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(判断题)1: The first generation computers were huge,slow,expensive,and often undependable. A: 对 B: 错 (判断题)2: The transistor computer did not last as long as the vacuum tube computer lasted, but it was less important in the advancement of computer technology. A: 对 B: 错 (判断题)3: Transistors were a tremendous breakthrough in advancing the computer. A: 对 B: 错 (判断题)4: However what really triggered the tremendous growth of computers and its significant impact on our lives is the invention of the microprocessor. A: 对 B: 错 (判断题)5: It wasn't until the 1980's that people began buying computer for personal use. A: 对 B: 错 (判断题)6: A computer can be broken down into three distinct categories, namely output,input and CPU. A: 对 B: 错 (判断题)7: The term 'output' consists of all components that display words and graphics so that a person can see them. A: 对 B: 错 (判断题)8: The keyboard is classified as a form of output. A: 对 B: 错 (判断题)9: Mouse belongs to input. A: 对 B: 错 (判断题)10: CPU is the soul of a computer. A: 对 B: 错 (单选题)11: The ENIAC used thousands of( ),which took up a lot of space and gave off a great deal of heat just like light bulbs do. A: vacuum tubes B: integrated circuits C: chips D: switches (单选题)12: In 1947 three scientists, John Bardeen, William Shockley, and Walter Brattain working at( )invented the transistor computer. A: Baidu B: Microsoft C: AT&T's Bell Labs D: Yahoo (单选题)13: Most electronic devices today use some form of( )placed on printed circuit boards. A: trigger B: kit C: microprocessor D: integrated circuits (单选题)14: The fourth generation computers can be characterized by both the jump to monolithic integrated circuits and the invention of( ). A: microprocessor B: transistor C: chip D: circuit (单选题)15: The( )led to the invention of personal computers,or microcomputers. A: microprocessor B: transistor C: chip D: circuit (单选题)16: The software and hardware components of a computer( ). A: function independently B: can never be coordinated C: rely on each other and support each other D: none of the above (单选题)17: Accessing data from a floppy disk is called( )data. A: printing B: reading C: writing D: listening (单选题)18: A location in RAM memory is accessed by its( ) A: contents B: address C: storage unit D: storage capacity (单选题)19: RAM is a( )storage. A: permanent B: flash C: temporary D: expansion (单选题)20: Computers can only recognize( )signals. A: analog B: infrared ray C: light D: digital (责任编辑：admin) |