2.The maximum number of data that can be expressed by 8 bits is （ ） .
3.Instructions are frequently located in ( ), this would be an ideal place to keep constant operands.
4.The smallest unit of information in a computer system is called a （ ）.
5.For the 8086, the amount of information which transfers to or from memory at one time is always ( ).
6.The computer system hardware is composed of ( ).
7.All data is stored and manipulated inside the computer in ( ).
8.（ ） controls the operation of the computer and performs it＇s data processing functions.
9.Software development begins at the system level and progresses through ( ) , design , coding , testing , and maintenance .
10.The 8086 can access up to ( ) bytes of memory and up to ( ) input or output ports.
11.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? （ ）
12.The things connecting an 8086 system to the rest of the world are called ( ).
13.（ ）language is similar to machine language.
14.The heart of a computer system is ( ).
15.Memory holds data and instructions while they are ( ) by the CPU.
16.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.
17.What is the most commonly used computers in our daily life?
18.The basic unit of measure in a computer system is the （ ）. It is the smallest unit in computing. There are some other measures in a computer, such as Kilobyte, Megabyte, Gigabyte and so on.
19.In order to store huge amounts of information, we need ( ).
20.Primary memory which is stored on chips located ( ).
多选题:7道,每道2分,总分14多选题:7道,每道2分,总分14
1.A character is a single ( ),( ) or ( ).
2.A selection structure begins with the IF …THEN statement, and terminates with the ( ) statement. In the middle of the structure is ( ).
3.A processor is composed of ( ).
4.8086 CPU executes a instruction includes the steps:( )
5.The 8086 has four sets of registers. They are general registers, ( ),( )and ( ).
6.FORTRAN distinguishes between two types fo numeric data:( ) and ( ).