Lab 1 Data Types and Conversions - Hsanokklis/2022-2023-Tech-journal GitHub Wiki

Summary: _Defining and understanding data types and conversions and how they apply to the degree I am pursuing. _

1. Define Hexadecimal notation. Hexadecimal is a number system that uses base 16 counting. This means it has 16 different digits which are 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F. It is often defined by a 0x preceding a hex number.

2. Define Binary notation Binary is a number system that uses base 2 counting. This means it has 2 different digits which are 0 and 1. 0 is often seen as being “off” and 1 is often seen as being “on”.

3. What is ASCII? American Standard Code for Information Interchange(ASCII), is a way to represent text on computers. It uses binary to assign characters a binary number within the 256 available slots in 8 bit code. ASCII is limited because it can only have 256 different characters and thus cannot incorporate other languages such as Chinese. This is why a better standard called Unicode was later developed.

4. What is EBCDIC? Extended binary-coded decimal interchange code(EBCDIC), is a different 8-bit binary code for numbers and letters, that differs from ASCII and Unicode. It was created by the company IBM to present numbers and letters in binary, and is exclusively used by IBM. It cannot process any other language besides English.

5. Convert the phrase “Hello, friend!” to decimal using an ASCII table. Remember to include the punctuation and spaces. 72 101 108 108 044 32 102 114 105 101 110 100 033

6. Convert the phrase “Hello, friend!” to decimal using an EBCIDIC table. Remember to include the punctuation and spaces. 200 133 147 147 150 107 64 134 153 137 133 149 132 90

7. Convert the phrase “This class is great!” to hexadecimal using an ASCII table. Remember to include the punctuation and spaces. 54 68 69 73 20 63 6C 61 73 73 20 69 73 20 67 72 65 61 74 21

8. Convert the hexadecimal number “ff” to binary and decimal Binary: 1111 1111 Decimal: 255

9. Convert the network mask 255.255.255.128 to hexadecimal. Ignore the dots. FFFFFF80

10. Convert the binary number 0010 1101 to decimal and hexadecimal Decimal: 45 Hexadecimal: 2D

11. Using Device Manager(Windows), find an example of where a hexadecimal number is represented. Explain what you found.

I went into the device manager and looked around for a bit and couldn't find any hexadecimal right away. But then I looked at the resources and got a lot of hexadecimal all of a sudden. It looks like memory resources in the device are each assigned hex numbers to them. Maybe its just for the computer to keep track of each resource.

12. What is your major? Networking and CyberSecurity

13. Find an example of how data conversion or its representation apply to your career field. Provide the reference to where you found the information.

Data conversion is prevalent in a lot of aspects of both networking and cybersecurity. Cybersecurity is essentially the protection of data. Encrypting data is an important part of keeping data safe. When you encrypt data you are changing it into a “secret form” that outsiders cannot decipher. This can be done in many different ways. One of the more commonly used methods of encryption is called asymmetric encryption. This type of encryption uses a pair of keys and each key has a public key and a private key. The private key is only known to you and it's very hard for an attacker to get a private key. Cyber professionals use this type of encryption to keep data private. When companies need to convert their data it takes time and efficient system management. Cyber professionals help companies create a safe system in which data can be shared, transferred and converted without outside interference. This is extremely important especially in settings where the data being stored is valuable information like financial information or private personal information. Cybersecurity and Networking definitely go hand in hand. Networking professionals need to make sure the network is secure so that the data on the network is safe. They can do this with the help of the Cyber professionals. Most big companies hire teams of networking and cyber professionals because every company has data, and needs a secure way to store that data. Once a system is secure companies can convert data without having it stolen by cyber criminals.

What Is Data Migration? A Complete Guide In 6 Points. 28 Feb. 2021, https://www.jigsawacademy.com/blogs/cyber-security/data-migration.

Editorial, BOSS. “How Cybersecurity Can Impact Your Conversion Rate.” BOSS Magazine, 22 Dec. 2021, https://thebossmagazine.com/cybersecurity-conversion-rate/.

“Data Conversion.” The IT Law Wiki, https://itlaw.fandom.com/wiki/Data_conversion. Accessed 11 Sept. 2022.