题目内容

某机字长32位,采用定点小数表示,符号位为1位,有效值为31位,则可表示的最小负小数为( )。

A. +(231-1)
B. -(1-2-32)
C. +(1-2-31) ≈+1
D. -(1-2-31) ≈-1

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某机字长32位,采用定点小数表示,符号位为1位,有效值为31位,则可表示的最小负小数为( )。

A. +(231-1) B. -(1-2-32) C. +(1-2-31) ≈+1 D. -(1-2-31) ≈-1

Which of the following is NOT one of the four main categories of online marketing communications?

Which of the following is an advantage of online communications for marketers?

Social media allow marketers to build or tap into online communities, inviting participation from consumers and creating a long-term marketing asset in the process.

In mobile ads, calls to action should be highlighted with a bright color.

A. +(231-1)
B. -(1-2-32)
C. +(1-2-31) ≈+1
D. -(1-2-31) ≈-1