ITEC 1011 – Section M – Winter 2001

Midterm “b” Exam

Solutions

1.

Binary	Decimal	Octal	Hexadecimal
	13.4375	15.34	D.7
11010.101		32.5	1A.A
111010.11	58.75		3A.C
11100.001	28.125	34.1

2. (a) +56

(b) –20

3. (a) –39

(b) 30

4. (a) 69

(b) 58

5. (a) 001011

(b) 111001

6. (a) 0100 0101 0110

(b) 1000 0000 0111

7. (a) –128 to +127

(b) –31 to +31

(c) 0 to 99,999

8. (a) 101 0100

(b) 010 0110

9. (a) 33

(b) 40

10. (a) e

(b) | (vertical line)

11. (a) E

(b) >

12. 001 0011

13. 001 1010

14. -31.5 [3 marks]

15. C1110000 [3 marks]

16. 24,576

17. 124

18. FFFFFF

19. (a) 2²⁰ (or 1,048,576)

(b) 10⁶ (or 1,000,000)