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Chapter 1

Hardware, Software, and the Internet

QuestionAnswer
Computer memory is called RAM because... Its bytes can be addressed in random order
Computer memory is called RAM because... Its bytes can be addressed in random order
True or false? One meg of RAM can hold exactly as much information as one meg on a flash drive. true
True or false? A factory-formatted hard disk is split into a fixed number of files. false
What is the maximum number of different codes or numbers that can be represented in 3 bits? 8
What is the maximum number of different codes or numbers that can be represented in 5 bits? 32
What is the decimal representation of the binary number 0000 0111? 11
What is the decimal representation of the binary number 1100 0011? 195
An experiment consists of tossing a coin 5 times and its outcome is a sequence of heads and tails. How many possible outcomes are there? 32
An experiment consists of tossing a coin 7 times and its outcome is a sequence of heads and tails. How many possible outcomes are there? 128
The ability to "solve mysteries" corresponds with which computer science skill? diagnose and correct programming errors
The ability to create and devise a solution to given problem corresponds with which computer science skill? understand and devise effective algorithms
The ability to utilize IDEs and APIs to develop software corresponds with which computer science skill? use software development tools and documentation
The ability to learn and adapt to changes in technology corresponds with which computer science skill? absorb and use emerging technical information
The ability to write code correctly and in the proper standardized form corresponds with which computer science skill? be proficient with the syntax and style of programming languages
True or False? All connections on the Internet are direct connections between the host server and the connecting device. false
True or False? All packets travel in a direct path from the sender and receiver of the information. false
True or False? Packets can arrive at their destination out of order. true
How many bits are used to create an IP address? 32
What does DNS stand for? domain name system
How many bytes are in a kilobyte? 1024
What terms refers to the transmission capacity of a connection measured by bitrate? bandwidth
What term refers to the standardized rules for linked computers to communicate in a networked environment? transmission control protocol (TCP)
What component of a CPU is used to store 1 bit of information? transistor
What mechanism is used by the CPU to move from one instruction to the next? clock
What component of the computer is used to cycle information from the CPU to SIMM modules? bus
Created by: butterfield
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