Compiled Learning Objectives

Binary and hexadecimal numbers (Prep)

• Convert signed and unsigned numbers between any two of: binary, decimal, hexadecimal
• Identify whether a binary number is a power of two
• Explain the similarities and differences between binary, decimal, and hexadecimal numbers
• Explain why we use binary numbers
• Explain why we use hexadecimal numbers
• Describe how different programs can interpret the same bytes as different data
• Identify how many bits are needed to store integers up to some limit
• Identify the maximum integer that can be stored in a number of bits
• Add together two binary numbers without converting to decimal
• Identify which of two binary numbers is larger without converting to decimal

CPU and memory (Prep)

• Explain the purpose of main memory.
• Explain the purpose of a CPU.
• Explain what input/output is and why it’s useful.
• Describe the concept of a memory address.
• Describe how a string is laid out in memory.
• List (non-exhaustive) examples of instructions that CPUs often support.
• Define the term ‘clock speed’ with respect to a CPU.
• Explain the benefits of CPUs have multiple cores.
• Describe what CPU cache is, and why one is useful.
• Explain why computers have secondary storage.

Shell tools (Prep)

• Identify which of {cat, ls, wc, grep, sed, awk} will be useful to solve a given problem.

cat (Prep)

• Show the contents of a file with cat

man pages (Prep)

• Open a man page for a tool
• Close a man page for a tool
• Interpret sample command lines in man pages
• Learn from a man page about the flags a tool supports

More cat (Prep)

• Show the contents of a file, including line numbers, with cat.
• Concatenate multiple files outputting to the terminal.

ls (Prep)

• List the files (and directories) in a directory with ls.

wc (Prep)

• Count the bytes, words, and lines of a file with wc.
• Count just the words of a file with wc.

grep (Prep)

• Identify the lines in a file which contain a string using grep
• Identify which files contain a string using grep

sed (Prep)

• Remove numbers from the start of lines in a file using sed.
• Replace occurrences of one string in a file with another using sed.
• Print the lines of a file which don’t contain some string using sed.

awk (Prep)

• Filter a space-separated file and extract a positional field using awk.
• Sum the numbers in a column of a space-separated file using awk.
• Explain what NF and $NF mean in awk.

How We Work (Day Plan)

• Explain the structure of a week in SDC.

Goals (Day Plan)

• Explain what sector(s) you want to work in.
• Compare different job roles in the software industry.