Explain the working of a Hard disk?
Hard disk consists of a number of platters which are circular discs on which data are recorded. Data is recorded in ci…
How does CPU execute program instructions?
CPU executes instructions as follows instructions are in primary memory various steps are: 1. Place the address of i…
Discuss briefly the role of secondary storage?
Secondary storage is used to store data/ programs permanently. Data is not lost when power goes off. They are also …
Explain the difference between primary and secondary computer memory?
Primary memory is the memory from where CPU fetches instructions and executes them. It often refers to the semiconduct…
Explain the purpose of following DOS commands: C: DIR MD CD COPY DEL
C : Make C drive as the current drive. DIR : Directory list of all files and directories under current directory is d…
Explain the stages of compilation for a C Compiler?
Usually programs are stored in a disk. To compile a program, in standard integrated development environments we need to…
What do you mean by Office Automation?
Office Automation system is an information system that supports the wide range of business office activities that provi…
What is an algorithm and flow-chart?
An algorithm is a detailed sequence of simple steps that are needed to solve a problem. A flow chart is a graphical…
What is a file system and an i-node?
File system is a method of storing and organising computer files and their data. It organises the files into a databa…
Computing and Informatics
List six major steps that one can take in setting up a database for a particular enterprise?
The six major steps involved in setting up a database for an enterprise: 1. Requirement Analysis 2. Conceptual data…
Computing and Informatics
Explain the difference between the logical and physical data independence?
Data independence is the capacity to change the schema at one level of database system without having to change the sc…
Computing and Informatics
List four significant differences between a file processing system and a DBMS.
1). The Database Management System allows access to tables at a time. A file management system allows access to single …
What are linkers and loaders?
A loader is a program that places programs into main memory for execution. The assembler or compiler outputs the machi…
What is an Interrupt in computer system?
Interrupt is an output to the CPU that causes CPU to suspend its normal sequence of execution and force the CPU to br…
Explain the important aspects in which the Windows operating system enhances the MS-DOS operating system.
Windows operating system provide following enhancements to the old MS DOS operating system: 1. GUI capability: Wind…
What is time-shared operating system and briefly explain it.
In a time sharing operating system , multiple users simultaneously access the system through terminals with the operat…
An Operating System Is often defined as a resource manager. Explain which resources of a computer it manages and how it manages.
Operating system can be considered as a resource manager. It is software that manages the resources available in a com…
How does TCP ensure reliable transfer of packets?
TCP uses acknowledgement mechanism to check safe and sound arrival of data. TCP uses error control which include mechani…
What are the functions of TCP and IP?
TCP/IP is a protocol suite that defines the exchange of transmissions across Internet. It is a 5 layer protocol suite. …
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