A Level January, 2012
A4-R4: COMPUTER SYSTEM ARCHITECTURE
TOTAL TIME: 3 HOURS TOTAL MARKS: 100
(PART ONE – 40; PART TWO – 60)
(Answer all the questions)
1. Each question below gives a multiple choice of answers. Choose the most appropriate one and enter in the “tear-off” answer sheet attached to the question paper, following instructions therein. (1x10)1.1 The circuit given below is
1.2 Which one of the following is universal gate?