Tuesday, 5 November 2019

introduction computer system revision esok dah nak exam, ni cara cepat hafal last minute!!

google581067fd306e46ef.html Introduction Computer System  REVISION (CARA NAK CEPAT HAFAL LAST MINUTE!!)

1)Give the name of the processwhen you start up the computer,boot up storage with the BIOS had manufacturar data are display on the monitor .
=Power on self test 

2.) List 3 connectors for power cable in the computer case.
      -SATA                          -VGA
      -ATX-20                      - DVI
      -PCI-EXPRESS           -HDMI

3)3 type of graphic card extension slot.
    -PCI-E
    -AGP
    -PCI

4)Provide the difference between primary storage and secondary storage.

  

5)List down 6 input device in laptop.
  -keyboard     -scanner 
  -touchpad     -webcam
  -joystick       -mouse


6) Different between LCD and LED

 

7) 5 advantage of telecommuting.
-improve recruitment and retention.
-improve imployee satisfaction scores.
-improve imployee work-life balance.
-increased productivity.
-reduced cost on office space and utilities.

8)List 4 goals of green computing.
-to cut down to as little as possible the amount of energy used.
-to minimize the inclusion of harmfull materials.
-to use as many biodegrable material as possible.
-to extend as for as possible the life of the equipment.

9)List the step trouble shooting process.
-introduction to troubleshooting.
-identify the problem.
-establish a theory of probable cause.
-test the theory to determine cause.
-establish a plan of action to resolve the problem.
-verify full system functionally.
-document finding ,actions and outcomes.


10)List  5 proper communication techniques.
-the silent treatment.
-ask question.
-listening.
-obsetuation.
-feedback.


11)what is remote access technology?
   -Remote access is the ability to access a computer or a network remotely through a         network connection.

12)A requirred information before selection power supply.
-the total wattage of all compenent.
-the voltage requirrements of peripheral devices.
-the form factor of the case.
-the type of cpu.
-the installed os.

13)Types of display cable.
-DVI
-HDMI
-VGA
-USB
-SDI

14)Function of power supply.
-convert the alternating current (ac) into direct current(dc).

15)Function of UPS.
-provide backup power source to computer hardware.

16)List 4 characteristic make laptop better choice than pc.
-portable
-use less power
-display size
-keyboard.
-easy to assamble.

17)Advantage of SSD
-more faster than hdd
-silent on operation.
-easy to carry.
-more efficient.

18) 3 type of cloud computing.
-public
-private 
-hybrid

19) 5 approach of green computing.
-product longerity.
-softwareand deployment optimization.
-power management.
-materials recycling.
-telecommuting.


20) 5 step of verify solution to solve the customer problem
-reboot the pc
-ensure multiple application work properly.
-verify network and internet connection.
-ensure all attach device weork properly.
-ensure no error message are received.
-print a documentfrom 1 application.

21)Explain 3 function of central proccessing unit.
i) input - transferring of information into the system.
ii) processing - manipulated and controlling data over the entire system.
iii) output - the presentation of information to the user on the screen.

22) 3 type of processor available in the market.
-intel core i5
-amd ryzen
-intel cerelon

23) Explain 3 basic section in the process.
i) storage unit - store all the data and the instructions required for processing.
ii) alu - where instruction and data are process.
iii) control unit - what operators the fetching and execution of instruction.

24) Define the mobile operating system and give one example of it.
- a mobile operating system is software that allows smartphones,tablet pc's and other device to run application and program.for example,android pie.

25) 2 suitable terms for setting a mobile devices as an access point for sharing internet connection.
-hotspot
-tethering































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