Generation of computer
Classification of Computers
Classification on working system
Digital computer – digital computer is the most commonly used type of computer and is used to process information with quantities using digits, usually using the binary number system. Ex – MacBook.
- A digital computer as its name implies works with digits to represent numerals, letters or other special symbols
- A digital computer process digital data Digital data is a discrete data and having only two possible values (0, 1)
- Digital computer provide accurate results but they are slower than analog computer
- Analog computers lack memory whereas digital computers store information
Analog, Digital, Hybrid, Super, Mainframe, Mini, Micro Computers | |
Computer Networking- transmission media | |
Network Devices and Types of network- LAN, WAN, MAN, ISDN | |
Data transmission, protocol, TCP/IP, IPV4 and IPV6 | |
nternet related terms | |
User interface, CLI, GUI, NUI, RUI, OUI, VUI Computer Aptitude | |
Computer Languages |
Analog Computer – a computer that operates with numbers represented by directly measurable quantities (as voltages or rotations) — compare digital computer, hybrid computer.
- Analog computer is used to process analog data
- Analog data is a continuous and having an infinite variety of values Such type of data include temperature, pressure, speed, weight, voltage, depth etc.
- Such type of data include temperature, pressure, speed, weight, voltage, depth etc. Examples of analog computer are Speedometer of car, Thermometer etc.
- Analog computers are faster Analog computers are faster
Hybrid Computer – a computer that combines the characteristics of a digital computer and an analog computer by its capacity to accept input and provide output in either digital or analog form and to process information digitally.
- A hybrid computer is a combination of digital and analog computers And it combines the best features of both types of computers
- For example a petrol pump contains a processor that converts fuel flow measurement into quantity and price
- Hybrid computer is used in hospitals to measure the heartbeat of the patient
- Hybrid Computers are also used in scientific applications or in controlling industrial processes
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