LONG ANSWER TYPE QUESTIONS-
1. Explain any two limitations and characteristics of a computer.
2. How are computers used in the field of Research and Education?
3. How are computers used in the field of sports and military?
4. Explain the importance of computers in the government sector and law enforcement.
5. What are the application of cormputers in engineering and manufacturing fields?
6. Explain the input, process and output cycle for the withdrawal of 2000 rupees from your savings account, using an ATM card.
7. Differentiate between Primary and Secondary memory.
8. What is a CPU? Explain the different parts of a CPU.
9. What do you know about
Microcomputers? Explain any two types of Microcomputers, which you commonly find in day to day life.
10. Explain the most powerful category of computers.
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Answers
Answer:
1.Computer cannot operate without the instructions given by humans. It is programmed to work effectively, fast and accurately. ...
Computer cannot operate without the instructions given by humans. It is programmed to work effectively, fast and accurately. ... Computer does not have intelligence of its own to complete the tasks. ...
Computer cannot operate without the instructions given by humans. It is programmed to work effectively, fast and accurately. ... Computer does not have intelligence of its own to complete the tasks. ... Lack of feeling is another limitation of computer. ...
Computer cannot operate without the instructions given by humans. It is programmed to work effectively, fast and accurately. ... Computer does not have intelligence of its own to complete the tasks. ... Lack of feeling is another limitation of computer. ... Computer has no learning power
2.Computers can be used for online education & research. With the help of the internet, students can find useful information about their projects, assignments and also can take useful help from other researchers as they store & organize their research materials in computers.
3.Computers are used in military for communications through radar,controlling missiles etc. They are also used for planning missions. Navy and airforce take advantage of Computers for attack calculations and controlling giant weapon gadgets. In sports they are used in high speed cameras for capturing minute details
4.Constant communication between police headquarters and patrol vehicles is necessary for effective crime fighting. Exchange of vital information through various government agencies is also made easier through the use of computers. ... Computers are used to store important data that helps in making law enforcement easier.
Answer:
1.
Characteristics: (i) Speed: A computer works at an amazing speed. The work which is done by a normal person in 2-3 hours can be done by a computer in a fraction of seconds.
(ii) Accuracy: A computer performs its task with great accuracy. It does not commit any mistake. Errors occur only when the input is incorrect.
Limitations: (i) No Intelligence: A computer has no IQ like human beings. It needs instructions at every step.
(ii) Dependency on Power: A Computer is an electronic machine and thus, its dependency on power makes it costly.
2. Computers can be used for online education & research. With the help of the internet, students can find useful information about their projects, assignments and also can take useful help from other researchers as they store & organize their research materials in computers.
3. Computers are used in military for communications through radar,controlling missiles etc. They are also used for planning missions. Navy and airforce take advantage of Computers for attack calculations and controlling giant weapon gadgets. In sports they are used in high speed cameras for capturing minute details.
4. Computer technology allows law enforcement services to store and retrieve vast amounts of data. This information can include details of incident reports, criminals' descriptions, fingerprints and other identifying marks. It can also include descriptions and registrations of vehicles involved in criminal activity.
5. Today, engineers rely on computers for much of the process. Using computers and specialty computer software, engineers can design, test and make changes to products in minimal time. Computers help them complete the task at hand much more quickly. Computers are today applied in all the aspects of manufacturing operations including, planning, control, scheduling, designing, distribution, processing, marketing, production etc.
6. After selecting the savings account, it will ask to enter your amount to withdraw from a machine. Enter 2000 rupees to withdraw and it will initiate the transaction process to get your amount. Take your 2000 rupees from the machine through the amount dispenser that is located under the keypad of the machine.
7. Primary memory is directly accessible by Processor/CPU. Secondary memory is not directly accessible by the CPU. The memory devices used for primary memory are semiconductor memories. The secondary memory devices are magnetic and optical memories.
8. The computer's central processing unit (CPU) is the portion of a computer that retrieves and executes instructions. The CPU is essentially the brain of a CAD system. The Central Processing Unit (CPU) is also known as the microprocessor or processor. The processor contains three sections called the Arithmetic Logic Unit (ALU), the Control Unit and Registers.
9. A microcomputer is a small, relatively inexpensive computer with a microprocessor as its central processing unit (CPU). It includes a microprocessor, memory and minimal input/output (I/O) circuitry mounted on a single printed circuit board (PCB).
Common microcomputers include laptops and desktops. Beyond standard PCs, microcomputers also include some calculators, mobile phones, notebooks, workstations and embedded systems. Smaller than a mainframe or minicomputer, a microcomputer uses a single integrated semiconductor chip for its central processing unit (CPU).
10. SUPER COMPUTER is the most powerful category of computer. A supercomputer is a term the most capable processing power of its time. ... Supercomputers are used in computational science to calculate and carry out a plethora of complex tasks.
Hope it helps you.