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1. Which of the world’s first electric computer?
— ENIAC, in full Electronic Numerical Integrator and Computer, the first programmable general-purpose electronic digital computer, built during World War II by the United States.
2. Mauchly was associated with which university?
– the University of Pennsylvania.
3. Who invented the electromechanical decimal system computer?
—Howard Aiken in1937 invented the electromechanical computer. The device was dense in its 50 ft.
4. What do we get with Blay Pascal’s machine?
— Addition and subtraction.
5. How many parts are there in computer hardware?
— 5.
6. What is the function of the Arithmetic Logic Unit?
—Mathematical operations.
7. What is the number of software companies in India?
– 600.
8. In what year was Binoc Computer released?
-1949.
9. In what year did the modern computer begin?
– In 1950.
10. What exactly is a video card?
– An expansion card.
11. How is dot pitch expressed?
—in fractions of millimetres.
12. What is Harddrive called?
-Storage device.
13. What does the cable modem work through?
—Television network.
14. What exactly is an inkjet printer?
—Non-impact printer.
15. What is the function of the compiler?
– Converting the program to computer language.
16. Who does the actual processing work of the computer?
– ALU
17. How many types of memory are there?
– Two.
18. What is ELDIN?
– Command.
19. What is WRITE?
— Text editor.
20. What is an encoder?
—Digital circuits.
21. Visual is What type of software?
– Spreadsheet.
22. What is a volatile memory?
– Ram
23. What is the unit of measure for harddisks?
— gigabytes.
– Web hosting is an online service that enables you to publish your website or web application on the internet.
25. What is called a computer ‘bug’?
— Inherent errors in the software.
23. A-M. What is D’s full name?
—American Microdevices.
27. How many worksheets are usually created with a work?
– 12.
28. Who is 3D Studio Max related to?
– Multimedia.
29. What are POP and PPP?
-Protocol.
30. In which year was the first minicomputer made?
-1965.
31. How many MB is equal to GB?
-1024
32. What is the whole meaning of the word ‘IC’?
– Integrated Circuit.
33. What are the three main logic gates?
-AND, OR, NOT
34. What does the word ‘OMR’ mean?
– Optical Mark Readers.
35. What is the whole meaning of DNS?
-Domain Name System.
36. Visual Display Unit (VDU) is associated with which device?
—Computer.
37. What is a computer keyboard?
—Input device.
38. How many Divisions are there in Cobol Program?
-4 divisions
39. Z-1, Z-2, what kind of computer?
– Mechanical
40. What is the brain of the computer called?
CPU (Central Processing Unit) k. It is also called Micro Processor.
41. What is the function of the CPU?
Three parts of CPU. The first part ALU (Arithmetic Logical Unit) is responsible for doing arithmetic and logical operations, the second part is the control unit – which controls the entire computer system, and the third part is the main memory or hard disk where all data, records, files are stored.
42. What is the work of the computer?
DATA COLLECTION, DATA PROCESSING, STORAGE AND PROCESSED INFORMATION DELIVERY.
43. What devices are used to send information to the computer?
Keyboard, mouse, scanner etc.
44. What equipment is needed to process the information sent to the computer?
Microprocessor or processor. Microprocessors use tiny chips. More advanced chips are in the process of being developed. As the chip improves, the speed increases and the more instructions can be sent to the computer, the faster the computer can work. Computer speed is measured in megahertz and gigahertz.
45. What is used to store information in a computer?
Floppy or compact disc, CD-ROM, tape cartridge. Storage capacity is measured in kilobytes, megabytes, gigabytes
46. Which device provides computer-processed information?
Visual display unit or screen or monitor, speaker, printer.
47. What is the equipment used in the computer system?
hardware.
48. What is a software called?
Various methods, routines, and programs that are required to run computer hardware are called software. In a word software is instructions and data and in hardware, the instructions of the software are followed.
49. What does the program mean?
Instructions written to perform a specific task are called programs.
BASIC, FORTRAN, COBOL, PASCAL, C C++ etc. are various programs written in computer languages.
50. What does binary language mean?
Computers depend on digital signals to function. This is binary language. This binary signal is composed of ‘O’ and ‘1’. Computers can only understand this code. So the operating system executes the program using the machine language with the help of a language processor. Arithmetic logic units do the processing of computer data.
