HARDWARE AMD SOFTWARE

Question 1

WHAT IS HARDWARE

Answer 1

THESE ARE THE PHYSICAL COMPONENTS OF A COMPUTER SYSTEM

Question 2

TYPES OF HARD WARE

Answer 2

INTERNAL HARDWARE:THESE ARE HARDWARE DEVICES SITUATED INSIDE THE COMPUTER CASING
CPU-BRAIN OF THE COMPUTER
MOTHERBOARD-CURCUIT BOARD WHICH CONNECTS TO THE MAIN COMPONENTS OF THE COMPUTER SYSTEM
MEMORY-ANY DATA TO BE PROCESSED BY THE CPU IS STORED IN THE MEMORY
INTERNAL HARD DISK DRIVE-A HARDWARE DEVICE THATS USED TO STORE INFORMATION
GRAPHIC VIDEO CARDS-DEVICE THAT ATTACHES TO THE MOTHERBOARD AND ENABLES THE COMPUTER TO DISPALY AND PROCESS GRAPHICS
SOUND CARDS
NETWORK CARD-PROVIES THE COMPUTER WITH AN INTERNET CONNECTION
OPTICAL DISK DRIVE-ALLOWS FOR OPTICAL DISKS TO RUN ON THE COMPUTER.
POWER SUPPLY-CONNECTED TO THE MAIN POWER SOURCES TO GIVE POWER TO COMPUTERS.

EXTERNAL HARDWARE;THESE ARE HARDWARE DEVICES SITUATED OUTSIDE THE COMPUTER CASING.EG KEYBOARD,MOUSE,SPEAKERS,MONITOR

Question 3

WHAT IS SOFTWARE

Answer 3

PROGRAMS THAT INSTRUSCT THE COMPUTER WHAT TO DO

Question 4

TYPES OF SOFTWARE

Answer 4

Applications software-programmes designed to allow users to carry out specific tasks

Eg word processing-used to prepare reports/spell check
Spread sheet-used to organize data& create bar graphs
Database-to create a table&create reports
Photo editing- used to edit digital images or apply various formatting techniques
Graphics manipulation- used to create and edit bitmap and vector graphics
Video editing- used to edit/format videos

System software-programs that control the operation of the computer.
Operating system-manages computer functions and optimizes computer system
Device drivers- allows hardware to run on computers
Utilities- manage and maintain computer resources
Linkers-combines files produced by compilers into a single program
Compiler-translates a program written in a specific language which can be understood by the computer

Question 5

Rom and ram

Answer 5

RAM-volatile(temporary data),can store up to gigabytes
Rom-com volatile(permanent data),can store up to several megabytes
Cache-smaller memory that is close up to processor which stores copies of data from frequently used memory

Question 6

Types of operating systems

Answer 6

Components of graphical user interface
Windows-areas for displaying info
Menu-list of applications
Icons-small images used to represent files
Pointers- used to select files

Command line interface- commands entered into the computer in order to interact with it

GUI over CL
Interface is easier to use
User does not need to learn any commands
Can use a pointing device

CLI over GUI
User has more freedom to use specific commands
It is possible to alter settings

COPY-Copies one or more files to another location
DIR- Dispalys a list of files
ATTRIB-displays file attributes
CHKDSK-checks a desk and displays status report

Question 7

Types of computers

Answer 7

Laptop
Desktop
Tablet
Smartphone

Stand alone- any mechanism that can carry out functions without the need of another device
Networked- set of computers connected together for purpose of sharing resources

Desktop
Advantage;always connected to power supply and parts can be easily replaced
Disadvantage;it is not portable and takes up more desk space

Laptop
Advantage;portable and battery is rechargeable
Disadvantage;it has limited battery and difficult to repair

Tablets
Advantage;touch screen technology and and anti glare display screen
Disadvantage;it has limited memory and expensive