Computer Science Exam Questions
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2026
11101110 ----> 238 Converting From Binary To Denary
107 ----> 01101011 Converting From Denary To Binary
1 Kilobyte Number Of Bits: 2¹⁰
Denary Value: 1 024 bytes
1 Megabyte Number Of Bits: 2²⁰
Denary Value: 1 048 576 bytes
1 Gigabyte Number Of Bits: 2r⁰
Denary Value: 1 073 741 824
1 Terabyte Number Of Bits: 2⁴⁰
Denary Value: 1 099 511 627 776
1 Petabyte Number Of Bits: 2⁵⁰
Denary Value: 1 125 899 906 842 624
101111100001 ---> 1011 1110 001 Converting From Binary To Hexadecimal
BE1
1000011111101 --> Add 2 0's = 0010 0001
1111 1101
21FD
4 5 A ---> 0100 0101 1010 --> Converting From Hexadecimal To Binary
010001011010
Use Of Hexadecimal System - Memory dumps
- HTML (HyperText Mark-Up Language)
- MAC (Media Access Control)
Memory Dumps Often used when developing new software or when trying to trace
errors in programs. The contents of part of the computer memory can
hold the key to help solve many problems.
HyperText Mark-up Language (HTML) Used when writing and developing web pages. HTML isn't a program
language but is simply a mark-up language. A mark-up language is
used in the processing, definition and presentation of text.