IT 104 Midterm GMU Exam Questions
With Correct Answers
Which type of disc is a type of storage media that consists of a flat, round, portable metal disc
made of metal, plastic, and lacquer that is written and read by a laser? - answer✔✔Optical
How is printer resolution measured? - answer✔✔dots per inch
What is the descriptor for a filter that warns or blocks you from potentially fraudulent or
suspicious websites? - answer✔✔phishing
What is the purpose of memory management? - answer✔✔to optimize the use of RAM
_____ is a type of high-speed memory that a processor can access more rapidly than main
memory. - answer✔✔Cache memory
The amount of data, instructions & information that can travel over a communications channel is
sometimes called? - answer✔✔bandwidth
You have a camera with a 16 MP resolution. How many pixels are represented by that
resolution? - answer✔✔16 million
(Think M=million)
When 8 bits are grouped together as a unit, how many individual characters can these 8 bits
represent? - answer✔✔256
Which of the following kinds of file utilities shrink the size of a files - answer✔✔file
compression
Which type of software has no restrictions from the copyright holder regarding modifications of
the software's
internal instructions and its redistribution? - answer✔✔open source software
Your new home has a vacuum system, what kind of computer is controlling it? -
answer✔✔embedded computer
What is mapping? - answer✔✔The process in which different data models are linked to each
other using s defined method.
The primary purpose of a modem is to: - answer✔✔allow digital devices to transmit data over
analog phone lines.
Why is virtual memory useful? - answer✔✔Virtual memory is used for storing data for rapid
access on a hard drive. This allows use to use it for multitasking, larger programs, flexibility, and
changing times.
What numbering system uses only the numbers 0 and 1? - answer✔✔binary system
Name 3 Email Protocol types - answer✔✔SMTP, POP, IMAP
HTTP & HTTPS - answer✔✔Formatting requests and responses between clients and servers
Which of the following kinds of programs displays an online advertisement in a banner or pop-
up window on webpages, email, or other Internet service? - answer✔✔adware
What is the most common reason for installing a Wi-Fi hub in a home? - answer✔✔to allow PCs
to connect to a network without wires
Which of the following is not part of an APA citation style for an electronic reference? -
answer✔✔city from which webpage is published
What does a disk cleanup utility do? - answer✔✔searches for and removes unnecessary files
Which LAN topology REQUIRES all nodes (workstations or terminals) to have a dedicated line
that is wired directly to a central computer (server)? - answer✔✔Star
Why is a fragmented disk slower than one that is defragmented? - answer✔✔A fragmented disk
has many files stored in noncontiguous sectors.
The formula =$A$1+$A$2 contains: - answer✔✔absolute cell references
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