大工20春《专业英语（计算机英语）》在线作业1

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The first generation computers were huge,slow,expensive,and often undependable.
A:对
B:错

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

Transistors were a tremendous breakthrough in advancing the computer.
A:对
B:错

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

It wasn't until the 1980's that people began buying computer for personal use.
A:对
B:错

A computer can be broken down into three distinct categories, namely output,input and CPU.
A:对
B:错

The term 'output' consists of all components that display words and graphics so that a person can see them.
A:对
B:错

The keyboard is classified as a form of output.
A:对
B:错

Mouse belongs to input.
A:对
B:错

CPU is the soul of a computer.
A:对
B:错

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

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

Most electronic devices today use some form of( )placed on printed circuit boards.
A:trigger
B:kit
C:microprocessor
D:integrated circuits

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

The( )led to the invention of personal computers,or microcomputers.
A:microprocessor
B:transistor
C:chip
D:circuit

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

Accessing data from a floppy disk is called( )data.
A:printing
B:reading
C:writing
D:listening

A location in RAM memory is accessed by its( )
A:contents
B:address
C:storage unit
D:storage capacity

RAM is a( )storage.
A:permanent
B:flash
C:temporary
D:expansion

Computers can only recognize( )signals.
A:analog
B:infrared ray
C:light
D:digital