Arithmetic of Computers

Arithmetic of Computers

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Self-Test Questions : Lesson 6

The Octal System

From eight to ten
 
1.
What decimal numbers are represented by these expressions?
a. 4(82) + 0(81) + 6(80)
b. 3(81) + 4(80)
c. 5(82) + 3(81) + 2(80)
d. 1(82) + 9(81) + 0(80)

Go to Page 191

2.
In 5348 how do we know which power of 8 the 5 multiplies?

Go to Page 196

3.
In 4938 what is the coefficient of 80 and what is the coefficient of 82?

Go to Page 205

4.
Convert to decimal numbers:
a.498
b.1538
c.248
d.308
e.2018

Go to Page 208

5.
What fractions are represented by the following?
a. 8 − 1
b. 8 − 2
c. 8 − 3

Go to Page 209

6.
What happens to the numbers 8 and 9 in the octal system?

Go to Page 183

7.
What octal numbers correspond to the numbers 1510 and 1610?

Go to Page 216

8.
What octal number comes after 578?

Go to Page 211

Turn to Lesson 7 on Page 221.

Go to Lesson 7

 

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