CSE 3: Personal Computers Midterm Study Guide

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the acronym RAM stands for...

Random Access Memory

The acronym ROM stands for

Read Only Memory

______ is a data storage device used for storing and retrieving digital info using one or more rigid rapidly rotating disks (platters) coated with magnetic material

a Hard Disk Drive (HDD)

which of the following is a QR code most likely used for?

a link to a website on an event poster

which of the following is not considered a Personal Computer (PC)

a mainframe

an Ultra HD screen has...

a total resolution of 3840 pixels by 2160

A(n) ______ is software used by a computer to perform a set of tasks or functions for the benefit of the user

application

what does ALU stand for

arithmetic logic unit

adding two inputs is a(n)

arithmetic operation

a ______ is a block of thin and thick lines placed on a product so that it can be scanned for pricing or other information

bar code

binary is an example of what kind of numeral system?

base-2

what is typically the smallest addressable unit of memory on a computer system

byte

____ is a small block of very fast memory typically between 512 Kb and 2 Mb in size

cache

the primary user interface of modern smartphones (such as iPhones or Android phones) is operated through the use of a

capacitive touchscreen

the acronym CPU stands for

central processing unit

what is typically the primary difference between smartphones and tablets?

dimensions

before web browsers, the primary draw the internet held for the general public was...

email

A(n) _____ is a computer system which is part of a larger system which performs a dedicated function

embedded computer

in a video monitor, lower response time results in...

faster video transitions therefore fewer visible image artifacts

which of the following storage units are solid state (no physical moving parts)?

flash memory

the msot common color printers are....

inkjet printers

a(n) ______ repeatedly passes a laser beam back and forth over a engatively charged cylinder called "drum" to define a differentially charged image

laser printer

determining whether one value is equal, greater, or smaller than another value is a(n)

logical operation

a common hand-held input device used to move a cursor around a computer screen is called a

mouse

a commone hand-held input device used to move a cursor around a computer screen is called a...

mouse

when a CPU has more than a single processor, it is called...

multi-core processor

which of the following is not a unit of measure for computer storage?

nanobyte

Silicon chips were eventually replaced in computers by...

nothing yet

What is the primary difference between a laptop and desktop

portability

In 1843, Ada Lovelace predicted that computers could be used to:

produce graphics, be useful to science, compose music

____ is the total amount of time it takes to respond to a request for service on a display

response time

_____ is when several processes on a computer system are executed after the othere on a single processor

serial processing

a computer's primary storage can be likened to a person's...

short term memory

which of the following is an example of speech recogntition?

siri

_____ have no mechanical components

solid state drives (SSD)

_____ allows a computer system to identify human language and convert it into a form a computer can interpret

speech recognition

the Amazon Echo and Apple's Siri now use which input method?

speech recognition

these systems are helpful to people who cannot use their hands while they work...

speech recognition

the number 5 in hexadecimal is ____ in decimal

5

______ is an encoding for English alphanumeric characters as a 7-bit numbers

ASCII

how many bytes are in a kilobyte?

1000

which of the following represents the binary number 1011 in decimal?

11

With microprocessors, the integration of a whole _____ onto a single chip oro n a few chips greatly reduced the cost of processing power

CPU

the first mechanical computing device ever designed was Charles Babbage's

Difference engine

Which of the following is considered to be the first general purpose computer?

ENIAC

_____ developed the first micro processor

Intel

what is one of the main differences between LED/LCD and CRT monitors?

LED/LCD moniotrs are a type of flatscreen display and CRTs are not

The trend which states that the number of transistors per square inch on Integrated Circuits (IC) has doubled every two years since the integrated circuit was invented is called what?

Moore's Law

In which country was the ARPANET developed?

USA

a form of random access computer memory used to store image data for computer display hardware

VRAM

a ______ is software used for locating, retrieving and displaying content on the World Wide Web

Web browser

a digitizing tablet is controlled by a _____ and allows the user to ______ onto a computer

stylus/ enter drawings

in 1939, Konrad Zuse created this programmable electronic computer

the Z1

The simultaneous communication process between a mainframe and several users is known as

timesharing

the most commone pointing device used on laptops is the...

touchpad

which technology, after 1948, filled the role of vacuum tubes incomputers?

transistors


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