QUESTIONS FOR CAMPUS INTERVIEW with answers 65

Q1:- Differentiate between RAM and ROM?

RAM stands for Random Access Memory. It can store information and have new information stored over it later. And it’s a physical device you can change it Types of RAMDDR (Double Data Rate), DDR2 and SDRAMROM stands for Read Only Memory. It can’t be written-over Types of ROMPROM (Programmable Read-Only Memory) and CD-ROM.

Q2:-What is Cache Memory?

Cache memory is random access memory (RAM) that a computer microprocessor can access more quickly than it can access regular RAM. As the microprocessor processes data, it looks first in the cache memory and if it finds the data there, it does not have to do the more time-consuming reading of data from larger memory

Q3:- What is difference between 32 bit and 64 bit memory?

The terms 32-bit and 64-bit refer to the way a computer's processor (also called a CPU), handles information. The 64-bit version of Windows handles large amounts of random access memory (RAM) more effectively than a 32-bit system.

Q4:- What is Virtual memory?

Virtual memory is storage space on your computer’s hard disk that Windows uses in conjunction with random access memory (RAM).

Q5:-What is BIOS?

BIOS stand for Basic Input/output System, although the full term is used very infrequently. The system BIOS is the lowest-level software in the computer; it acts as an interface between the hardware and the operating system.

Q6:-What is TCP/IP?

TCP/IP (Transmission Control Protocol/Internet Protocol) is the basic communication language or protocol of the Internet. It can also be used as a communications

Protocol in a private network.

Q7:-What is Intranet?

An Intranet is a private network that is contained within an enterprise. It may consists of many interlinked LAN .The main purpose of an intranet is to share company information & computing resources among employees. An intranet can also be used to facilitate working in groups and for teleconferences.

 Q8:-What is Client/Server?

Client-server computing or networking is a distributed application architecture that partitions tasks or workloads between service providers (servers) and service requesters, called clients.

Q9:- What are the differences among router, switch, bridge and hub?

Hub      - A common connection point for devices in a network. Hubs are commonly used to connect         segments of a LAN. A hub contains multiple ports. When a packet arrives at one port, it is copied               to the other ports so that all segments of the LAN can see all packets.

Switch  -In networks, a device that filters and forwards packets between LAN segments. Switches operate at the data link layer (layer 2) and sometimes the network layer (layer 3) of the OSI Reference Model.

Router - A device that forwards data packets along networks. A router is connected to at least two networks, commonly two LANs or WANs or a LAN and its ISP.s network.

Q10:- What is the port number of Telnet ,DNS, ftp(data) and ftp?

Telnet = 23 and DNS = 53ftp(data) = 20 and ftp=21