CSE 3 Personal Computers Midterm 1
When you are working on an unsaved document on a PC, where is the document temporarily saved?
The RAM
In 1939, Konrad Zuse created this programmable electronic computer
The Z1
_____ is a data storage device used for storing and retrieving digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material
a Hard Disk Drive (HDD)
______ uses integrated circuit assemblies as memory for long term data storage.
a Solid State Drive (SSD)
How many bytes are in a gigabyte?
a billion
Smaller dot pitch indicates _____
a sharper image
Accelerators can be found in the following devices:
all of these answers
Which of the following are examples of ASCII characters? >! >$ >@ >all of these answers
all of these answers
A _______ number is represented by a string of 0's and 1's (e.g. 1010).
binary
Which of the following is not unit of measure for computer storage? >megabyte >kilobyte >gigabyte >nanobyte
nanobyte
A computer's display is also called ______
the monitor
The most common pointing device used on laptops is the
touchpad
What is the most common output device for a personal computer?
video monitor
Which of the following is the earliest version of the present day Internet?
ARPANET
_____ is an encoding for English alphanumeric characters as 7-bit numbers.
ASCII
In 1843, Ada Lovelace predicted that computers could be used to:
All of these answers
A ______ is a personal computer which stays in one location (e.g. office) due to its larger form factor.
Desktop
The first mechanical computing device ever designed was Charles Babbage's
Difference Engine
What is typically the primary difference between smartphones and tablets?
Dimensions
This alternate keyboard layout places commonly-used letters in more central locations than the standard keyboard layout:
Dvorak
Before web browsers, the primary draw the internet held for the general public was
Which of the following storage units are solid state (no physical moving parts)? >Flash Memory >CD-Rom >Hard Disk Drive(HDD) >Cassettes
Flash memory
Which of the following is not a web browser?
Gmail
On the first day of class, the instructor said his favorite color was
Green
A common hand-held input device used to move a cursor around a computer screen is called a
Mouse
What is the practice of data exchange between computers called?
Networking
When you are using the Internet, you are ____ with other computers.
Networking
Silicon Chips were eventually replaced in computers by
Nothing
Processing information involves ____
Performing arithmetic or logical operations on binary data
What technology made it possible for computers to become small enough to fit on a person's desk (and later in a pocket)?
Silicon Chips
Which are the most common input devices for a personal computer?
keyboards and pointing devices
How many bytes are in a kilobyte?
1000
The number 5 in hexadecimal is ______ in decimal.
5
Which of the following represents the binary number 110100 in decimal?
52
The camera on a phone or laptop can be used to track a user's eye movements. Which of these is NOT one of the possible applications of this technology (as listed in the course reading):
All of these answers are possible applications of eye tracking
____ is a disk drive that uses laser light to read from or write to optical discs
An Optical disc drive (ODD)
Adding two inputs is a(n)
Arithmetic operation
The acronym CPU stands for
Central Processing Unit
A(n) ______ is a type of display technology which uses liquid crystals in the video panel.
LCD
What is one of the main differences between LED/LCD and CRT monitors?
LED/LCD monitors are a type of flatscreen display and CRTs are not.
A ______ is a portable personal computer which can be stowed away for transport and has a small form factor.
Laptop
Determining whether one value is equal, greater, or smaller than another value is a(n)
Logical operation
Which of the following most correctly defines the function of a supercomputer? >Storage Capacity >Processing Speed >Timesharing >Data Security
Processing speed
Charles Babbage's Analytical Engine was programmed using
Punched cards
Which is the most commonly used layout for English-language keyboards?
QWERTY
______ allow an electronic reader to automatically track and identify tags, which contain stored information, attached to objects using electromagnetic fields and radio waves.
RFIDs
______ is the total amount of time it takes to respond to a request for service on a display.
Response time
The simultaneous communication process between a mainframe and several users is known as
Timesharing
Which technology, after 1948, filled the role of vacuum tubes in computers?
Transistors
_____ is a character encoding system that can range from 7 to 32 bits which represent text and symbols used in a wide variety of languages worldwide.
Unicode
______ is a form of random access computer memory used to store image data for computer display hardware.
VRAM
_______ software makes it possible to run multiple operating systems and multiple applications on the same server at the same time
Virtualization
______ is a small block of very fast memory typically between 512 Kb and 2 Mb in size.
cache
A ______ is a large vacuum tube that uses a directed electron beam to display video on a phosphorescent screen.
cathrode ray tube (CRT)
The higher the resolution of a monitor, the _____
closer together the pixels
The most common color printers are ____
inkjet printers
