General Model Of A Computer

Question 1

What is information and communication technology

Answer 1

It is ICT and it refers to technology is that capture, transmit and display data and information electronically and includes all devices, applications and networking elements that allow a person to connect in a digital world

Question 2

What is an ICT system

Answer 2

An ICT system refers to the overall setup, consisting of hardware, software, data and its users.

Question 3

What do ICT systems as a whole include

Answer 3

People– which supply the data and make main decisions from the output supplied from the system information

Hardware e.g input devices,storage,processor

Procedure to determine what has do be done and when

Software the computer programs which provide the step-by-step instructions to complete the task

Data this is the raw material that is persist by the system to provide the information for the output provided by the system and it income and different format such a sounds images and videos

Question 4

What is IT

Answer 4

It is the development, maintenance and use of computer systems, software, and network for processing and communicating data

Question 5

What are computers

Answer 5

They are programmable electronic devices designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations

Question 6

What can computers do

Answer 6

Computers store, transmit, retrieve and manipulate data

Question 7

What is IPO

Answer 7

Computer receives input, processes at the Endpoint as per instructors and provides output and can be stored in the desired format

Question 8

What is information

Answer 8

Computer input is called data and the output obtained after processing it is called information information is processed data

Question 9

What is data

Answer 9

Data is real fact and figures that can be processed using arithmetic and logical operations to obtain information

Question 10

What is an input device

Answer 10

Any hardware or peripheral device that allows you to enter data into a computer or interact with a computer

Question 11

What is a storage device

Answer 11

A hardware device that is used for storing data

Question 12

What is random access memory/ram

Answer 12

A hardware device that allows information and data to be temporarily stored and retrieved on a computer while it is on which is usually on the motherboard

Question 13

What is a processing device

Answer 13

A hardware device that receives the data, performs a set of instructions, and then Returns the process data to the RAM

Question 14

What is an output device

Answer 14

A device that format and presents data in a form understandable to a user

Question 15

What is a communication device

Answer 15

A hardware device capable of transmitting a signal over a wire or wireless connection and example of this could be Wi-Fi Bluetooth modems

Question 16

What are the general model of a computer include

Answer 16

Import, memory, storage, process, output and in order it is

Question 17

Define hardware

Answer 17

That consists of all the physical components of a computer and is also referred to as the equipment of a computer and can be a categorized according to the a functionality on the computing device

Question 18

Define software

Answer 18

Software application software and Systems software / operating system refers to the programs used to direct the operation of a computer it also contains the instructions for how to use the software

Question 19

Name some examples of hardware

Answer 19

Input keyboard and mouse storage hard drive
memory RAM
processing CPU
output monitor printer
communication network interface card NIC

Question 20

Name an example of all the hardware components

Answer 20

Input touch screen keyboard on mobile smartphones

storage storage device hdds hard disk drives

Question 21

What is a CPU

Answer 21

This is a central processing unit which is responsible for processing general instructions

every application uses this two collect, to code and executive instructions required by the application

Question 22

What is a GPU

Answer 22

Is a graphics processing unit which is responsible for processing the instructions that create pictures on your screen

for example three-dimensional games rely heavily on the GPU to create a images

Question 23

What is system software

Answer 23

This is the specific type of software that manages the flow of data and the information contain on the computer and it is also called operating systems

An example of operating systems include Microsoft Windows, Linux, MacOS, iOS, Android, Intel Core

Question 24

What is application software

Answer 24

This is a program that is built for a specific purpose like sending a message call my browsing internet, or typing a document

Question 25

What are the three classifications of

Answer 25

General purpose computers commerce specific purpose computers or supercomputers

Question 26

What are examples of general purpose computers

Answer 26

General purpose computers computer range of task but like Super Speed and Efficiency examples of these are desktop computers laptops tablets and smartphones

Question 27

Specific purpose computers

Answer 27

I need a computer which handle a specific problem or task and user high level of accuracy and processing power examples of these are servers or embedded devices for example GPS

Question 28

What are some examples of embedded computers name three

Answer 28

ATM machines MP3 players DVD players drones digital watches

Question 29

Explain data and information

Answer 29

Data is defined as unprocessed numbers or facts and when it is defined and organized/processed it is then information

Question 30

Point of sale system process

Answer 30

The import is the barcode which is scanned by this Vida in the process is the identification of the product the checking off the price stocks availability and location and the output is Returns price and item to the buyer

Question 31

Motherboard

Answer 31

This is where the processor,memory and ROM chips are stored

Question 32

Hard disk drive

Answer 32

An electromechanical storeage device used to store and retrieve data

Question 33

Name an example of a CPU a ram and a motherboard and an hard disk drive and an input and and output

Answer 33

Intel Core i7 static RAM ATX motherboard serial ATA keyboard Monitor

Question 34

Decimal to hexadecimal steps

Answer 34

1 divide the numbers by 16 2 take the remainder and write them from the last one divided to the 1st 3 write your 16

Question 35

Steps to change a decimal to a binary

Answer 35

1 divide the number by 2 writing down the remainder even 0 2 do this until you get to 0÷2 3 make sure you have8 remainders 4 write it from the last to the first number divided 5 write your 2

Question 36

File hierarchy

Answer 36

1 Top level- Data warehouse 2 Database 3 files 4 Collection of 8 bits- bytes 5 lowest level - bits

Question 37

What is ASCII

Answer 37

ASCII is the American Standard Code for Information Interchange ASCII originally used 7 bits to encode each charcter ; the modern version uses 8 bits that assign value to letters ,digits , punctuation marks and other characters.

Question 38

What is the file path

Answer 38

Drive letter(D: or C:) Folder Suborder Filename File extension(.mp3 or .PDF or .JPEG)

Question 39

File hierarch 2nd

Answer 39

Disk drives Folders(branches) Sub-folders Files( leaves)

Question 40

What is copyright

Answer 40

Copyright is the legal right granted to duplicate and make copies of intellectual property. Creator decide on whome and under what circumstances interested users may copy their invention It was created to motivate ppl to create new things since they can make money from it

Question 41

What is copyleft

Answer 41

This is when creators are no longer licensing their creations using copyright and are protecting their work using Creative commons and copyleft. This allows ppl to copy or use the creation as long as they follow the rules

Question 43

What are the rules of copyleft

Answer 43

Attribution-when the creation is used you must give credit to the original owner Non-commercial- The creation can be used for any purpose not aimed at making money Share alike /copyleft- it can be used for any purpose but the new work must share the same license as the original work Non derivative- Can be copied or used as long as it is not changed in any way

Question 44

What is digital divide

Answer 44

This refers to the growing gap between those people with access to digital Technology and those people without access to digital Technology

Question 45

What is the problem with digital divide

Answer 45

It is believed to reinforce social inequalities and causes a persisting information or knowledge gap

Question 46

What factors attribute to digital divide

Answer 46

Education households with higher levels of education by increasingly more likely to use computers and the internet income due to lower income levels, disadvantages in ability lack the infrastructure available in wealthier areas location households that are in rural areas may have very little access exposure or need for technology

Question 47

What is EULA

Answer 47

An End user license agreement is a contract between software users and owners granting users permission to use the software under specific conditions.