From 240d2d88ae16fc8e94358518eebb4fa7a21645f8 Mon Sep 17 00:00:00 2001 From: Fithi Teklom Date: Wed, 15 Jul 2026 13:20:52 +0100 Subject: [PATCH 1/2] Complete part-1 --- number-systems/Part-1.md | 32 ++++++++++++++++---------------- 1 file changed, 16 insertions(+), 16 deletions(-) diff --git a/number-systems/Part-1.md b/number-systems/Part-1.md index d8f9c290e..fe4e3708d 100644 --- a/number-systems/Part-1.md +++ b/number-systems/Part-1.md @@ -7,48 +7,48 @@ 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. -Answer: +Answer: 1110 Q2: Convert the binary number 101101 to decimal: -Answer: +Answer:45 Q3: Which is larger: 1000 or 0111? -Answer: +Answer: 1000 Q4: Which is larger: 00100 or 01011? -Answer: +Answer:01011 Q5: What is 10101 + 01010? -Answer: +Answer:11111 Q6: What is 10001 + 10001? -Answer: +Answer:100010 Q7: What's the largest number you can store with 4 bits, if you want to be able to represent the number 0? -Answer: +Answer:15 Q8: How many bits would you need in order to store the numbers between 0 and 255 inclusive? -Answer: +Answer:8 Q9: How many bits would you need in order to store the numbers between 0 and 3 inclusive? -Answer: +Answer:2 Q10: How many bits would you need in order to store the numbers between 0 and 1000 inclusive? -Answer: +Answer:10 Q11: Convert the decimal number 14 to hex. -Answer: - +Answer:E + Q12: Convert the decimal number 386 to hex. -Answer: +Answer:182 Q13: Convert the hex number 386 to decimal. -Answer: +Answer:902 Q14: Convert the hex number B to decimal. -Answer: +Answer:11 Q15: If reading the byte 0x21 as a number, what decimal number would it mean? -Answer: +Answer:33 Q16: Continues in Part-2 From 26e6335bc8403d9ae99c8fe35c44584736eb129b Mon Sep 17 00:00:00 2001 From: Fithi Teklom Date: Wed, 15 Jul 2026 13:52:06 +0100 Subject: [PATCH 2/2] complete part-2. --- number-systems/Part-2.md | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/number-systems/Part-2.md b/number-systems/Part-2.md index 68b0933d9..7ac52899f 100644 --- a/number-systems/Part-2.md +++ b/number-systems/Part-2.md @@ -7,16 +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: +Answer:If it has only one 1 bit and the rest bits are 0. 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: +Answer:very dark grey which is close to black. Q19: If reading the bytes 0xAA00FF as a sequence of three one-byte decimal numbers, what decimal numbers would they be? -Answer: +Answer:170 0 255 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: +Answer:Magenta