BIT101 · TU past paper
Introduction to Information Technology 2077 question paper
The complete TU 2077 exam paper for Introduction to Information Technology (BIT101), all 12 questions with solved model answers written to the mark scheme.
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- 110 marksFirewall purpose, function, and typesHideAnswer
What is the purpose and function of firewall?Name and explain the three types of firewall.[2+8]
A firewall is a network security system (hardware or software) that monitors and controls incoming and outgoing network traffic based on a set of predefined security rules. Purpose: - To act as a protective barrier between a trusted inte...
- 210 marksDefinition and characteristics of computerHideAnswer
List and describe the characteristics of the computer.Explain the significant limitations of the computer.[8+2]
--- A computer can perform millions of calculations and operations per second. It processes data at an extremely high speed, measured in terms of microseconds (10⁻⁶), nanoseconds (10⁻⁹), and even picoseconds (10⁻¹²). Tasks that would tak...
- 310 marksSwitching techniques overviewHideAnswer
What is switching technique?Name the three kinds of switching techniques. Describe briefly the circuit switching and message switching techniques.[4+6]
A switching technique is a method used in telecommunication and computer networks to establish a communication path (route) between two or more devices so that data can be transferred from a source to a destination. When multiple devices...
- 45 marksDatabase management system and importanceHideAnswer
Explain Database Management system and its importance. Define Data redundancy and Data inconsistency. [3+2]
A Database Management System (DBMS) is a collection of interrelated data and a set of programs to access and manage that data. It provides an environment that is both convenient and efficient for storing, retrieving, and manipulating dat...
- 55 marksCentral Processing Unit components and funHideAnswer
What are the parts of CPU? Explain each. [5]
The Central Processing Unit (CPU) is the brain of the computer. It is responsible for executing instructions and processing data. The CPU consists of the following main parts: --- The ALU is the functional core of the CPU that performs a...
- 65 marksInstruction cycle and stepsHideAnswer
What is instruction cycle? Explain the steps of instruction cycle. [1+4]
An instruction cycle (also called a fetch-execute cycle or fetch-decode-execute cycle) is the complete process that a CPU performs for each machine language instruction: fetching the instruction from memory, decoding it, and executing it...
- 75 marksNumericalBase conversion between decimal, binary, oHideAnswer
Convert 44.467 from Base 10 to Base 16. [5]
- Number to convert: $44.467{10}$ - Target base: 16 Division Quotient Remainder Hex ------------------------------------ $44 \div 16$ 2 12 C $2 \div 16$ 0 2 2 Reading remainders bottom to top: $$44{10} = 2C{16}$$ Multiplication Product I...
- 85 marksDefinition and categories of softwareHideAnswer
What is Software? What are the two main categories of software? Explain each in brief. [2+3]
Software is a set of programs, instructions, and associated documentation that tells a computer what to do and how to do it. It acts as an interface between the user and the hardware, enabling the computer system to perform specific task...
- 95 marksTCP/IP protocol and functionsHideAnswer
Define: Internet, Protocol, and WWW. What is the function of TCP/IP protocol? [3+2]
--- The Internet is a global network of interconnected computers and networks that communicate with each other using a standard set of protocols (TCP/IP). It is a worldwide system that allows billions of devices to share information and ...
- 105 marksIT impact on organizationsHideAnswer
Discuss the impact of IT in organization and Individuals. [5]
--- - IT automates repetitive tasks, reducing manual effort and time. - Business processes such as payroll, inventory management, and billing are handled faster and more accurately. - Management Information Systems (MIS) and Decision Sup...
- 115 marksSequential and direct access devicesHideAnswer
What do you mean by sequential access and direct access of the I/O devices? Give an example of sequential access device and direct access device. [5]
Sequential access is a method of accessing data stored on a device where data must be read or written in a specific, linear order from the beginning to the desired location. To reach a particular piece of data, all preceding data must be...
- 125 marksData warehousing and data miningHideAnswer
Write short notes on: a. IOT Write short notes on: b. Data warehousing and data mining. [2.5+2.5]
Definition: The Internet of Things (IoT) refers to the network of physical devices, vehicles, appliances, and other objects embedded with sensors, software, and connectivity that enables them to collect and exchange data over the interne...