BCIS lesson 1
Laptop
, also called notebook computers, are designed for portability. They are characterized by their smaller size and are encompassed in one single case.
System Unit
, or chassis, is the case where computer components are housed, and can be metal or plastic.
Intel
A company that develops processors and are most commonly used in prefabricated computer systems, such as those made by Dell and HP.
Cooling Fan
A fan located inside a computer case used for cooling purposes.
Personal Computer (PC)
A is defined, as a computer designed for use by a single person.
_____ is designed to help the user perform a specific task.
Application software
Register
Are temporary storage locations: Some operations require the control unit to store data temporarily. They are used to store data and instructions inside the processor.
The __________ chip stores the startup instructions for your computer.
BIOS
A __________ is responsible for moving data from an input device into memory, and from memory into the CPU.
Bus
The __________ is referred to as the "brain" of a computer, and is responsible for the processing of all data.
Central processing unit (CPU)
Memory
Circuitry that retains information temporarily so that it is readily available to the central processing unit.
Peripheral Device
Components located outside of the system unit. can include printers, monitors, scanners, speakers, keyboard, a mouse, and storage devices.
BIOS (Basic Input/Output System)
Computer firmware that directs many basic functions of the operating system, as booting and keyboard control.
_________ is the knowledge and ability to use computers and technology efficiently
Computer literacy
Control Unit
Contains circuitry that uses electrical signals to direct the entire computer system to carry out, or execute, stored program instructions.
The CPU is comprised of three components: the __________, __________, and __________
Control unit, arithmetic logic unit, registers
Processor (CPU)
Executes the computer programs, which are sequences of stored instructions.
The figure below is a powerful computer capable of handling the processing tasks for many users simultaneously.
FALSE
Plug and Play (PnP)
Hardware or software that, after being installed ("plugged in"), can immediately be used ("played with"), as opposed to hardware or software which requires configuration.
The four basic operations that a computer performs; input, process, output, and storage are referred to as the _______
Information processing cycle
________ are hardware lines used by devices to interrupt signals to the CPU. It allows the CPU to interrupt its current job to process the present request.
Interrupt request lines (IRQ)
Software
Is a collection of programs that tells the computer what to do.
Pipelining
Is a processing technique that feeds a new instruction into the CPU at every step of the processing cycle, allowing more instructions to be executed in a shorter period of time.
Social network
Is a website where you can keep informed as to what your friends and family are doing.
Advanced Micro Devices
Is an American multinational semiconductor company that develops computer processors and related technology.
Chipset
Is the component that routes data between the computer's buses, so that all the components which make up the computer can communicate with each other.
Bus Width
Located on the motherboard; a bus is an electronic line that allows 1's and 0's to move from one place to another. A bus carries data and instructions back and forth between various devices on the board itself.
Bus
Located on the motherboard; is an electronic line that allows 1's and 0's to move from one place to another. A bus carries data and instructions back and forth between various devices on the board itself.
The __________ is the circuit board that connects the central processing unit and other system components.
Motherboard
A __________ can be used for components such as Ethernet cards, sound cards, and modems.
PCI slot
________ is the process by which the inactive (not currently being used) virtual pages are saved onto the hard disk and are then restored to real memory when the user needs to activate a particular application.
Paging
_______ are located outside of the system unit and are used to provide additional functionality to a computer system.
Peripheral devices
Flash Memory
Portable non-volatile memory.
ROM
Refers to computer memory chips containing permanent or semi-permanent data. Unlike RAM, it's non-volatile; after the computer is turned off, its contents will remain in ROM.
Word Size
Refers to the maximum amount of data that the CPU can process at one time.
Expansion Slots
Sockets located on the motherboard into which adapters are connected.
_______ is a collection of programs that instructs the computer what to do.
Software
Drive Bays
Space inside the computer case where a hard drive, floppy drive, or CD-ROM drive is located.
The __________ is the case where computer components such as the motherboard, hard drive, and the cooling fan are housed, and it can be metal or plastic.
System unit
The primary function of the central processing unit (CPU) is to turn, or process data into information.
TRUE
Machine Cycle
The CPU executes a round of steps of getting an instruction back to getting the next instruction.
Motherboard
The main circuit board of a microcomputer, which also holds the CPU chip or central processing unit.
Random Access Memory
This memory is the part of the computer that temporarily stores data, documents, applications, and the operating system.
Parallel Processing
Uses more than one processor running simultaneously. _____________ simultaneously processes the same task on two or more microprocessors in order to achieve faster results.
_____ refers to the maximum amount of data that the CPU can process at one time.
Word size
The __________ (sometimes called the memory bus) transports memory addresses, which the processor wants to access in order to read or write data.
address bus
Cache Level 1
built into the CPU itself is referred to as Level 1 (L1) ________ . L1 _________ is a unit of 8 KB to 64 KB of superfast memory that runs at the same speed as the CPU.
Power Supply
changes normal household electricity into electricity that a computer can use.
Information processing cycle
consists of the four basic operations a computer performs: input, processing, output, and storage.
Hot Swapping
enables devices to be connected and disconnected without shutting down the computer.
the figure below represents the information processing cycle.
false
Utility Program
help manage, maintain, and control computer resources. These programs are available to help you with the day-to-day chores associated with personal computing and to keep your system running at peak performance.
Motherboard
houses all of the computer circuitry, including the CPU, RAM, and other system components.
Data
is a collection of raw unprocessed facts, figures, and symbols
Server
is a computer designed to provide services to client machines in a computer network.
Port
is a connector located on the motherboard or on a separate adapter.
Workstation
is a desktop computer that has more processing power, additional memory, and enhanced capabilities for performing special tasks such as 3D graphics or game development.
Terminal
is a device that has a screen and keyboard for input and output, but it does not do its own processing (they are also called dumb terminals since they can't process data on their own).
Mainframe
is a large, powerful computer that handles the processing for many users simultaneously (up to several hundred users).
Cache
is a small unit of superfast memory built into the processor that stores frequently or recently accessed program instructions and data.
Netbook
is a type of laptop defined by size, price, horsepower, and operating system. They are small, inexpensive, and usually do not have the capabilities of a laptop.
Tablet PC
is a wireless, portable personal computer with a touch screen interface. A tablet is typically smaller than a notebook computer but larger than smartphone.
Computer
is an electronic device that manipulates data. It has the ability to store, retrieve, and process data.
Application Software
is designed to help the user perform a specific task.
Desktop
is designed to stay in a permanent location and is not easily portable.
Information
is processed data that is organized, meaningful, and useful.
Processing
is the ability to turn data, or raw fact, into meaningful information.
Input
is the action of entering data—raw facts into a computer.
Computer literacy
is the knowledge and ability to use computers and technology efficiently.
Hardware
is the physical components of the computer and its related devices.
Output
is the result of processed data - information.
Sound Components
lets a computer play and record high-quality sound.
Virtual Memory
often as simulated on a hard disk, that emulates RAM, allowing an application to operate as though the computer has more memory than it actually does.
Supercomputer
perform high, complex processes such as scientific operations or weather forecasting.
System software
refers to the operating system, and utility programs that manage computer resources.
System Unit
resembles a box that houses the computer's main hardware components. The system unit provides a casing for internal components, including storage devices, fan, power supply, and connectors for input and output devices.
Storage
saving the output, on a storage device for later use.
Cache Level 2
that resides on a separate chip next to the CPU is called Level 2 (L2) ________, which is a small amount of ultrafast memory, from 256 KB to 2 MB, used to store frequently accessed data.
Arithmetic Logic Unit
the part of a central processing unit that performs arithmetic and logical operations.
A hard drive is a common storage device.
true