CGS Exam 1

Select the peripherals

printer monitor tablet smartphone

The number of pixels in an image is called the images _______

resolution

The diagonal measure of the visible display is known as _____

screen size

What devices use a virtual keyboard?

-Tablet -smartphone -laptop -Desktop

The advantages of a point and shoot camera over a smartphone camera

-point and shoot cameras often have larger pixel sensor arrays, providing higher resolution -point and shoot cameras being thicker often come with optical zoom capacity -point and shoot cameras include front and rear facing cameras.

Rank the storage capacities from highest to lowest. Start with the highest capacity first

1. Petabyte 2.Terabyte 3.gigabyte 4.megabyte 5.kilobyte

Port

A slot or hole that matches the cord or expansion card being connected to the point

Plug and Play

A technology that enables the OS to detect and configure peripherals without downloading software or drivers

Plug and play

A technology that enables the OS to detect and configure peripherals without downloading software or drivers.

Thunderbolt

A type of FireWire port. Commonly found on Apple Computers

Select the ones that are true A.in one computers house every component except the keyboard and mouse inside the same case as the monitor B. All in one computers are designed to be highly mobile so that they can be used by people on the go C.All in one computers are hinged computers D. All in one computers are stationary with a separate keyboard and mouse

B, D

A device commonly used for checkout in stores, that measures the reflection of a laser beam, is called a ______ reader

Barcode

CRTL +B

Bold

If you plan to write software for the PC games you should probably learn C or

C++

The coding step of the PDL might use which of the following languages? Russian Spanish C++ english

C++

MIDI

Capable of carrying digital music signals and are common in todays music scene

Blu-ray

Capacity of up to 50 GB

CD

Capacity of up to 700MB

DVD

Capacity of up to 8.5 GB

Characteristics of a traditional hard drive

Contains platters Contains read/write heads Stores data magnetically uses lasers to read data

The system analysis step of the SDLC involves 3 phases. Select these three phases

Data collection- gathering info about needs and existing hardware and software prepare the system specifications

Which of the following computers might maintain a traditional hard drive? Ipad iphone 6 dell desktop computer samsung galaxy

Dell desktop computer

purchasing the necessary software for the system is part of the system _____ step in the SDLC process.

Development

Todays computer key board was named after Sir Wesley Reginald Qwerty, inventor of the type writer.

FALSE

Intel

Founded in 1968, this is the worlds largest manufacturer of processors

AMD

Founded in 1969, this companies technology is featured inside every major next generation gaming console and home entertainment system.

Nvidia

Founded in 1993, produces popular mobile device processors.

A seperate processor (computer) in your computer that enhances your video is called the ____

Graphic processor (GPL)

A separate processor in your computer that enhances your video is called the

Graphic processor (GPU)

The visual image output that a computer creates is known as ____

Graphics

aComputer hardware and software that an organization uses to increase its performances is referred to as its ___

IT System

A program that can be used to convert a single line of C# into a machine language without having to compile the entire program is called a C# ____

Interpreter

The process used to develop and maintain an IT system is referred as the SDLC. SDLC stands for the System Development ___ Cycle.

LIFE

Instructions that allow a computer to be used are written using specific symbols, letters and numbers known as programming ______ or code

Language

because of their compact size, touch pads are most often used with ____ computers

Laptop

A smartphone typically has numerous apps. A laptop typically has ___ RAM than a smartphone

More

When a computer is shut down, the information in the memory (the RAM, the caches, the registers) is ________

Not saved

Though currently expensive, curved and paper thin displays are possible using ____ display technology

OLED

Printer peed is described using which acronym

PPM

the first step in the program development life cycle is "Defining the ____"

Problem

CTRL +A

Select all

two in one computer

Similar to a tablet but comes with a detachable keyboard/touchpad unit

factors that should be considered when purchasing external speakers for a digital device

Sound quality portability price resolution

which has the most storage capacity? A. gigabyte B. Kilobyte C.megabyte D. Terabyte

Terabyte

Type of connector that is most common for connecting peripherals (Printers, monitors, storage devices etc) to a windows computer?

