Digital Systems tenth edition - Tocci - Chapter1 - Solutions - 10 ed

1-1.*Which of the following are analog quantities, and which are digital? (a) Number of atoms in a sample of material (b) Altitude of an aircraft (c) Pressure in a bicycle tire (d) Current through a speaker (e) Timer setting on a microwave oven
 
1-2. Which of the following are analog quantities, and which are digital? (a) Width of a piece of lumber (b) The amount of time before the oven buzzer goes off (c) The time of day displayed on a quartz watch (d) Altitude above sea level measured on a staircase (e) Altitude above sea level measured on a ramp

1-3.*Convert the following binary numbers to their equivalent decimal values. (a) 110012 (b) 1001.10012 (c) 10011011001.101102

1-4. Convert the following binary numbers to decimal. (a) 100112 (b) 1100.0101 (c) 10011100100.10010

1-5.*Using three bits, show the binary counting sequence from 000 to 111.

1-6. Using six bits, show the binary counting sequence from 000000 to 111111.

1-7.*What is the maximum number that we can count up to using 10 bits?

1-8. What is the maximum number that we can count up to using 14 bits?

1-9.*How many bits are needed to count up to a maximum of 511?

1-10. How many bits are needed to count up to a maximum of 63?

1-11.*Draw the timing diagram for a digital signal that continuously alternates between 0.2 V (binary 0) for 2 ms and 4.4 V (binary 1) for 4 ms.

1-12. Draw the timing diagram for a signal that alternates between 0.3 V (binary 0) for 5 ms and 3.9 V (binary 1) for 2 ms.

1-13.*Suppose that the decimal integer values from 0 to 15 are to be transmitted in binary. (a) How many lines will be needed if parallel representation is used? (b) How many will be needed if serial representation is used?

1-14. How is a microprocessor different from a microcomputer?

1-15. How is a microcontroller different from a microcomputer?