Answer:
Radio spectrum is the part of the electromagnetic spectrum ranging from 1 Hz to 3000 GHz.
Radio waves are EM (Electromagnetic)waves that have wavelengths between 1 millimeter and 100 kilometers (or 300 GHz and 3 kHz in frequency).
So I'm thinking the answer might be 3 kHz to 300 GHz.
Answer:
Explanation:
A stack item behaves like Last In First Out, which is equivalent to First In Last Out. FIFO and LILO are also equivalent, but they describe a queue.
This seems like more of an opinion based question, but since they added "over a longer distance" If I were you I would go with false.
Answer: I copied and pasted my answer if you need the website to cite information let me know
Explanation:
Fill Handle is a feature in Excel that enables you to auto-complete a list in a row/column by simply dragging it using your mouse. A basic understanding of fill handle in Excel could save you some time and make you more productive.
Answer:(1) To manage the computer's resources, which includes central processing unit, memory, disk drives, and printers, (2) To establish a user interface
(3)To execute and provide services for applications software.
The old mainframe computers have
(1) low memory sizes
(2) slower connectivity speed
(3) Larger sizer
(4) low sophistication.
Explanation: Operating system is a system software that manages the computer resources,helps to establish user interface and it helps to provide services for application softwares.
Operating system software includes WINDOWS X,WINDOWS 7,WINDOWS 8,LINUX,etc.
Mainframe computers are computers used by large multinational companies for processing bulk data. Old mainframe computers were produced by IBM(INTERNATIONAL BUSINESS MACHINE) in the year 1952 they are classed two scientific and commercial mainframe computers with different information although they had some incompatibilities. Old mainframe computers are large in size with low processing speed, sophistication and storage compared to present day system.