Answer the following statements true (T) or false (F)
1. Input devices are things such as a keyboard or mouse that allow the computer to receive data.
2. The CPU supervises the operation of a computer’s input unit, output unit, memory unit, secondary storage unit and arithmetic and logic unit.
3. Secondary storage stores data only while the computer is turned on.
4. An assembler converts assembly language programs into machine language.
5. High-level computer language programs are directly understood by a computer.
1. True.
2. True.
3 False. Secondary storage is used for long term storage of data, even when the computer is
turned off.
4. True
5. False. They are easily understood by humans, but must be converted into machine
language in order for a computer to understand them.
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Answer the following statements true (T) or false (F)
1) Variables declared within class methods are called instance variables. 2) Member access modifiers are used to limit how much memory is available for class members. 3) The purpose of utility methods is to support the operation of a class’ other methods. 4) A constructor should return either true or false to determine if the object was initialized properly. 5) The public methods of a class present the services that a class provides.
A ________ consists of rows and columns of data or numbers
A) chart B) graph C) table D) cell
What would be the easiest way for all users to access the database and work with the data?
What will be an ideal response?
How many channels are in 802.11ac and what is their width?
A) 20 and 40MHz B) 10 and 40MHz C) 10 and 80MHz D) 8 and 80MHz