Computer important Question Answer 2

 

11. What is RAM and ROM

Ans  Random Access Memory (RAM) – It is also called as read write memory or the main memory or the primary memory.

The programs and data that the CPU requires during execution of a program are stored in this memory.

It is a volatile memory as the data loses when the power is turned off.

RAM is further classified into two types- SRAM (Static Random Access Memory) and DRAM (Dynamic Random Access Memory).

Read Only Memory (ROM) –

Stores crucial information essential to operate the system, like the program essential to boot the computer.

It is not volatile.

Always retains its data.

Used in embedded systems or where the programming needs no change.

Used in calculators and peripheral devices.

ROM is further classified into 4 types- ROM, PROM, EPROM, and EEPROM.

12. What is networking operating System and client operating system?

Ans- Network Operating System" and is pronounced "N-O-S." A network operating system provides services for computers connected to a network. Examples include shared file access, shared applications, and printing capabilities. NOS may either be a peer-to-peer (P2P) OS, which is installed on each computer, or a client-server model, where one machine is the server and others have client software installed

The Client Operating System is the system that works within computer desktops and various portable devices. This system is different from centralized servers because it only supports a single user. Smartphone and small computer devices are able to support client operating systems.

13. What is ms office and feature of ms office?

Ans-Microsoft Office is a suite of desktop productivity applications that is designed specifically to be used for office or business use. ... It mainly consists of Word, Excel, PowerPoint, Access, One Note, Outlook and Publisher applications

14. What is partition and type of partition?

Ans- Partitioning is the process of writing the hard drive sectors that will make up the partition table. It contains information on the partition, including sector size, position with respect to the primary partition,

There are three types of partitions: primary partitions, extended partitions and logical drives. A disk may contain up to four primary partitions (only one of which can be active), or three primary partitions and one extended partition. In the extended partition, the user can create logical drives (i.e. "simulate" several smaller-sized hard drives).

15. What is firewall and window defender in computer?

Ans- Windows Firewall and Windows Defender are programs included with Windows 7 that help protect your home network and keep your data secure from Internet threats.

16. Which one is the computer’s own language?

Ans- Computers have a language called binary. Binary is made up of bits, which are ones and zeros

17. What is computer networking?

Ans- A computer network is a group of computers linked to each other that enables the computer to communicate with another computer and share their resources, 

18. What is computer virus?

Ans- A computer virus is malicious code that replicates by copying itself to another program,

19. What is name of first computer network?

Ans-First computer network is The Advanced Research Projects Agency Network (ARPANET)

20. What is ASCII code and stand for ASCII

Ans- ASCII is the acronym for the American  Standard Code for Information Interchange. It is a code for representing 128 English characters as numbers, with each letter assigned a number from 0 to 127. For example, the ASCII code for uppercase M is 77. Most computers use ASCII codes to represent text, which makes it possible to transfer data from one computer to another.