21Which generation introduced operating systems that allowed multiprogramming?AFirst generationBSecond generationCThird generationDFifth generationView AnswerDiscussWorkspaceReportSaveEasy
22Fifth-generation computing is associated with:AVacuum tubesBMagnetic drumsCArtificial intelligence and parallel processingDPunched cardsView AnswerDiscussWorkspaceReportSaveEasy
23Which generation of computers used magnetic drums for memory?AFourth generationBFirst generationCThird generationDSecond generationView AnswerDiscussWorkspaceReportSaveEasy
24Third-generation computers used:ATransistors onlyBVacuum tubesCIntegrated circuitsDMicroprocessorsView AnswerDiscussWorkspaceReportSaveEasy