Spring Final Review A

Which of the following best describes how computing devices represent information?

• A computer will either represent information as bits or bytes but not both.

• A computer represents data as a byte which is either a 0 or a 1.

• A computer represents data as bits which is either a 0 or a 1.

• A computer represents information as bits which contain 8 bytes.

Which of the following is NOT true of how computers represent complex information?

• Computing devices use patterns of bits to represent complex information.

• Abstraction helps represent complex information by surfacing complexity that might otherwise be hidden.

• Depending on context the same sequence of bits may represent different types of information.

• Common abstractions that are represented by computing devices include numbers, characters, and color.

Which of the following represents the number system of base 10?

• ASCII

• Binary

• Decimal

• Bit Rate

______ is the number system of base 2, using only bit 0 and 1.

A binary question is defined as:

• A piece of information that is sent in pairs

• A message which might have two possible states

• Two questions which share the same answer

• A question which can be answered in only one of two possible ways

The __________ is a global network of computers linked by high-speed data lines and wireless systems.

The __________ is just one of the several services provided by the Internet, which consists of a system of networks and servers.

Which of the following Internet protocols is used to request and send pages and files on the World Wide Web?

• Transmission Control Protocol (TCP)

• Internet Protocol (IP)

• User Datagram Protocol (UDP)

• HyperText Transfer Protocol (HTTP)

HTML or __________ is the standard markup language used to create web pages.

__________ are an example of data abstraction. They allow us to name and program with large collections of information while ignoring the low-level details of how the data is stored, organized, etc. These programs are easier to develop and maintain.