暂无解析