All Questions
Question Write down the important features of command line interface and graphical user interface.
Subject Operating System
NU Year 2013
Question What is multiplexing ? Explain synchronous time division multiplexing technique.
Subject Data Communication
NU Year 2012 2013
Question

What is data model? Explain briefly the E-R data model

Subject Database Management System
NU Year 2012
Question

Briefly describe different types of database system users.

Subject Database Management System
NU Year 2012
Question

What is php?

Subject Web Engineering
NU Year 2012
Question

State the difference between connection less and connection oriented networking system.

Subject Computer Network
NU Year 2017
Question

Write down the CSS and HTML code to design the following menu

Subject Web Engineering
NU Year 2017
Question

What is Scripting Language ?

Subject Web Engineering
NU Year 2017
Question

What are the importance of ! doctype and tag in webpage.

Subject Web Engineering
NU Year 2017
Question

Define the term peripheral. What are the roles of computer peripherals?

Subject Peripheral and Interfacing
NU Year 2017
Question

What do you understand by interfacing? Describe the basic interfacing unit with proper diagram.

Subject Peripheral and Interfacing
NU Year 2017
Question

What are the basic requirements for proper interface between a microprocessor and an I/O device? discus with diagrams.

Subject Peripheral and Interfacing
NU Year 2017
Question

What does PPI and PIC stand for? Draw the internal architecture of 8255 PPI and discuss its ports.

Subject Peripheral and Interfacing
NU Year 2017
Question

What is DMA? Why does the DMA generally have priority over the CPU in the ease of accessing memory?

Subject Peripheral and Interfacing
NU Year 2017
Question

Draw the block diagram showing how a DMA controller operates in a microcomputer system.

Subject Peripheral and Interfacing
NU Year 2017
Question

How can you use a CRT as an alphanumeric display? Discuss with diagram using a ROM and a RAM.

Subject Peripheral and Interfacing
NU Year 2017
Question

Explain the full step operation of a stepper motor. How is it interfaced to a microprocessor?

Subject Peripheral and Interfacing
NU Year 2017
Question

Draw and explain the circuit to drive a single seven segment LED display.

Subject Peripheral and Interfacing
NU Year 2017
Question

Briefly describe the code format and working principle of bar code.

Subject Peripheral and Interfacing
NU Year 2017
Question

What are the differences between OMR and OCR?

Subject Peripheral and Interfacing
NU Year 2017
Question

List out the differences between LCD and LED.

Subject Peripheral and Interfacing
NU Year 2017
Question

Describe the basic structure and operation of inkjet printer

Subject Peripheral and Interfacing
NU Year 2017
Question

Distinguish between impact and non-impact printer.

Subject Peripheral and Interfacing
NU Year 2017
Question

What is optical Disk? How many types of optical disk? Explain them briefly.

Subject Peripheral and Interfacing
NU Year 2017
Question

What is Null-modem? Why it is used?

Subject Peripheral and Interfacing
NU Year 2017
Question

What is USART? What are the advantages of USART?

Subject Peripheral and Interfacing
NU Year 2017
Question

Draw and explain the functional block diagram of 1C-8251 (USART).

Subject Peripheral and Interfacing
NU Year 2017
Question

Write details about lEEE-488 instrumentation interface.

Subject Peripheral and Interfacing
NU Year 2017
Question

How the RS-232C serial bus is interfaced to TTL logic device?

Subject Peripheral and Interfacing
NU Year 2017
Question

Write short notes on passive and active matrix

Subject Peripheral and Interfacing
NU Year 2017
Question

Write short notes on Digitizer

Subject Peripheral and Interfacing
NU Year 2017
Question

Write short notes on Shaft encoder

Subject Peripheral and Interfacing
NU Year 2017
Question

Write short notes on GPIB

Subject Peripheral and Interfacing
NU Year 2017
Question

Write short notes on DMAC

Subject Peripheral and Interfacing
NU Year 2017
Question

Write short notes on serial interfacing devices.

Subject Peripheral and Interfacing
NU Year 2017
Question

What is Software engineering? Write the attitudes of quality software.

