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【多选题】
威胁就是危险源,以下属于威胁的是()A.
身份欺骗
B.
篡改数据
C.
信息暴露
D.
特洛伊木马
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【单选题】________ are bonds whose holders have claims against only the assets that remain after the claims of the general creditors are satisfied.
A.
Subordinated debentures
B.
Convertible bonds
C.
Mortgage bonds
D.
Callable bonds
E.
Sinking fund bonds
【单选题】(I) Callable bonds must have a higher yield than comparable noncallable bonds. (II) Convertible bonds are attractive to bondholders and sell for a higher price than comparable nonconvertible bonds.
A.
(I) is true, (II) false.
B.
(I) is false, (II) true.
C.
Both are true.
D.
Both are false.
【单选题】Callable bonds
A.
are called when interest rates decline appreciably.
B.
have a call price that declines as time passes.
C.
are called when interest rates increase appreciably.
D.
are called when interest rates decline appreciably and have a call price that declines as time passes.
E.
have a call price that declines as time passes and are called when interest rates increase appreciably.
【简答题】用8位分配单元,计算【19-23 】, 先将下列数转换成二进制补码,然后运算,再把结果转成十进制。 求和的补码是_______________B,转换为十进制为__________D
【单选题】(I) Callable bonds usually have a higher yield than comparable noncallable bonds. (II) Convertible bonds are attractive to bondholders and sell for a higher price than comparable nonconvertible bonds.
A.
(I) is true, (II) false.
B.
(I) is false, (II) true.
C.
Both are true.
D.
Both are false.
【简答题】用8位分配单元,计算【 19+23 】, 先将下列数转换成二进制补码,然后运算,再把结果转成十进制。 19的二进制补码为_____________B;23的二进制补码为________________B。 求和的补码是_______________B,转换为十进制为__________D
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