计算机系统问题14)Iftheleftmostbitinnumberrepresentationiszero,thenthedecimalnumberisnon-negative.a.two’scomplementb.floatingpointc.Excesssystemd.bothaandb15)isanarithmeticbitoperation.a.Theexclusi

Question

计算机系统问题
14) If the leftmost bit in _____ number representation is zero,then the decimal number is non-negative.
a.two’s complement b.floating point c.Excess system d.both a and b
15) _________ is an arithmetic bit operation.
a.The exclusive OR b.The unary NOT c.Subtraction d.all of above
16) The ________ method of integer representation is the most common method for storing integers in computer memory.
a.sign-and-magnitude b.one’s complement
c.two’s complement d.unsigned integers
17) In two’s complement addition,if there is a final carry after the leftmost column addition,______.
a.add it to the rightmost column b.add it to the leftmost column
c.discard it d.increase the bit length
18) For an 8-allocation,the largest decimal number that can be represented in two’s complement form is _________.
a.8 b.127 c.128 d.256
19) In two’s complement representation with a 4-bit allocation,we get _________ when we add 5 to 5.
a.-5 b.-6 c.-7 d.10
20) For the binary _________ operator,if the input is two 0s,the output is 0.
a.AND b.OR c.XOR d.all of above

Answer 1

14D 15D 16不会 17C 18B 19B 20D
英文苦手压力很大