通常，计算机是计算机系统的简称，从系统的角度看，它应包括（ ）。

单项选择题A．This tour is the chance of lifetime．B．It goes all over North America and South America．C．It looks like you’re dreaming about something．D．You’ll have to quit school and your job at the store．E．My agent wants me to go on a tour with Art’s Jazz Band．F．Have you told anyone about this yetG．It would be a great opportunity!

单项选择题A. What a beautiful dress!B: (). I just got it yesterday.

A. Thank you
B. It’s my pleasure
C. By the way
D. No, of course not
E. Never mind

单项选择题A: Would you sign the register please, SirB: Sure.() ,does my morn have a private bathA: Certainly. Every room in this hotel has a private bath.

A. Thank you
B. It’s my pleasure
C. By the way
D. No, of course not
E. Never mind

单项选择题A．This tour is the chance of lifetime．B．It goes all over North America and South America．C．It looks like you’re dreaming about something．D．You’ll have to quit school and your job at the store．E．My agent wants me to go on a tour with Art’s Jazz Band．F．Have you told anyone about this yetG．It would be a great opportunity!

单项选择题最初的电子计算机采用的主要逻辑部件是（ ）。