The first computer was invented in the 1940s. Since then, technology has developed rapidly. The underlined part is in ___. A. the past simple tense B. the present perfect tense C. the present continuous tense D. the future tense 相关...
A. It had a lot of advanced functions B. The technology at that time was not so developed C. People wanted it to be big D. It was designed for many people to use at the same time 相关知识点: 试题来源: 解析 B。解析:早期计算机非常大是因为当时的技术不够发达,无法将计算机做得更小。
aThe first computer was built in 1946 by two American engineers,J.Persper Eckert,Jr.,and John W. Mauchuly.It was developed for the army,and it was so large that it took up an entire room!Later,in 1971, the"microchip"was invented,and small home computers were first produced for personal...
The first computer was made in 1946.It was very big but it worked slowly.Today computers are getting smaller and smaller.Butthey work faster and faster.What can computers do?A writer has said,“People can't live without computers today.” The Internet came a little later than computers.It...
side cameras instead of side mirrors and air suspension that adapts to the terrain(地形).Hand over $74,800 and its yours. Tesla Roadster Tesla Roadster will turn most heads,Zero to 60 in 1.9 seconds means it will leave most cars for dust.The top speed is 250 mph,which is also unheard...
答案:developed in the 1940s。本题考查非谓语动词作定语。developed in the 1940s 表示被动和完成,符合“计算机在 20 世纪 40 年代被开发”的语境。having been developed in the 1940s 虽然也表示被动和完成,但更强调动作发生在谓语动作之前且持续了一段时间,此处不合适。being developed in the 1940s 表示正在...
Since the first computer was made in the late 1950s, the technology has developed extremely.Computers, which took the place of a living room, then, are now being made in credit card formats. More and more areas are being taken over by the computer. As computers are capable of dealing ...
E-Commerce was first developed in the 1960s. With the wide use of computer, the maturity and the wide adoption of Internet, the permeation of credit cards, the establishment of secure transaction agreement and the support and promotion by governments, the development of E-Commerce is becoming ...
aBefore he was twenty,Bill developed the world's first computer language for the personal computer.Once when he was thinking about the future,he realized something.He thought that every home was going to have a computer,and every computer would need software---his software. 在他是二十之前,...
One was the Electronic Delay Storage Automatic Computer, or EDSAC, which was developed in Cambridge, England. It first operated in May of 1949 and is probably the world’s first electronic stored-program, general-purpose computer to become operational. The first computer to operate in the United...