DBC

Conversions

100

What is 11011001

217

200

What is 01101010

106

300

00101001

41

400

218

11011010

500

232

11101000

Decimal to Binary

100

63

00111111

200

250

11111010

300

117

01110101

400

220

11011100

500

171

10101011

Binary to Decimal

100

10111010

186

200

10001000

136

300

11101010

234

400

11010011

211

500

00001111

15

Disk Space calculations

100

32,000 bytes = 

a. 32 KB

b. 320 KB

c. 32 MB

d. 32,000 KB

d. 32,000 KB

200

6000 bytes = ........ Bytes

6 KB

300

750,000 bytes = ........ MB

0.75 MB

400

360,000 bytes = .......... KB

360 KB

500

50,000,000,000 Bytes = ............. GB 

50 GB

Binary Facts

100

What two numbers are used to make binary numbers?

0 & 1

200

What are the similarities and differences between the binary and decimal number systems?

Similarities are both systems use the concept of place value, and in both systems, we can calculate each digit's value by multiplying the digit with the matching power of 2 and 10, the sum is the total value of the number.

300

What does 11111111 mean in binary?

255

400

35800 MB is smaller than 25 GB

False

500

7500 KB is smaller than 660 MB

True