Task 0. create a directory (archive) and cd to archive. copy the attached files here. task 1a. zip command - to create a zip file (hello. zip) containing hello. c and hello (attached here). task 1b. delete hello. c and hello files task 1c. unzip command - to restore hello. c and hello from the zip file (hello. zip). task 2a. tar command - to make a tar file (named hello. tar) which contains hello. c and hello files. task 2b. delete hello. c and hello files task 2c. tar command - to restore hello and hello. c files from hello. tar file task 3a. gzip command - to make a gzip file (named "hello. gz") containing hello and hello. c files. task 3b. delete hello. c and hello files task 3c. restore hello and hello. c files from hello. gz file using gunzip command task 4. compress hello. tar file using gzip command to make hello. tar. gz task 5. compare the file size of these files: hello. zip, hello. tar, hello. gz, and hello. tar. gz task 6. which one is better in compression? state your observation.

What is the most popular genre of video games?

When making changes to optimize part of a processor, it is often the case that speeding up one type of instruction comes at the cost of slowing down something else. for example, if we put in a complicated fast floating-point unit, that takes space, and something might have to be moved farther away from the middle to accommodate it, adding an extra cycle in delay to reach that unit. the basic amdahl's law equation does not take into account this trade-off. a. if the new fast floating-point unit speeds up floating-point operations by, on average, 2ă—, and floating-point operations take 20% of the original program's execution time, what is the overall speedup (ignoring the penalty to any other instructions)? b. now assume that speeding up the floating-point unit slowed down data cache accesses, resulting in a 1.5ă— slowdown (or 2/3 speedup). data cache accesses consume 10% of the execution time. what is the overall speedup now? c. after implementing the new floating-point operations, what percentage of execution time is spent on floating-point operations? what percentage is spent on data cache accesses?

Which type of entity describes a fundamental business aspect of a database? a. linking b. lookup c. domain d. weak