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Computer: Programs
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MIT researchers built the TX-0, the first general-purpose, programmable computer built with transistors. For easy replacement, designers placed each transistor circuit inside a "bottle," similar to a vacuum tube. Constructed at MIT´s Lincoln Laboratory, the TX-0 moved to the MIT Research Laboratory of Electronics, where it hosted some early imaginative tests of programming, including a Western movie shown on TV, 3-D tic-tac-toe, and a maze in which mouse found martinis and became increasingly inebriated.
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Median annual earnings of wage-and-salary computer programmers were $65,510 in May 2006. The middle 50 percent earned between $49,580 and $85,080 a year. The lowest 10 percent earned less than $38,460, and the highest 10 percent earned more than $106,610. Median annual earnings in the industries employing the largest numbers of computer programmers in May 2006 are shown below:
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The computer, under the control of the virus program or remote criminal, composes an e-mail message. It has the ability to put anything it wants in the TO and FROM fields. It makes little difference to where the message actually gets sent or from what account or computer it is sent. It should be particularly noted that the FROM field is as meaningless and easily forged as the return address on the outside of an envelope. Anything or anyone can write anything they want there. For example:
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In practical terms, a computer program might include anywhere from a dozen instructions to many millions of instructions for something like a word processor or a web browser. A typical modern computer can execute billions of instructions every second and nearly never make a mistake over years of operation.
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In simple terminology computer input devices can be explained as those hardware devices, which assist the users in entering data and programs into a computer. The different types of computer input devices can be broadly classified into two types:
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Most computer programmers work about 40 hours per week. Long hours or weekend work may be required... to meet deadlines or fix unexpected technical problems. About four percent work part-time, compared with about 15 percent for all occupations.
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