Question

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1. In what two major parts could be computer operations divided?
2. What are arithmetic operations?
3. What are logical operations?
4. Can computer compare two graphical objects?
5. What makes computer so different from other tools?
6. What is an embedded computer? What modern devices have embedded computers?
7". How many are types of data?
8. What is physical data?

Much of the processing computers can be divided into
two general types of operation. Arithmetic operations
are computations with numbers such as addition, subtraction, and other mathematical procedures. Early computers performed mostly arithmetic operations, which
gave the false impression that only engineers and scientists could benefit from computers. Of equal importance
is the computers ability to compare two values to determine if one is larger than, smaller than, or equal to the
other. This is called a logical operation. The comparison
may take place between numbers, letters, sounds, or even
drawings. The processing of the computer is based on
the computer's ability to perform logical and arithmetic
operations.
Instructions must be given to the computer to tell it
how to process the data it receives and the format needed
for output and storage. The ability to follow the program
sets computers apart from most tools . However,- new
tools ranging from typewriters to microwave ovens have
embedded computers, or built-in computers. An embedded
computer can accept data to use several options in it's
program, but the program itself cannot be changed. This
makes these devices flexible and convenient but not the
embedded computers itself.
Types of data
With the advent of new computer applications and
hardware, the definition of data has expanded to include
many types.
Numeric data consists of numbers and decimal points,
as well as the plus (+) and minus (—) signs. Both arithmetic
operations and logical operations are performed on numeric
data. This means that numbers can be used for calculations
as well as sorted and compared to each other.
Text, or textual data, can contain any combination of
letters, numbers and special characters. Sometimes textual data is known as alphanumeric data.
Various forms of data that we can hear and see makes
up audio-visual data. The computer can produce sounds,
music and even human voice. It can also accept audioinformation as an input. Data can also take form of drawings and video sequences.
Physical data is captured from the environment. For
example, light, temperature and pressure are all types
of physical data. In many large "buildings, computer
systems process several kinds of physical data to regulate
operations. Computers can set off security alarms, control
temperature and humidity, or turn lights on and off, all
in response to physical data. These applications increase
people's safety and save the time and money

Answer 1

1. In what two major parts could be computer operations divided? Arithmetic operations and logical operations.
2. What are arithmetic operations? Computations with numbers.
3. What are logical operations? Comparing values.
4. Can computer compare two graphical objects? Yes, it can.
5. What makes computer so different from other tools? The ability to follow the program. It can produce human voice.
6. What is an embedded computer? Which is inside a tool. What modern devices have embedded computers? Any tools ranging from typewriters to microwave.
7. How many are types of data? Physical data, textual data, numeric data.
8. What is physical data? Such as light, temperature and pressure and so on.