Programming Languages
What is computer programming?
The process of developing a sequence of instructions to enable a computer to accomplish a particular task.
What is Data?
•Is information processed or stored by a computer.
Does 1 byte equal to 8 bits?
Yes
how are hexadecimal numbers used?
•they Are used on webpages to set colors.
what is a flow chart?
•a graphic representation of the step-by-step instructions of how the computer processes data.
•Write step-by-step instructions which tell the computer exactly what it should do
•Create orders for computers through computer languages, which are also called programming languages
what forms could data be?
•Can be in the form of figures, texts, images or other types of information.
Does one kilobyte equal 1024 bytes?
Yes.
•what is the decimal value of the hexadecimal number A37F?
41,885
True or False: A computer task Can be performed in multiple algorithms
True
what language has the highest level of intelligence?
−machine language.
what does data representation involve?
•Involves using binary code to represent data inside the computer.
•Can be:
−numbers
−text
−graphics
Does 24 bytes equal 204 bits?
No.
True or False: when a number reaches F, it goes one digit to the left and starts back at 0 and every digit is 16 times bigger
True
what is an linear algorithm.
•a set of computer instructions following down a list, one item at a time, without jumping among the items.
what computer language has the most usage?
−application languages.
what are algorithms?
•Are formulas which gives instructions for the computer to perform a specific task.
which numbers does the binary number system require?
0,1
what is the range of hexadecimal numbers?
•in the range of 00-FF (0-255 in decimal)
True or False: •Iterative Algorithms DO NOT Aim to find successive approximation in sequence in order to solve a problem
False.
what is a con of machine language?
−takes a long time
to write.
−easy for programmers
to make mistakes.
what can algorithms do?
tell a computer to do a simple math calculation or it can be designed to tell a computer to provide the latest sales report.
what is 1,0,1,1,0,0,1,1 equal to?
179 in decimal
16