Subject Software Engineering
NU Year 2017
Question

Define with diagram the Boehm's spiral model of‘ the software princess. State the advantages and disadvantages of spiral model.

Subject Software Engineering
NU Year 2017
Question

Explain the sectors in each loop of Boehm's spiral model. Describe shortly.

Subject Software Engineering
NU Year 2017
Question

What the need of feasibility study in Software Development?

Subject Software Engineering
NU Year 2017
Question

Write down the principles of agile process method

Subject Software Engineering
NU Year 2017
Question

Describe the rules to create a DFD with example.

Subject Software Engineering
NU Year 2017
Question

What are the differences between functional and non-functional requirement in Software Engineering.

Subject Software Engineering
NU Year 2017
Question

Draw and explain a Use-ease diagram for an e-commerce system.

Subject Software Engineering
NU Year 2017
Question

How do you transform the software analysis model into a software design model?

Subject Software Engineering
NU Year 2017
Question

Write the guideline for a good software design

Subject Software Engineering
NU Year 2017
Question

Write short note on Top-down and Bottom-up design model

Subject Software Engineering
NU Year 2017
Question

Define computer network. Write down some of the design issues that should be considered for an efficient network.

Subject Computer Network
NU Year 2017
Question

State the differences between connection less and connection oriented networking system.

Subject Computer Network
NU Year 2017
Question

What is ISO-OSI reference model? Why TCP/IP model is more popular than OSl model? Which layer OSl is used for

the following :-

  1. To route packets;
  2. To convert packet to frame;
  3. To detect and correct errors;
  4. To run services like DNS, FTP, Telnet etc.
Subject Computer Network
NU Year 2017
Question

What do you mean by transmission? What can be the different direction of transmission?

Subject Computer Network
NU Year 2017
Question

What is topology?- Draw a hybrid topology with a star backbone and four ring networks?

Subject Computer Network
NU Year 2017
Question

Define Frame Relay network. Explain and compare Frame Relay and X-25 network architecture.

Subject Computer Network
NU Year 2017
Question

Draw the Frame relay frame and also state the purpose of FECN, BECN fields.

Subject Computer Network
NU Year 2017
Question

What is the purpose of ATM Adaptation layer? Describe the AAL2, AAL3 and AALS layers.

Subject Computer Network
NU Year 2017
Question

Describe IPv4 header format.

Subject Computer Network
NU Year 2017
Question

Write down the functions of Gateway, Routers, Repeaters, Bridges, Hubs and Switches.

Subject Computer Network
NU Year 2017
Question

Differentiate between hard handoff and soft handoff procedure. What is the relationship between a base station and mobile switching center?

Subject Computer Network
NU Year 2017
Question

Explain WLAN architecture.

Subject Computer Network
NU Year 2017
Question

Write down two problems in 802 11 MAC sub la) er protocol.Discuss in detail about the wireless IAN MAC sub layers.

Subject Computer Network
NU Year 2017
Question

What is the purpose of the Address Resolution Protocol (ARP)? ls the size of the ARP packet fixed? Explain.

Subject Computer Network
NU Year 2017
Question

What is satellite orbit? Briefly discuss satellite technology.

Subject Computer Network
NU Year 2017
Question

Why is DNS necessary? State its significance.

Subject Computer Network
NU Year 2017
Question

Discuss the Dijkstra Algorithm for routing shortest path of a network.

Subject Computer Network
NU Year 2017
Question

An organization is granted the block 16.0.0.0/8. The administrator wants to create 500 fixed length subnet :-

(i) Find the subnet mask.

(ii) Find the number of addresses in each subnet.

(iii) Find the first and last addresses in subnet 1.

(m Find the first and last addresses in subnet 500.

Subject Computer Network
NU Year 2017
Question

Compare the data rates for standard Ethernet. Fast Ethernet, Gigabit Ethernet and Ten Gigabit Ethernet.

Subject Computer Network
NU Year 2017
Question

What are four general techniques to improve quality of services (QoS)?

Subject Computer Network
NU Year 2017
Question

Compare the way SMTP and HTTP  transmit the images. Which one do you think is more efficient? Why?

Subject Computer Network
NU Year 2017
Question

Why cryptography is needed in networking? What is the key idea used in public key encryption system?

