Chapter 1
Question3. Differentiate the following.
i) Shareware vs Freeware
Answer:
Shareware:
- Shareware is commercial and copyrighted
- License is required for full features
- Program will stop working after trial period expires
Freeware:
- Freeware is available free of charge.
- Its source code may or may not be available.
- It usually carries a license for redistribution with some limitations.
- Freeware may be freely copied but not sold.
ii) Register vs. Cache Memory
Answer:
Register:
- Registers are high speed temporary memory location.
- Register is used to hold data and instruction.
- Processing speed depends upon the size of Register.
- Size of register can be 16, 32 or 64 bit.
- Microprocessor contains different types of Registers.
Cache Memory:
- Cache memory is a chip-based computer component that makes retrieving data from the computer's memory more efficient.
- Cache Memory is a special very high-speed memory.
- Cache Memory is a buffer between RAM and the CPU
- The cache is a smaller and faster memory which stores copies of the data from frequently used main memory locations.
iii) Expansion slots vs. Expansion Cards
Answer:
Expansion slots:
- Expansion slots is a socket where Expansion card can be inserted.
- Expansion slots is used to enhance computer capabilities.
- common type of Expansion slots are given below
- AGP (Accelerated Graphic port) for video card.
- PCI (Peripheral Component Interconnect) for Network card,Sound card.
- ISA(Industrial Standard Architecture)
Expansion Cards:
- Expansion Cards is small circuit board that can be inserted into an expansion slot.
- Expansion Cards is used to add more functionality to computer.
- Cache Memory is a buffer between RAM and the CPU
- Popular Expansion Cards are give below.
- Modem card.
- Network Interface Card.
- Sound card
- Video card
iv) RAM vs. ROM
Answer:
- RAM is temporary memory while ROM is permanent memory
- All Contents of RAM is removed when computer turned off while information is stored ROM permanently
- RAM loads programs before execution while ROM contains BIOS help operating system to load.
v) System Software vs. Application Software
Answer:
System Software:
- System Software controls overall working of a computer system.
- System Software acts as an interface between user and computer system.
Application Software:
- Application Software carries out specific task.
- Application Software is a set of programs often called software package.