. A port expander is a hardware device designed to allow a user to utilize more than one device on a single port at one time. There are two basic forms of port expanders: internal and external. An internal expander has a connection inside the computer and the only part that is visible to the user is the expansion plate containing multiple ports. An external device plugs into the existing port and then has multiple places to connect. Expanders are made for nearly every type of port‚ but the most
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PT 1420 Unit 10 Assignment1 Short Answer Review Question Described the three steps that must be taken when a file is used by a program. Open the file – it creates a connection between the file and the program. Opening and output file usually creates the file on the disk and allow the program to write data to it. Opening an input file allows the program to read data from the file. Process the file – In this step data is either written to the file (if it is an output file) or read from the file (if
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Rondebosch Boy’s High School INFORMATION TECHNOLOGY – GRADE 11 7 February 2012 PRACTICAL ClASS TEST Examiner: G.Cilliers Time: 60 Minutes ------------------------------------------------- Marks:50 QUESTION 1. Examine the Database called ResidenceDataBase found in the folder called Question 1 SQL and answer the questions that follow: Save your work on your username in a folder called your
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Part 2 (i) Give a description of the following variables using appropriate graphical displays and summary statistics: gender; time; travel; type; number. Explain what these show about the typical travellers on the system. a) Gender According to the survey results and figure 1‚ the number of respondents for male is 114 and female is 86. This may suggest that there are more males than females travellers travel in the train. b) Time According to the survey results in figure
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John Bareswilt Pt1420 Unit 6 Page 1 5.def mix colors ( primary1 ‚ primary2 ) : i f primary1 == primary2 : return primary1 e l i f primary1 == ”red” and primary2 == ”blue” or primary1 == ”blue” and primary2 == ”red ”: return ”purple” e l i f primary1 == ”red” and primary2 == ”yellow” or primary1 == ”yellow” and primary2 == ”red ”: return ”orange” e l i f primary1 == ”yellow” and primary2 == ”blue” or primary1 == ”blue” and primary2 == ”yellow ”: return ”green” global primary1 = input (” Please enter
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Programming language is a vital and essential part of computers. Even though you do not actually see these languages‚ they are the bases and make up of software programs. Software is essential to a computer because without software‚ a computer can do nothing. All of the software that we use to make our computers useful is created by individuals known as programmers; these programmers use different types of programming languages to develop software programs. The first primitive programming language
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Biotechnology Lecture 1: 1) A genome is: a. All of the genes in an organism b. All the DNA in an organism‚ including its genes c. A method of creating stem cells d. All of the chromosomes in an organism e. All of the DNA‚ except the genes 2) DNA stands for: a. Detroit Neutron Association b. Dioxin Ribonucleic Acid c. Dioxygen Nueberg Assay d. Deoxyribonucleic Acid e. None of these answers are correct 3) The first draft of the human genome was first published in the Journal Nature. Knowing all the
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Read and Download Ebook Pt1420 Lab 6.3 Answers PDF at Online Ebook Library PT1420 LAB 6.3 ANSWERS PDF Download: PT1420 LAB 6.3 ANSWERS PDF Pt1420 Lab 6.3 Answers‚ is a technical communication document intended to give assistance to people using a particular system. Pt1420 Lab 6.3 Answers is usually written by a technical writer‚ although user manual are written by programmers‚ product or project managers‚ or other technical staff‚ particularly in smaller companies. Pt1420 Lab 6.3 Answers contain
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. Explain what is meant by the term “conditionally executed”. Conditionally executed is called a single alternative decision structure because it provides only one alternative path of execution. The action is conditionally executed because it is performed only when a certain condition is true. 2. You need to test a condition and then execute one set of statements if the condition is true. If the condition is false‚ you need to execute a different set of statements. What structure will
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Across 1. What is the moon phase that is completely dark? 3. What is the moon phase that is completely lit? 5. The motion of one object around another. 7. What happens when objects from space crash into the moon? 9. The light colored streaks that extend outwards from some craters. 14. What is the moon phase that only has a small part on the left that is not showing; losing light? 15. One complete _____ means a whole day has been completed. 16. What is the moon phase that only has a small
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