1474822161_982__CIE%252B111%252528GUEST%252BLECTURE%252529.docx

1474822161_982__CIE%252B111%252528GUEST%252BLECTURE%252529.docx

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ALAMIN MUHAMMED KOLOBE (A00019740) GUEST LECTUER CIE111 1. Convert the following numbers from the base shown to base 10 A. 111 2 1x2 2 + 1x2 1 + 1x2 0 =4+2+1 =7 10 B. 777 16 7x16 2 + 7x16 1 + 7x16 0 =1792+112+7 =1911 10 C. 777 8 7x8 2 + 7x8 1 + 7x8 0 =448+56+7 =511 10 D. 111 8 1x8 2 + 1x8 1 + 1x8 0 =64+8+1 =73 10 E. FEC 16 15x16 2 + 14x16 1 + 12x16 0 =3840+224+12 =4076 10 2. Convert the following numbers from octal numbers to binary A. 766 8 =111110110 2 B. 142 8 =1100010 2 C. 101 8 =1000001 2 D. 889 8 = (It is not an octal number because it is there is a number higher than seven) E. 202 8 =10000010 2 3. Convert the following binary numbers to octal A. 111110110 2 =766 8 B. 1100010 2 =142 8 C. 1000001 2 =101 8 D. 111000111 2 =707 8 E. 010000010 2 =202 8
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4. convert the following binary numbers to hexadecimal A. 111110110 2 =1F6 16 B. 1000001 2 =41 16 C. 010000010 2 =H82 16 D. 1100010 2 =62 16 E. 111000111 2 =1C7 16 5. convert the following the following octal numbers to hexadecimal A. 777 8 =1FF 16 B. 606 8 =186 16 C. 443 8 =123 16 D. 521 8 =151 16 E. 1 8 =1 2 =1 16 6. convert the following decimal numbers to octal. A. 901 10 =1605 8 B. 321 10 0 R 5 =501 8 C. 1429 10 8 1429 8 178 R 5 8 22 R 2 8 2 R 6 0 R 2 =2625 8 D. 1066 10 8 1066 8 133 R 8 901 8 122 R 5 8 14 R 0 8 1 R 6 0 R 1
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2 8 16 R 5 8 2 R 0 0 R 2 =2052 8 E. 2001 10 8 2001 8 250 R 1 8 31 R 2 8 3 R 7 0 R 3 =3721 8 7. Convert the following decimal numbers to binary.
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