Computing

Question 1

What is an operating system?

Answer 1

The software interface between the user’s software and the computers hardware.

Question 2

What do operating systems do?

Answer 2

• Provides low-level networking
• Provides a set of tools for file handling and user handling/security
• May provide a graphical user interface
• May include other non-essential bundled tools

Question 3

Examples of operating systems

Answer 3

Windows, Linux, MacOS

Question 4

Examples of relational databases

Answer 4

Microsoft Access, SQL Server, Oracle, Sybase

Question 5

What are relational databases?

Answer 5

Data are separated into tables or relations. Good database design requires careful thought, planning, and organisation. They maintain data integrity.

Question 6

What commands do SQLs provide?

Answer 6

1. Schema creation
2. Data insertion
3. Data extraction
4. Database management

Question 7

Examples of programming languages

Answer 7

C, Perl, Python, C++, Java, JavaScript

Question 8

What is data mining?

Answer 8

Extract patterns, relationships, and meanings from data. Extract sequence patterns or rules characteristic of a protein family.

Question 9

Examples of MLM predictions

Answer 9

• Charge
• Hydrophobicity
• Number of side chain amino acids

Question 10

What are neural networks?

Answer 10

An arrangement of many interconnected perceptrons in multiple interconnected layers. When training a machine it learns the weights of the inputs and applies a function to their weighted sum.

Question 11

Types of network uses

Answer 11

Local and remote

Question 12

Local network uses

Answer 12

• Sharing files
• Authentication

Question 13

Remote network uses

Answer 13

• Sharing files
• Emails
• Access remote computers
• Sharing linked documents
• Newsgroups
• Remote processing

Question 14

Components of the internet

Answer 14

• FTP
• RPC
• Email
• The web
• News
• Remote access