Final Exam Flashcards by Renee Sbrissa

System software

software designed to provide a platform to other software. Ex) operating software

How well did you know this?

Not at all

Perfectly

3 types of software

operating systems, device drivers and utility software

How well did you know this?

Not at all

Perfectly

Application software

is any program, or group of programs, that is designed for the end user (for the consumer) ex) spreadsheet

How well did you know this?

Not at all

Perfectly

Utility software

software designed to help to analyze, configure, optimize or maintain a computer. It is used to support the computer infrastructure

How well did you know this?

Not at all

Perfectly

Input device

is a piece of computer hardware equipment used to provide data and control signals to an information processing system such as a computer or information appliance. Ex) keyboards and mouse

How well did you know this?

Not at all

Perfectly

Output device

is any peripheral that receives data from a computer. Ex) monitor and projector

How well did you know this?

Not at all

Perfectly

Unidirectional microphone

Picks up sound predominantly from one direction.

How well did you know this?

Not at all

Perfectly

Omnidirectional microphone

pick up sound with equal gain from all sides or directions of the microphone.

How well did you know this?

Not at all

Perfectly

Inkjet printer

characters are made with jets of ink

How well did you know this?

Not at all

Perfectly

Non impact printer

A type of printer that does not operate by striking a head against a ribbon. ex) laser printer or non impact and inkjet printers

How well did you know this?

Not at all

Perfectly

Impact printer

class of printers that work by banging a head or needle against an ink ribbon to make a mark on the paper. Ex)dot-matrix printers and line printers

How well did you know this?

Not at all

Perfectly

Parallel and serial

Since one bit follows another in Serial Transmission whereas, in Parallel Transmission multiple bits are sent together. Parallel transmission is faster as the data is transmitted using multiples lines whereas, in Serial transmission data flows through a single wire.

How well did you know this?

Not at all

Perfectly

Modem

A modem is a device or program that enables a computer to transmit data over, for example, telephone or cable lines

How well did you know this?

Not at all

Perfectly

Ethernet

a system for connecting a number of computer systems to form a local area network, with protocols to control the passing of information and to avoid simultaneous transmission by two or more systems.

How well did you know this?

Not at all

Perfectly

DVI

used to connect a video source, such as a video display controller, to a display device, such as a computer monitor.

How well did you know this?

Not at all

Perfectly

Toggle key

used to alternate the input mode of a group of keys on a keyboard.

How well did you know this?

Not at all

Perfectly

Mainframe

the central processing unit and primary memory of a computer.

How well did you know this?

Not at all

Perfectly

A webcast is updated automatically

False

How well did you know this?

Not at all

Perfectly

What is B2B?

business to business.” It refers to sales you make to other businesses rather than to individual consumers

How well did you know this?

Not at all

Perfectly

Satellite

-provides high speed internet -used in rural area

How well did you know this?

Not at all

Perfectly

Cable

an insulated wire or wires having a protective casing and used for transmitting electricity or telecommunication signals.

How well did you know this?

Not at all

Perfectly

What does a system software do?

-helps run the computer -coordinates instructions between application software -helps manage system resources

How well did you know this?

Not at all

Perfectly

Computer subsystem?

-storage system -CPU system -memory system

How well did you know this?

Not at all

Perfectly

Expansion card

a circuit board that can be inserted in a computer to give extra facilities or memory.

How well did you know this?

Not at all

Perfectly

Cache memory

used by the central processing unit of a computer to reduce the average time or energy to access data from the main memory. Smaller, faster memory, closer to a processor core, which stores copies of the data from frequently used main memory locations.

Front side bus

-is a computer communication interface -connected to the CPU system memory

Expansion hub

is a low-cost education device that can communicate with any computer

ALU (arithmetic logic unit)

-the part of a computer that performs all arithmetic computations -one component of the CPU

Fastest optical drive on the market?

Blu-ray drives

Computer network

two or more computers connected with software and hardware so they can communicate

Network node

some devices that are part of network infrastructure (network connectivity gear) can also be network nodes: hubs, routers, and switches.

LAN network

is a computer network that spans a relatively small area. Most often, a LAN is confined to a single room, building

A peer-to-peer network

-are computer systems which are connected to each other via the Internet. -most common type of home network

Client/server network

one centralized, powerful computer is a hub to which many less powerful personal computers or workstations are connected.

WAN network

extends over a large geographical distance/place.

Switches

network multiple computers together

Radio waves

-wireless network -transmission medium

Transceiver

is a hardware device designed to connect computers or electronic devices within a network, allowing them to transmit and receive messages.

Twisted-pair cable

-two insulated wires twisted around one another -megabits (slow)

Analog

images are representation of light waves or continuous waves

An analog to digital converter chip?

converts sound waves from a voice into digital format

The amount of RAM recommended for most systems, is measured in

gigahertz

Memory modules

small circuit boards that hold series of RAM chips

To make sure your computer performs reliably, you can do all the following EXCEPT: -increase the front side bus speed -run the disk defragmenter -clean out your startup folder -clear out unnecessary files

-increase the front side bus speed

What port wouldn't be common to have in a computer today?

parallel

Info about your computers video card can be found in the

advanced settings of the display settings dialog box

A computer system becomes memory bound when

there is not enough RAM installed

The CPU is connected to the system memory by the

front side bus

When referring to hard drives, access time is measured in

milliseconds

Running the Disk defragmenter utility will

make the hard drive work more efficiently

The greatest nonvolatile storage capacity in the computers system is found in the

hard drive

If you are wondering wether you need more RAM, which subsystem you should evaluate?

memory

PC hard drives have storage capacities of up to

1.5 terabytes

When referring to hard drives, seek time and latency are two factors that make up

access time

An Ethernet port is technically called

RJ-45 jack

what form of portable storage is considered as magnetic media?

floppy disk

CPU consists of what two partS?

the control unit and arithmetic logic unit

The control unit is part of?

the CPU

What storage is referred to as optical media?

DVD

What type of memory is referred to the amount of RAM that is actually on the memory modules

physical memory

All of the following are forms of RAM except: -XRAM -DRAM -SRAM -SDRAM

XRAM

CPU is measured in

hertz

Where is the CPU located

the motherboard