QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) ALREADY GRADED A+
ASCII (American Standard Code for Information Interchange)
Ans✓✓✓A code that represents characters as a series of 1s and 0s.
Most computers use this code to represent text, making it possible to
transfer data between computers.
Binary Ans✓✓✓The representation of data using two options, such as
off-on or 1-0.
OCR (Optical Character Recognition) Ans✓✓✓The ability of a device
or software to digitize text from printed sources.
microprocessor clock Ans✓✓✓a timing device that sets the pace for
executing instructions.
Niche Device (speciality devices) Ans✓✓✓all contain a microprocessor:
smart watch, ebook reader.
WAN (Wide Area Network) Ans✓✓✓An interconnected group of
computers and peripherals that covers a large geographical area.
(Internets the worlds largest)
, LAN (Local Area Network) Ans✓✓✓An interconnected group of
computers and peripherals located within a relatively limited area.
(campus)
PAN (Personal Area Network) Ans✓✓✓An interconnected group of
personal digital devices located within a range of about 30 feet.
Handshake Ans✓✓✓A process where a protocol helps two network
devices communicate. (Negotiations of protocols)
Operating System (OS) Ans✓✓✓The software that controls the
computer's use of its hardware resources: memory and disk storage
space
(required for computer to work)
Compression (zipping) Types Ans✓✓✓data compression (recodes the
data in a file that. contains fewer bits)
lossless compression (reconstruct it into its original state)
lossy compression (throws away some of the original data during the
compression process)
MIDI (Musical Instrument Digital Interface) Ans✓✓✓specifies a
standard way to store music data for computers.
Music composition software with MIDI support makes it easy to place
notes