計算機導(dǎo)論試卷燈神

1、Multiple-ChoiceQuestions(1.5*20=30Whatisauniquecharacteristicofzerosintheonescomplement Zerois represented by the largest positive There are none; zero is implied by the absence of Zerois represented by the largest negative Thereare two of them, one positive and one is a protocol for mail a. b.c. d.

2、 Every computer today is based on a. In b. c.d. Howdoyourepresentthenumber-7in8bitsusinosa. b. c. d.A program is comprised of a finite number a. hard b. c. memory d.i/o A17th-centurycomputingmachinethatcouldperformadditionand subtraction was theb.Jacquard c. ytical d. Babbage is the highest speed a.

3、CPUb.mainc.cachememory d.magneticAn 8-bit pattern can represent up a. b. c. d. If the ASCII code for E is 1000101, then the ASCII code for e is a. b. c. work ,consisting of four workstations and a printer,is probably aa. c. d. none of the Whichnumberrepresentationmethod ismostwidelyusedtodayfor stor

4、ing integers in a computer?sign-and-b. ones c. twos d. unsigned Foran 8-bitallocation ,thelargestdecimal numberthat can represented in twos complement form a. -b. -c. -d. -You use a bit pattern called atomodifyanotherbit a.b. c. d. a.b.c. d. all of controllerisaserialdevicethatconnectsslow devices s

5、uch as the keyboard and mouse to the computer.a.b. c. d. a. b. c.d.The IP address is bitsin a. b. c. d. any of the A process in the ready state goes to the running state when it enters b. it requests c. it gets access to the d. it finishes D isastep-by-stepmethodforsolvingaproblemorng a task.a.Ab.Ac

6、.And.C, C+, and Java can be classified a. b. c. high-d.Fillintheblanks(1.5*16=24Data and programs are stored bitisthesmallestunitofdatathatcanbestoredinaAlldatatypesaretransformedintoauniformrepresentationcalled a bit patternfor processing by computer.Store 40 in a 16-bit memory location usinos comp

7、lement Store 40 in a 16-bit memory location using ones complement Store 40 in a 16-bit memory location using sign-and-magnitude Represent 25 in Excess_127 using an 8-bit allocation. Tounset(clear)abitina bitpattern,setthecorresponding mask bit to 0 and use theperformsarithmetic and logical The two d

8、esigns for Crchitecture areRISC.There are two models of software development:and incremental modelThere are two types of software testing:black box testingwhite box testingparts that can communicate with each other.Questions(46Whatisthe subsystemsoftheanncomputermodels?（6points） Memory , control uni

9、t, arithmetic logic unit and input/outputName five types of data thomputercanprocess.（6points） Number, image, audio, , textAddtwonumbersintwoscomplementrepresentation: (-35) + (+20) = (-15)（7 points）Define the term （6Overflowisaerrorthatoccurswhenyou trytostoreanumberthatis not within the range defined by the allocation.What is the USB controller? （6 Whatarethefourphasesinsoftwaredevelopment? （8points）分析階段，設(shè)計階段，implementation phase，測試階段Nam