Sunday, October 15, 2017

Computer Questions

Questions
1.      What is BIOS? How it works?
2.      What is Kernel? How it works?
3.      What is RAM, ROM, and SWAP?
4.      Describe the process of OS after you pressed power button until the Log-in screen appears, what does it work during that processing time?

5.       What is the meaning of DDL, DML, and DCL?
6.       What is the difference between Truncate and Delete?
7.       Write SQL-Statement to create table tblOfficer ” as sample below








8.       Write SQL-Statements to insert one Record to “tblOfficer “
Branch Name
CIF
Account_ID
Account Name
Product Name
Currency
Open date
Balance
SENSOK
000012
02-000012-10-11
Mr.Sok Chan
Current
KHR
15 AUG 2014
7600.0000
9.       Write SQL-Statements to query data from (tblCustomer, tblBranches) to show the result below:

tblCustomer
CIF
title
lastname
firstname
address
Open_Date
Branch_Code
000012
Mr.
Chan
Sok
Phnom Penh
15 AUG 2014
02
000013
Ms.
Bopha
Pov
Phnom Penh
10 OCT 2013
02
tblBranches
BranchCode
BranchName
shortName
Address
Phone
Email
02
SENSOK
SSK
Phnom Penh
012-xxxxxx

03
Kratie
KTI
Kratie
012-axxxxx


10.   What is OOP? What are the Concept Features of OOP?
11.   What is MVC and explain each feature?
12.   What are difference between web-applications and desktop-applications?
13.   We have two applications which are mobile application and web-application, how can we transfer or retrieve data to each other or communicate between them? Please give technical with explanation?
14.   What is an interface and what is an abstract class? Please give example the both?
15.   Does control in ASP.Net run on server side or client side?
16.   What is DNS?
17.   What is File-Server?
18.   What is VPN? How many ways to setup VPN?
19.   What is ISO Model? How many Layers?
20.   What is the difference between Hub and Switch?


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