All Examination Questions
Virtual memory is amemory managementcapability of an OS that uses hardware and software to allow a computer to compensate for physical memory shortages by temporarily transferr
| Subject: Data Communication |
| Exam: Election Commission Bangladesh |
An entity-relationship model, also called an (ER) diagram, is a graphical representation of entities and their relationshipsto each other, typically used in computing in regard to th
| Subject: Database Management System |
| Exam: Election Commission Bangladesh |
A computer virus is a program or piece of code that is loaded onto your computer withoutyour knowledge and run against your wishes. Viruses can also replicate themselves. All compute
| Subject: Computer and Network Security |
| Exam: Election Commission Bangladesh |
BCC " stands for blind carbon copy. When used in an email, it means that the sender is transmitting a copy of the email to an individual who is not identified in the message. The original
| Subject: Digital Marketing |
| Exam: Election Commission Bangladesh |
Software, in its most general sense, is a set of instructions or programs instructing a computer to do specific tasks. Software is a generic term used to describe computer programs. Script
| Subject: Software Engineering |
| Exam: Election Commission Bangladesh |
Friend Function:
Friend functions are those functions which can access all the functions and variables of a class though it is not a member function of that class. Actually t
| Subject: Object Oriented Programming |
| Exam: Election Commission Bangladesh |
Read-only memory, orROM, is a form of data storage in computers and other electronic devices that can not be easily altered or reprogrammed. RAM is referred to as vo
| Subject: Introduction to Computer System |
| Exam: Election Commission Bangladesh |
There are two types of caching are commonly used in personal computers:
Memory caching
Disk caching
| Subject: Introduction to Computer System |
| Exam: Election Commission Bangladesh |
Modem: A modem modulates outgoing digital signals from a computer or other digital device to analog signals for a conventional copper twisted pair telephone line and demodulates the incomi
| Subject: Computer Network |
| Exam: Election Commission Bangladesh |
What is a Bit?
By its simplest definition, a bit is just a smaller unit of information than a byte. It reflects the basic logical process of a transistor: a single unit of informat
| Subject: Digital Logic and Design |
| Exam: Election Commission Bangladesh |
Advantage Of Array Linked List:
It is used to represent multiple data items of same type by using only singl
| Subject: Programming Language |
| Exam: Election Commission Bangladesh |
Advantage of Linked List:
Dynamic structure(Mem.Allocated at run-time)
We can have more than one data type.
Re-arra
| Subject: Object Oriented Programming |
| Exam: Bangladesh Public Service Commission |
Inheritance:
Class can be defined as defined as deriving from a base class. A derived class inherits all of the ancestors protected and public methods and data mem
| Subject: Object Oriented Programming |
| Exam: Bangladesh Public Service Commission |
AND, OR, NOT gate can be replaced by NAND and NOR gates. A Universal gate is a gate which can implement any Boolean function without need to use any other gate type.
Computer
| Subject: Digital Logic and Design |
| Exam: Bangladesh Public Service Commission |
Network addressis first address in the network and it is used for identification network segment. All the IP addresses, using the same network address part, are in t
| Subject: Computer Network |
| Exam: Bangladesh Public Service Commission |
Digital Signature:
A digital signature is a mathematical technique used to validate the authenticity and integrity of a message, softw
| Subject: Digital Marketing |
| Exam: Bangladesh Public Service Commission |
LAN
WAN
LAN (Local Area Network)
| Subject: Computer Network |
| Exam: Bangladesh Public Service Commission |
Router
Switch
| Subject: Computer Network |
| Exam: Bangladesh Public Service Commission |
#include <stdio.h>
void binary_search();
int a[50], n, item, loc, beg, mid, end, i;
void main()
{
printf("\n
| Subject: Java |
| Exam: Bangladesh Public Service Commission |
A Stack is a container of objects of objects that are inserted and removed according to the last-in-first-out (LIFO) principle. In the pushdown stacks only two operations are allowed: push
| Subject: Programming Language |
| Exam: Bangladesh Public Service Commission |
Network address
Subnet mask
Assignable range
Br
| Subject: Computer Network |
| Exam: Bangladesh Public Service Commission |
int num[SIZE]
| Subject: Programming Language |
| Exam: Bangladesh Public Service Commission |
Cache memory is important because it provides data to a CPU faster than main memory, which increases the processor's speed. The alternative is to get the data from RAM, or random access me
| Subject: Introduction to Computer System |
| Exam: Bangladesh Public Service Commission |
Single Mode cableis a single stand of glass fiber with a diameter of 8.3 to 10 microns that has one mode of transmission. Single Mode Fiber with a
| Subject: Web Engineering |
| Exam: Bangladesh Public Service Commission |
Security and privacy
Service Quality
Downtime & Accessibility, rat ton<
Access to data
Transition to
| Subject: Computer Network |
| Exam: Bangladesh Public Service Commission |
Network Address Translation(NAT) is the process where a network device, usually a firewall, assigns a public address to a computer (or group of computers) inside a private network. T
| Subject: Computer Network |
| Exam: গণপ্রজাতন্ত্রী সরকার, পল্লিয় উন্নয়ন ও সমবায় মন্ত্রনালয় |
When we want to let particular clients used the specify IP address to access the Internet, we can used the function “Specify sender address” on IP Rule NAT page.
