1. Answer all questions. 2. Select the best answer for the multiple-choice questions Section I Multiple Choice Questions (each question one mark) [5 marks] 1. Why John von proposed binary data processing? (a) Simplified to transfer for decimal (b) Simplified the security of data (c) Simplified the declaration of date (d) Simplified the design of the computer 2. Number of bits used in calculations to (a) Affects accuracy of results (b) Show the decimal format (c) Represent the octal format (d) Affect in inputs 3. The octal equivalent of the decimal number (417)10 is (a) (641)8 (b) (619)8 (c) (640)8 (d) (598)8 4. Convert the hexadecimal number (1E2)16 to decimal. (a) 480 (b) 483 (c) 482 (d) 484