Subject Computer Network
NU Year 2017
Question

What is Routing? Explain the working principle of distance vector routing protocol with a proper example.

Subject Computer Network
NU Year 2017
Question

Define cryptography. How can cryptography works as security tool?

Subject Computer and Network Security
NU Year 2017
Question

What do you mean by symmetric and asymmetric encryption techniques? Differentiate between them.

Subject Computer and Network Security
NU Year 2017
Question

How can a plaintext can convert into cipher text? Give example.

Subject Computer and Network Security
NU Year 2017
Question

List and briefly define categories of attack methodologies.

Subject Computer and Network Security
NU Year 2017
Question

Define transposition cipher.

Subject Computer and Network Security
NU Year 2017
Question

Explain Data Encryption Standard (DES) in detail.

Subject Computer and Network Security
NU Year 2017
Question

State and explain the principles of public key cryptography.

Subject Computer and Network Security
NU Year 2017
Question

Perform encryption and decryption operation using RSA algorithm for a specific case.

Subject Computer and Network Security
NU Year 2017
Question

Differentiate public key and conventional encryption.

Subject Computer and Network Security
NU Year 2017
Question

What is message authentication? Define the classes of message authentication function.

Subject Computer and Network Security
NU Year 2017
Question

What do you mean by digital signature? What are properties a digital signature should have?

Subject Computer and Network Security
NU Year 2017
Question

Briefly explain name Hellman Key exchange.

Subject Computer and Network Security
NU Year 2017
Question

What are the differences weak and strong collision resistance?

Subject Computer and Network Security
NU Year 2017
Question

 What is feistel cipher? l low it works in a cryptographic algorithm?

Subject Computer and Network Security
NU Year 2017
Question

 Define kerberos. Briefly explain kerberos V4.

Subject Computer and Network Security
NU Year 2017
Question

Differentiate between AES and DES algorithm.

Subject Computer and Network Security
NU Year 2017
Question

What do you mean by confusion and diffusion?

Subject Computer and Network Security
NU Year 2017
Question

What is firewall and what are its limitations? Why corporate house implement more than one firewall for security?

Subject Computer and Network Security
NU Year 2017
Question

Describe MD-S algorithm in detail. Compare its performance with SHA-1.

Subject Computer and Network Security
NU Year 2017
Question

What is the purpose of X. 509 standard?

Subject Computer and Network Security
NU Year 2017
Question

Give the applications of lP security.

Subject Computer and Network Security
NU Year 2017
Question

Write the short notes on any four :-

(i) S/MIME;

(ii) Email Security;

(iii) ESP;

(iv) steganography;

(v) Elliptic curve cryptography;

(vi) Digital Immune System.

Subject Computer and Network Security
NU Year 2017
Question

What would need a computer to posses a Turning test? or Define natural language processing & automated reasoning

Subject Artificial Intelligence and Neural Network
Question

What is the meaning of Artificial Intelligence? Mention the places of AI in Computer Science

Subject Artificial Intelligence and Neural Network
NU Year 2010
Question

Define Intelligent Agents. What are the potential utilization areas of intelligent ?

Subject Artificial Intelligence and Neural Network
NU Year 2010
Question

Briefly describe utility -based agents

Subject Artificial Intelligence and Neural Network
NU Year 2010
Question

Distinguish between contingency problem and exploration problem with respect to problem solving by searching

Subject Artificial Intelligence and Neural Network
NU Year 2010
Question

What is knowledge? how can we represent knowledge?

Subject Artificial Intelligence and Neural Network
NU Year 2010
Question

What is Fuzzy logic? Mention some application of Fuzzy logic

Subject Artificial Intelligence and Neural Network
NU Year 2010
Question

What is an operating system? Write the function of an operating system

Subject Artificial Intelligence and Neural Network
NU Year 2010
Question

Write down the predicate logic of the following statements: - 

 ( i) Everyone taking AI will pass the exam;

            ( ii) The car painted white belong to me ;

            (iii) No employee earns more than the president;

            ( iv) Men is mortal. 


Subject Artificial Intelligence and Neural Network
NU Year 2010
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