题目内容：
一种计算机所能识别并能运行的全部指令的集合，称为该种计算机的（ ）。
A．程序 B．二进制代码
C．软件
D．指令系统
参考答案：
答案解析：
单选题：一种计算机所能识别并能运行的全部指令的集合，称为该种计算机的（ ）。
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B．二进制代码
C．软件
D．指令系统
B．二进制代码
C．软件
D．指令系统
十进制数2344用二进制数表示是（ ）。
十进制数2344用二进制数表示是（ ）。A．11100110101 B．100100101000 C．1100011111 D．110101010101
The expression "play safe" probably means______
The expression "play safe" probably means______A．to write carefully B．to do as t
The students had a lot of trouble concentrating on their stu
The students had a lot of trouble concentrating on their study because of the no
The passage is most like a part of a journalistic interview.
The passage is most like a part of a journalistic interview.A．Right B．Wrong C．No
The widespread use of X-rays poses the risk of overexposure
The widespread use of X-rays poses the risk of overexposure to radiation.A．medic