TY - THES N1 - Pembimbing : Agung Fatwanto, Ph.D. ID - digilib13280 UR - https://digilib.uin-suka.ac.id/id/eprint/13280/ A1 - DAMAR MUSTIKO AJI , NIM. 10651022 Y1 - 2014/07/16/ N2 - One of communications tool now used by now days people is mobile messenger application. Opinions compar the advantages and disadvantages to the two mobile messenger application that became the phenomeon, are Blackberry Messenger (BBM) and WhatsApp Messenger. The opinion from software testing after given not using basic theory or method. McCall?s is the oldest testing model, developed in 1976 . The models are based on undefined requirements to cover important aspects from a software as a reason from bad software performance. The object of research used in this study is an application based on Android and Blackberry Messenger WhatsApp Messenger Android based. Research depend three aspects according to McCall, the operational characteristics (Product Operations). Efficiency factor is one of factor used to find out the level of quality of the software efficiency, with 3 measurements of density of lines of code (conciseness), the performance (execution efficiency), and ease of use (operability). Based on this research, the percentage of the Blackberry Messenger based on the theory of Quality Factors McCalls are percentage of Operabiltiy is found 69.08%, the percentage of Execution Efficiency is 5.47%, and the percentage of Conciseness is 7.97%, the results of the analysis of the quality factor of efficiency is 27.50 %. For WhatsApp Messenger with a percentage of Operability is 73.28% , the precentage of Efficiency Execution is 2.57%, and the percentage of Conciseness is 6.34%, the results of the analysis of the quality factor of efficiency is 27.39%. The comparation from both applications are 27.50% and 27.39%. Difference from both of them are 0,11%. Lower percentage view better quality. PB - UIN SUNAN KALIJAGA KW - Keywords: McCall's Quality Factors KW - efficiency factor KW - Blackberry Messenger KW - WhatsApp Messenger KW - comparative analysis. M1 - skripsi TI - ANALISIS KOMPARATIF FAKTOR EFISIENSI PADA APLIKASI BLACKBERRY MESSENGER BERBASIS ANDROID DENGAN WHATSAPP MESSENGER BERBASIS ANDROID BERDASARKAN TEORI MCCALL?S QUALITY FACTORS AV - restricted ER -