● (75) is a sequence of letters and digits,the first character mustbe a letter.(75) A．An identifierB．A stringC．An arrayD．program
● (75) is a sequence of letters and digits,the first character mustbe a letter.
(75) A．An identifier
B．A string
C．An array
D．program
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● (67) is a sequence of letters and digits，the first character must be a letter.(67) A．An identifierB．A stringC．An arrayD．A program
VIP is an acronym, formed by taking the first letters of a series of words and pronounced as a single word.() 此题为判断题(对，错)。
试题（71）～（75）Object-oriented analysis (OOA) is a semiformal specification technique for the object-oriented paradigm. Object-oriented analysis consists of three steps. The first step is （71）. It determines how the various results are computed by the product and presents this information in the form. of a （72） and associated scenarios. The second is （73） , which determines the classes and their attributes. Then determine the interrelationships and interaction among the classes. The last step is （74） , which determines the actions performed by or to each class or subclass and presents this information in the form. of （75） .（71）A. use-case modelingB. class modelingC. dynamic modelingD. behavioral modeling（72）A. collaboration diagramB. sequence diagramC. use-case diagramD. activity diagram（73）A. use-case modelingB. class modelingC. dynamic modelingD. behavioral modeling（74）A. use-case modelingB. class modelingC. dynamic modelingD. behavioral modeling（75）A. activity diagramB. component diagramC. sequence diagramD. state diagram
下列程序的运行结果是( )。 public class Sun { public static void main(String args[ ]) { int number,digits; number=53; if(number＜10) digits=1; else if(number＜100) digits=2; else digits=3; System.out.println(digits); } }A．1B．2C．3D．0
An identifier is a sequence of letters and digits，the first character must be(60)．A．a letterB．a stringC．an arrayD．a interger
Information, in its most restricted technical sense,is a sequence of symbols that can be interpreted as a messagA.Information can be recorded as signs,or transmitted as__(75)__.B.symbolsC.messageD.signalsE.wav
Messages that are sent electronically over a network．(72)A series of instructions(commands) performed in a sequence specifying actions to accomplish a task．(73)The character code built into most modern personal computers．(74)The minimal unit of information，it can have the value 1 or 0．(75)The brains of a computer, it contains the ALU，the clock，many registers，the bus interface，and circuitry that makes these parts work together．A．inputB．outputC．dataD．E-Mail
is a sequence of letters and digits, the first character must be a letter.A．An identifierB．A stringC．An arrayD．program
is a sequence of letters and digits, the first character mustbe a letter.A．An identifierB．A stringC．An arrayD．program
A sequence of any number of characters enclosed in the double queotes“”is called a character ______.A．arrayB．groupC．setD．string
A computer program, orjust a program, is a sequence of (75) ,written to performa specified task with a computer.A.languagesB.instructionsC.programsD.functions
● （75） Development is a structured design methodology that proceeds in a sequence from one phase to the next.（75）A. WaterfallB. PhasedC. PrototypingD. Parallel
● Object-oriented analysis (OOA) is a semiformal specification technique for the object-oriented paradigm. Object-oriented analysis consists of three steps. The first step is （71）. It determines how the various results are computed by the product and presents this information in the form. of a （72） and associated scenarios. The second is （73） , which determines the classes and their attributes. Then determine the interrelationships and interaction among the classes. The last step is （74） , which determines the actions performed by or to each class or subclass and presents this information in the form. of （75） .（71）A.use-case modelingB. class modelingC. dynamic modelingD. behavioral modeling（72）A. collaboration diagramB. sequence diagramC. use-case diagramD. activity diagram（73）A. use-case modelingB. class modelingC. dynamic modelingD. behavioral modeling（74）A.use-case modelingB. class modelingC. dynamic modelingD. behavioral modeling（75）A. activity diagramB. component diagramC. sequence diagramD. state diagram
The keyboard of a typewriter refers to the set of keys in it.Most typewriters have"qwerty"key-boards.The name crones from the first six letters on the board′s second line.The"qwerty"board was?set up by C.L.Sholes,who was the first man to make a really good typewriter.Some letters,such as S and T,are used together a great deal in English.Sholes placed such?pairs of letter far apart on his keyboard.This made it harder for typists to learn the keyboard.But it?helped keep typewriters from jamming.On early machines the bars holding the letters often caught on?each other when moving quickly.Sholes made the name of his machine easy to type.lie placed on the same line all the letters of?the word"type"and"writer".This article is mostly about a__________.A.pair of lettersB.keyboardC.languageD.man's life
The keyboard of a typewriter refers to the set of keys in it.Most typewriters have"qwerty"key-boards.The name crones from the first six letters on the board′s second line.The"qwerty"board was?set up by C.L.Sholes,who was the first man to make a really good typewriter.Some letters,such as S and T,are used together a great deal in English.Sholes placed such?pairs of letter far apart on his keyboard.This made it harder for typists to learn the keyboard.But it?helped keep typewriters from jamming.On early machines the bars holding the letters often caught on?each other when moving quickly.Sholes made the name of his machine easy to type.lie placed on the same line all the letters of?the word"type"and"writer".The"qwerty"board is named for the__________.A.man who set it upB.company that sold itC.order of six of its lettersD.letters used the most in English
The keyboard of a typewriter refers to the set of keys in it.Most typewriters have"qwerty"key-boards.The name crones from the first six letters on the board′s second line.The"qwerty"board was?set up by C.L.Sholes,who was the first man to make a really good typewriter.Some letters,such as S and T,are used together a great deal in English.Sholes placed such?pairs of letter far apart on his keyboard.This made it harder for typists to learn the keyboard.But it?helped keep typewriters from jamming.On early machines the bars holding the letters often caught on?each other when moving quickly.Sholes made the name of his machine easy to type.lie placed on the same line all the letters of?the word"type"and"writer".The"qwerty"was first set up__________.A.with thirty-six lettersB.in six linesC.by C.L.SholesD.All of the above
单选题A password is made up of two letters followed by two single-digit numbers. If a person is assigned a password at random, what is the probability, rounded to the nearest hundredth, that the password uses only even digits for the numbers?A0.25B0.35C0.5D0.15E0.1
多选题Which four statements correctly describe functions that are available in SQL? （）AINSTR returns the numeric position of a named character.BNVL2 returns the first non-null expression in the expression list.CTRUNCATE rounds the column, expression, or value to n decimal places.DDECODE translates an expression after comparing it to each search value.ETRIM trims the heading of trailing characters (or both) from a character string.FNVL compares two expressions and returns null if they are equal, or the first expression of they are not equal.GNULLIF compares twp expressions and returns null if they are equal, or the first expression if they are not equal.
问答题You are looking for one word in this paragraph. The word appears only once, its first letter is the eighth letter which appears after a certain vowel and the same vowel is the fifth letter before its last letter.
单选题_____ is made up from the first letters of the name of an organization, which has a heavily modified headword.ACategoryBSynonoymyCAntonymyDAcronym
问答题There is a word of 7 letters. The first 3 letters is for female, the first 4 is for a brave man, and the whole is for a brave woman. What word is this?
单选题The first term in a geometric sequence is 3 and the 4th term is 81. What is the 10th term of the sequence?A177, 147B59, 049C19, 683D6, 561E2, 187
单选题We can infer from the first paragraph that ______.Athere tends to be disagreement about what character education isBmost parents are not satisfied with the teaching methods adopted in schoolsCthe approach to character education is generally considered different from the approaches to other skillsDmore and m,ore schools are adopting strategies to improve school attendance