In thi
| Subject: Computer Network |
| Exam: গণপ্রজাতন্ত্রী সরকার, পল্লিয় উন্নয়ন ও সমবায় মন্ত্রনালয় |
Subnet
Host
| Subject: Computer Network |
| Exam: গণপ্রজাতন্ত্রী সরকার, পল্লিয় উন্নয়ন ও সমবায় মন্ত্রনালয় |
The XOr, or “exclusive or”, problem is a classic problem in ANN research. It is the problem of using a neural network to predict the outputs of XOr logic gates given two binary
| Subject: Computer Network |
| Exam: গণপ্রজাতন্ত্রী সরকার, পল্লিয় উন্নয়ন ও সমবায় মন্ত্রনালয় |
In computing, a virtual machine (VM) is an emulation of a computer system. Virtual machines are based on computer architectures and provide functionality of a physical computer. Their impl
| Subject: Introduction to Computer System |
| Exam: গণপ্রজাতন্ত্রী সরকার, পল্লিয় উন্নয়ন ও সমবায় মন্ত্রনালয় |
In simple words,Hill-Climbing = generate-and-test + heuristics
Let’s look at the Simple Hill
| Subject: Data Structure & Algorithms |
| Exam: গণপ্রজাতন্ত্রী সরকার, পল্লিয় উন্নয়ন ও সমবায় মন্ত্রনালয় |
SDLC or the Software Development Life Cycle is a process that produces software with the highest quality and lowest cost in the shortest time. SDLC includes a detailed plan for how to deve
| Subject: Software Engineering |
| Exam: Bakhrabad Gas Distribution Company Ltd |
Network Topology is the schematic description of a network arrangement, connecting various nodes(sender and receiver) through lines of connection.
BUS Topology
RIN
| Subject: Computer Network |
| Exam: Bakhrabad Gas Distribution Company Ltd |
The aim of the MOSFET is to be able to control the voltage and current flow between the source and drain. It works almost as a switch. The working of MOSFET de
| Subject: Introduction to Computer System |
| Exam: Bakhrabad Gas Distribution Company Ltd |
Transformers are critical parts in the power grid. They need to be protected to limit the risk of damage caused by abnormally high current and overvoltage. To
| Subject: Introduction to Computer System |
| Exam: Bakhrabad Gas Distribution Company Ltd |
Physical
| Subject: Data Communication |
| Exam: Bangladesh Rural Electrification Board |
255.255.255.0
| Subject: Computer Network |
| Exam: Bangladesh Rural Electrification Board |
Fast SCII-2 Supports 8 devices and fast/wide SCII-2 Supports 16 devices.
| Subject: Computer Network |
| Exam: Bangladesh Rural Electrification Board |
5 pin, it is used to connect keyboard & mice in old style.
| Subject: Electronics Devices and Circuits |
| Exam: Bangladesh Rural Electrification Board |
800*600
| Subject: Introduction to Electrical Engineering |
| Exam: Bangladesh Rural Electrification Board |
Interviews Subjects