remove changes on main branch

Author: Boshra Mahmoudi

number-systems/Part-1.md

@@ -6,49 +6,49 @@ The goal of these exercises is for you to gain an intuition for binary numbers.
 
 The answers to these questions should be a number, either in binary, hex, or decimal.
 
-Q1: Convert the decimal number 14 to binary. 0,2,4,8,16,32,64,128,256
-Answer: 1110
+Q1: Convert the decimal number 14 to binary.
+Answer:
 
 Q2: Convert the binary number 101101 to decimal:
-Answer: 45
+Answer:
 
 Q3: Which is larger: 1000 or 0111?
-Answer: 1000
+Answer:
 
 Q4: Which is larger: 00100 or 01011?
-Answer: 01011
+Answer:
 
 Q5: What is 10101 + 01010?
-Answer: 11111
+Answer:
 
 Q6: What is 10001 + 10001?
-Answer: 100010
+Answer:
 
 Q7: What's the largest number you can store with 4 bits, if you want to be able to represent the number 0?
-Answer: 15
+Answer:
 
 Q8: How many bits would you need in order to store the numbers between 0 and 255 inclusive?
-Answer: 9
+Answer:
 
 Q9: How many bits would you need in order to store the numbers between 0 and 3 inclusive?
-Answer: 2
+Answer:
 
 Q10: How many bits would you need in order to store the numbers between 0 and 1000 inclusive?
-Answer: 10
+Answer:
 
 Q11: Convert the decimal number 14 to hex.
-Answer: E
+Answer:
 
 Q12: Convert the decimal number 386 to hex.
-Answer: 182
+Answer:
 
 Q13: Convert the hex number 386 to decimal.
-Answer: 902
+Answer:
 
 Q14: Convert the hex number B to decimal.
-Answer: 11
+Answer:
 
 Q15: If reading the byte 0x21 as a number, what decimal number would it mean?
-Answer: 33
+Answer:
 
 Q16: Continues in Part-2

number-systems/Part-2.md

@@ -7,18 +7,16 @@ The goal of these exercises is for you to gain an intuition for binary numbers.
 The answers to these questions will require a bit of explanation, not just a simple answer.
 
 Q16: How can you test if a binary number is a power of two (e.g. 1, 2, 4, 8, 16, ...)?
-Answer: If there is just one 1 in a binary number, then it is a power of 2. This is because each bit represents a power of 2, so if there is just one 1 bit in a binary number, the value represents a power of 2.
+Answer:
 
 Q17: If reading the byte 0x21 as an ASCII character, what character would it mean?
-Answer: !
+Answer:
 
 Q18: If reading the byte 0x21 as a greyscale colour, as described in "Approaches for Representing Colors and Images", what colour would it mean?
-Answer: It represents 33, which is in the range of 0–255 from dark to light. This value represents a very dark grey.
+Answer:
 
 Q19: If reading the bytes 0xAA00FF as a sequence of three one-byte decimal numbers, what decimal numbers would they be?
-Answer:  three one-byte => 
-AA | 00 | FF ==> AA : 10 * 16 + 10 * 1 = 170 | 00 : 0 * 16 + 0 * 1 = 0 | FF : 15 * 16 + 15 * 1 = 255
-so it reperesnt 170, 0, 255
+Answer:
 
 Q20: If reading the bytes 0xAA00FF as an RGB colour, as described in "Approaches for Representing Colors and Images", what colour would it mean?
-Answer: AA => 170 Red,  00 => 0 green , FF : 255 is blue
+Answer: