【单选题】【消耗次数：1】
8051单片机的条件转移指令均为相对寻址方式，其偏移量是一个。
①
8位无符号二进制数
②
8位有符号二进制数
③
16位无符号二进制数
④
16位有符号二进制数
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相关题目
【单选题】
设有二进制数x=－01101101，若采用8位二进制数表示，则[x]补=______。
①
11101101
②
10010011
③
000100111
④
110010010
【单选题】
针对8位二进制数，下列说法中正确的是（ ）。
①
1的补码是10000000
②
-127的反码等于0的移码
③
+1的移码等于-127的反码
④
0的补码等于-1的反码
【单选题】
针对8位二进制数，下列说法中正确的是（ ）。
①
127的补码是10000000
②
-127的反码等于0的移码
③
+1的移码等于-127的反码
④
0的补码等于-1的反码
【单选题】
针对8位二进制数，下列说法中正确的是
①
–127的补码为10000000
②
–127的反码等于0的移码
③
+1的移码等于–127的反码
④
0的补码等于–1的反码
随机题目
【单选题】
Between 1974 and 1997, the number of overseas vistors expanded_______27%.
①
by
②
for
③
to
④
in
【单选题】
That man alone over there – who is he?
①
He is a student
②
He is Doctor Took
③
A driver, I suppose
④
He’s drunk
【单选题】
Monday Tuesday is OK. I will be free then.
①
Either;or
②
Neither;nor
③
So; that
④
Both; and
【单选题】
Jean did not have time to go to the concert last night because she was busy __________ for her examination.
①
to prepare
②
to be prepared
③
preparing
④
being prepared
【单选题】
The adviser recommended that Mary _____ the training program as soon as possible.
①
started
②
starts
③
start
④
would start
【单选题】
The computer doesn’t work well, so something _________ wrong.
①
can have gone
②
should have gone
③
must have gone
④
ought to have gone
【单选题】
He made a mistake, but then he corrected the situation it got worse.
①
until
②
when
③
before
④
as
【单选题】
Please help yourself to the fish.
①
Thanks, but fish doesn’t agree with me
②
Sorry, I can’t help
③
I don’t like fish
④
No, I can’t
【单选题】
The reason _________ I am writing this letter is to tell you about the meeting on Saturday.
①
because
②
why
③
for
④
as
【单选题】
Is that Mr Robert Lee?
①
Yes, Lee speaking
②
Hello, what do you want
③
Sorry, speaking
④
I don’t know