USB

Many computers use ______ which is a coding scheme using at least 16 bits to represent a character

Unicode

if it can be answered as either yes or no, or true or false, the question is called

binary

Represented as either a 0 or a 1, a ___ is the smallest unit of data a computer can posses

bit

In ASCII, eight bits are combined together to create one ______

byte

Laptop computer

designed for those who need a mobile computer but need to enter a large amount of data

All in one computer

designed to stay on a desk; provides a large monitor but takes up less space than a desktop computer

devices with a separate system unit and a relatively large footprint are called ______ computers

desktop

Purchasing the necessary software for the system is part of the system _____ step in the SDLC process

development

Gigahertz

equals one billion cycle (instructions) per second

Megahertz

equals one million cycles (instructions) per second

The final step in the system development life cycle is maintaining the system. Select the two phases of this step. system audit evaluation phase training phase system analysis

evaluation phase training phase

Tablet computer

highly mobile that can be used while standing or even walking

Lower range tones generally require ______ speakers

larger

the 5th step in the SDLC process is the system implementation phase. during this phase the new system is brought online. Select methods of converting an organization from an older IT system to a newer IT system.

-Direct conversion: shutting down the old system completely starting the new one -parallel conversion- running both systems side by side for a while and then shutting down the system -Holiday conversion- placing the new system online while everyone is gone

Bus

A channel over which information flows inside a computer

A test of the new software conducted by the programmers themselves or by contracted evaluators working alongside the programmers is one of the first phases of the testing process in the PDLC. This is referred to as a ____ test

Alpha

Most PC games have been written in either ___ or ___

C C++ HTML 5 Sanskrit

Clock speed, also referred to as ____, is the speed at which the processor performs the operations required to run a digital device and instructions executed by the digital device

Clock rate

The 3 phases that should be accomplished in the investigation step of the SDLC includes

Defining the problem. What should the system do? who will be using this IT system? Examining alternatives. Reporting. Document your investigations findings Maintenance. Conduct any routine or unprogrammed maintenance of the system

After the problem has been clearly defined, the next step in the PDLC is to create the plan or algorithm. This plan is usually written as a _____ and is written in an ordinary language, such as english

Flowchart

While not technically a programming language ____ refers to the protocols that allow content to display on the web

HTML

while not technically a programming language, ___ refers to the protocols that allow content to display on the web

HTML

Once the algorithm or plan has been created, the next step in the PDLC is to write the coding for the program. This highly structured process may be completed using which language?

JAVA, C++, English

The abbreviation for megahertz is A. mez B. mb C. MB D. MHz

MHz

The actual number of pixels in a monitor is called ____ resolution

Native

JSON stands for JavaScript ____ notation

Object

Connector

On a cable, the connector is the end that connects to a point

Data from the hard drive reaches the CPU ____ than data from the RAM

Slower

Bus Width

The amount of data that can be transmitted over a channel at a given time.

After the problem has been clearly define, the next step in the PDLC is to create the plan or algorithm. This plan is written as a flow chart, and is in written in an ordinary language, such as ______

english

Hertz

equals one cycle (instruction) per second

Television remote usually uses ___ waves

infared

a process tat has an initial value, a process and a test condition that can potentially return the program to the initial value is called a ____

loop

because objective C was difficult to write in, Apple developed _____, a programming language for writing software for the MAC OS and the IOS

swift

select the program you would use if you want to write apps for the iphone

swift

HDMI allows for

the transmission of high definition audio and video signals

USB

Allows for data transfer between devices and for devices to be electronically charged.

HDMI

Allows for the transmission of high definition audio and video signals

The cost of an SSD is _________ than the cost of a traditional hard drive

Higher

Combining the power of a desktop with a neat, clean, look _____ computers are popular with businesses. Their lack of expandability make them less popular with serious gamers though

all in one

the 2nd step of the SDLC process involves collecting data about existing hardware and software, analyzing this data and preparing specifications for the system. This is called the ____ system

analysis

A graphic representation of a process is called a ___

flow chart

The 1st step in the SDLC involves defining the problems that the IT system should address, examining various alternatives and reporting the findings. this is referred to as the ______ step

investigation

typical hard drive capacities would be measured in

terabytes and gigabytes