Aissa_thermo1_chapter_01

Suez University Faculty of Computers and Information
Computer Engineering
Sheet # 1 3’ed Year

1) Convert each of the following binary numbers to octal, decimal, and hexadecimal

formats.

(111011101) 2 (10101010111) 2 (111100000) 2

2) Convert each of the following octal numbers to binary, decimal, and hexadecimal

formats.

(3754)8 (7777)8 (247)8

3) Convert each of the following hexadecimal numbers to binary, decimal, and octal

formats.

(4FB2)16 (88BAE)16 (DC4)16

4) Perform each of operations indicated below.
(1001011)2 + (11101)2
(4556)8 + (1245)8
(BCD)16 + (A34)16
(FC1)16 - (9B2)16
(4337)8 - (1186)8
(101101001)2 * (110101)2

5) Divide 1 1 1 1 0 by 1 0 1
6) Divide 1 1 0 0 1 0 by 0 0 1 0
7) Divide 1 1 1 0 1 1 0 1 0 1 by 1 1 0 1

8) Write down the positive integers from 0 – 15 in 4 bit binary

9) Convert the following positive integers.

a. 10000101.1012 to base 10
b. 0010.216 to base 10
c. DD16 to base 2
d. 175.2510 to base 2
e. 17510 to base 16
f. 00AF16 to base 2
g. 101011012 to base 8
h. 45128 to base 10

10) Can the number 345 be represented in 1 byte of memory?

11) How many bytes is the following Hexadecimal number 0055AE4516

Dr. Mohammed A. Atiea 24/2/2019