Computer Fundamentals and Applications (CFA)
Practice Questions
#Computer_Software
- Define software.
- List and Explain the Types of Software.
- Differentiate between program and software.
- Define computer virus with its types.
- Explain an antivirus with example.
- Write down virus defense technique.
- List down seven different antivirus software.
- Explain the symptoms of computer virus.
- Write short notes on:
- Trojan Horse
- Spyware
- Adware
- What is utility software? Explain function of defragmenter?
#Operating System
- What is operating system? Write objectives of operating system.
- What is the relationship between operating systems and computer hardware?
- What do you mean by Open source OS?
- What are real-time systems? Explain the example.
- Write down functions of operating system.
- Explain the types of operating system.
- What is multitasking?
- What is process? Explain the various state of process.
#Protocols
- Define Client/Server Technology.
- Explain internet as a Client/Server Technology.
- Define Email and explain its types.
- Demonstrate Video-Conferencing.
- Define ISP and list its roles.
- Define DNS and Explain its Importance.
- Define internet address. Explain physical and Logical address with example.
- Define the IP, TCP, HTTP, FTP, SMTP, POP, Telnet, Gopher and WAIS protocols.
- Differentiate between intranet, extranet and internet with their advantages and disadvantages.
- Explain the www and its evolution.
- Sketch the architecture of web.
- Define the URL with its components.
- Define browser. Make the decision to select appropriate browser.
- List the features of different web browsers.
- Define Proxy Server with its advantages.
- Explain HTTP and FTP protocols in details.
#Database
- Define Database and DBMS with their advantages and Disadvantages.
- Explain the different database models with their merits and demerits.
- Write down the steps to design the database with example.
- What do you mean by data security. Explain authorization and authentication with example.
- Define Data Warehouse with its pros and cons.
- What is data mart? Differentiate between data warehousing and data mart.
- Who ois DBA? Write the responsibilities of DBA.
- What is data mining? Explain the data mining process.
- What is SQL? Explain types of Query Language.
- What is flat file? Discuess its limitation.
#Memory
- What is the purpose of memory?
- 1TB = ?MB and ? Byte
- What is register?
- Wat are the purpose of cache memory?
- Explain RAM in computer.
- Write down the characteristics of primary memory.
- Write down the characteristics of secondary memory.
- Differentiate between primary and secondary memory.
- What is volatile and non-volatile memory.
- Differentiate between SRAM and DRAM.
- Why ROM is required in computer system.
- Write down the characterstics of ROM.
- Explain EPROM
- Write advantages and disadvantages of cache memory.
- Explain the working mechanism of Hard disk.
- What is optical disk?
- Write down two application of SD Memory.
#Computer_Network
- What is comptuer network? Explain advantage and disadvantage?
- Define Communication system? Explain components of it.
- Explain the mode of communication with example.
- Explain the characteristics and applications of peer-to-peer network.
- Discuss strength and weakness of peer to peer and client/server architecture.
- Explain the types of network on the basis of geographical area it covers in detail.
- What is network topologies? Explain the important factors whille designing topologies.
- Explain ring and mesh topology along with pros and cons?
- What is communication media? Explain guided and unguided communication media.
- Write down the importance of OSI model? Explain all the layers of OSI.
- Differentiate between Centralized and distributed system.
- Explain major network devices.
- Define protocol. Explain the role of protocols in communications.
- What is router? Explain the characters of routher.