| 1.In the second generation of computers, ( ) replaced vacuum tubes. |
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| 2.In order to store huge amounts of information, we need ( ). |
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| 3.The line of computing jobs waiting to be run on a computer system might be a （ ） . The jobs are serviced in the order of their arrival, that is, the first in is the first out. |
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| 4.（ ） provides a data path between the CPU and external devices. |
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| 5.The things connecting an 8086 system to the rest of the world are called ( ). |
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| 6.The personal computer or （ ）is the smallest general-purpose computer. |
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| 7.The 8086 can access up to ( ) bytes of memory and up to ( ) input or output ports. |
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| 8.The smallest unit of information in a computer system is called a （ ）. |
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| 9.In （ ） ,the only element that can be deleted or removed is the one that was inserted most recently. |
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| 10.The attributes of the stack are ( ). |
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| 11.（ ）:Development is a structured design methodology that proceeds in a sequence from one phase to the next |
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| 12.A floating constant consists of an integer part, a decimal point, a fraction part, an e or E, and an optionally signed integer （ ） . |
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| 13.Instructions are frequently located in ( ), this would be an ideal place to keep constant operands. |
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| 14.Primary memory which is stored on chips located ( ). |
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| 15.Since RAM is only active when the computer is on, your computer uses disk to store information even when the computer is off. Which of the following is true? （ ） |
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| 16.The default input device is ( ), and the default output device is ( ). |
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| 17.（ ）：The brain of a computer, it contains the ALU, the clock, many registers, the bus interface and circuitry that makes these parts work together. |
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| 18.Memory holds data and instructions while they are ( ) by the CPU. |
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| 19.All data is stored and manipulated inside the computer in ( ). |
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| 20.（ ）：A location where data can be temporarily stored. |
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