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Igcse Comp Sci Worksheet

The document is an IGCSE Edexcel Computer Science worksheet that includes exercises on binary addition, conversions between binary, denary, and hexadecimal, as well as two's complement and sign & magnitude calculations. It also contains problems related to arithmetic and logical shifts, file size calculations, transmission speed, and unit conversions. The worksheet is designed for students to practice and reinforce their understanding of these computer science concepts.

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tajrianhabib183
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48 views8 pages

Igcse Comp Sci Worksheet

The document is an IGCSE Edexcel Computer Science worksheet that includes exercises on binary addition, conversions between binary, denary, and hexadecimal, as well as two's complement and sign & magnitude calculations. It also contains problems related to arithmetic and logical shifts, file size calculations, transmission speed, and unit conversions. The worksheet is designed for students to practice and reinforce their understanding of these computer science concepts.

Uploaded by

tajrianhabib183
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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IGCSE Edexcel Computer Science Worksheet

IGCSE Edexcel Computer Science Worksheet

Page 1: Binary Addition

Add the following binary numbers:

1. 1010 + 0101 = __________

2. 1110 + 0001 = __________

3. 1011 + 0010 = __________

4. 1101 + 0110 = __________

5. 1001 + 1001 = __________

6. 1111 + 1111 = __________

7. 0110 + 0011 = __________

8. 0101 + 0101 = __________

9. 0011 + 1100 = __________

10. 0001 + 1110 = __________

11. 1000 + 1000 = __________

12. 1110 + 0010 = __________

13. 1100 + 1100 = __________

14. 0111 + 0001 = __________

15. 1011 + 0100 = __________

16. 0011 + 0111 = __________

17. 0100 + 1010 = __________

18. 1111 + 0001 = __________

19. 1101 + 0010 = __________

20. 1010 + 1010 = __________

21. 1001 + 0110 = __________

22. 1110 + 0101 = __________

23. 0110 + 1110 = __________

24. 0010 + 1101 = __________

25. 1111 + 0000 = __________

26. 0101 + 1001 = __________

27. 1010 + 0100 = __________


IGCSE Edexcel Computer Science Worksheet

28. 1100 + 0011 = __________

29. 0111 + 0111 = __________

30. 1000 + 0110 = __________


IGCSE Edexcel Computer Science Worksheet

Page 2: Binary, Denary and Hexadecimal Conversions

Convert as requested:

1. 1011 (binary) to denary = __________

2. 1100 (binary) to denary = __________

3. 1111 (binary) to denary = __________

4. 1001 (binary) to denary = __________

5. 0101 (binary) to denary = __________

6. 45 (denary) to binary = __________

7. 23 (denary) to binary = __________

8. 58 (denary) to binary = __________

9. 12 (denary) to binary = __________

10. 31 (denary) to binary = __________

11. 1101 (binary) to hexadecimal = __________

12. 101011 (binary) to hexadecimal = __________

13. 10011011 (binary) to hexadecimal = __________

14. 110 (binary) to hexadecimal = __________

15. 1001 (binary) to hexadecimal = __________

16. 3F (hexadecimal) to binary = __________

17. 2A (hexadecimal) to binary = __________

18. 7E (hexadecimal) to binary = __________

19. A5 (hexadecimal) to binary = __________

20. 1C (hexadecimal) to binary = __________

21. 1111 (binary) to hexadecimal = __________

22. 1010 (binary) to hexadecimal = __________

23. 111010 (binary) to hexadecimal = __________

24. 0101 (binary) to hexadecimal = __________

25. 0001 (binary) to hexadecimal = __________

26. 5 (denary) to binary = __________

27. 19 (denary) to binary = __________


IGCSE Edexcel Computer Science Worksheet

28. 11 (denary) to binary = __________

29. 15 (denary) to binary = __________

30. 50 (denary) to binary = __________


IGCSE Edexcel Computer Science Worksheet

Page 3: Two's Complement and Sign & Magnitude

Find the Two's complement and Sign & Magnitude for the following 8-bit numbers:

1. 00001010 = __________

2. 11110110 = __________

3. 00000101 = __________

4. 11110000 = __________

5. 00001111 = __________

6. 10000001 = __________

7. 11111100 = __________

8. 00000010 = __________

9. 11101111 = __________

10. 00011100 = __________


IGCSE Edexcel Computer Science Worksheet

Page 4: Arithmetic and Logical Shifts

Indicate the result after each shift:

1. 1101 (Arithmetic Shift Left 1) = __________

2. 0110 (Logical Shift Left 1) = __________

3. 1011 (Arithmetic Shift Right 1) = __________

4. 1110 (Logical Shift Right 1) = __________

5. 0101 (Arithmetic Shift Left 2) = __________

6. 1001 (Logical Shift Left 2) = __________

7. 1111 (Arithmetic Shift Right 2) = __________

8. 0011 (Logical Shift Right 2) = __________

9. 1100 (Arithmetic Shift Left 1) = __________

10. 0111 (Logical Shift Right 1) = __________


IGCSE Edexcel Computer Science Worksheet

Page 5: File Size, Transmission Speed, and Unit Conversion

Calculate the following:

1. A file has 2000 characters. Each character uses 1 byte. Find the file size in KB = __________

2. A file is 5MB. How many bytes is this? = __________

3. 8MB = __________ bits

4. A transmission speed of 5 Mbps sends how many bits in 1 second? = __________

5. A 20 MB file sent at 10 Mbps would take how many seconds? = __________

6. 3GB = __________ MB

7. 1024 bytes = __________ KB

8. 2 TB = __________ GB

9. 4096 KB = __________ MB

10. 1MB = __________ bits

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