51. How many types of software? What is their job?
Basically, two types of software are operating software and application software. Linkage of hardware and software. That is, an operation consisting of a set of instructions Operating system software is used to run a computer. Commonly used are DOS, Linux, Unix, Windows, and S/2. The operating system controls and makes the computer system used. Writing, imaging, and calculations are done with the help of application software. Typically word processing, database, spreadsheet, graphics and electronic mail software are available
52. Where are all the electronic equipment of the computer?
in the system unit.
53. What equipment does the system unit have?
Power supply, motherboard, expansion card, expansion slot, random access memory, central processing unit, hard drive, floppy drive, CD-ROM drive.
54. How many watts of electricity does the computer need?
200 watts.
55. What is the path along which electrical signals travel from one part of the computer to another?
the bus The main circuit board usually has three internal buses namely the data bus, address bus and control bus. A bus is measured by how many bits of information can be transmitted in a given time. Bus speed is measured in MHz.
56. What is the function of the motherboard?
The motherboard is the main circuit board and the largest part of the computer. The processor, video card, sound card, hard drive, CD ROM drive, printer, modem etc. are connected to the motherboard and these parts communicate with each other through the motherboard. Motherboards are specific to specific processors
57. What is the system clock?
The motherboard houses the system clock. It sends signals on specific waves to different parts of the computer. Each cycle of the signal is called a clock cycle. Every function of the computer is determined by this clock cycle.
58. What is a chipset?
Certain classes of processors and memory require specific chipsets. Because the motherboard is built around the chipset. Moreover, the logic circuit in the chipset has the design of how the processor, memory and other parts of the motherboard will communicate with each other, and how to protect the harmony between each other’s work. The controllers inside the chipset control all the functions.
59. What is the function of memory?
Data and programs are stored in memory. Integrated circuits are used for memory. When an application program is about to run on the CPU, random access memory helps to start quickly by providing instructions and information quickly. The more memory in the computer, the faster the computer works perfectly. Computer memory is measured in bytes. Memory speed is measured in megahertz or nanoseconds. Memory is needed to quickly provide the temporary information needed to complete a specific task, so unless special measures are taken, all information is erased when the computer is turned off. A computer’s memory can be expanded using a single in-line memory module.
60. How is permanent data stored in the computer?
Any software and computer program must first be loaded or stored on the hard drive inside the computer. Data storage speed or average access time on a hard drive is measured in milliseconds. Usually 10 or 20 milliseconds speed. Retrieving data from a hard drive is time-consuming, disk cache makes this task faster. A Floppy disk is one of the ways to store data. A floppy disk can store 144 megabytes of data. A floppy drive can read data from a floppy disk and write data to a floppy disk. Compact Disc ROM can store text, graphics, images and videos. A CD-ROM holds 600 megabytes of data. CD ROM is read-only no data can be written. CD-ROMs are read using laser technology in CD-ROM drives. Various software programs can be inserted into the computer with the help of CD ROM.
61. What is the work of the keyboard?
Edit and control displayable topics with Key Board. The keyboard works on characters (letters) or symbols so it is called a character user interface. Almost all keys have the ability to do two things. What functions can be used to write programs? Cursor controls are used to move pointers to specific locations on the computer screen or to mark specific fields. Some special symbols can be used with the key. Keyboards have 104/105 buttons, some keyboards also have 111/112 buttons.
62. What is the monitor?
The computer’s visual display unit or screen is the monitor. Text or image can be seen here. Monitors contain cathode ray tubes. Monitors can be black-and-white or colour. The size of the cathode ray tube depends on how many areas the text or image can be seen. The image that appears on the screen is a collection of numerous dots or pixels (picture elements). Resolution refers to the amount of information available across the length and width of the monitor. Resolution is determined by getting smaller dots i.e. increasing pixels. Likewise, more colours are available on monitors with more bits. The picture quality is also good.
63. How is the mouse used?
The mouse has a button on top and a rubber ball on the bottom. Wired to the CPU. Apart from that, there is also a mouse. The mouse can be moved as desired on a mouse pad with a rubber ball underneath. Along with the movement of the mouse, an arrow mark also moves on the monitor called the mouse pointer. To do specific work, the cursor must first be moved to a specific place among the various items that appear on the computer with the help of the mouse, then pressing the mouse button once will activate the specific item, pressing the button twice in a row will make the specific item work on the computer. If an item needs to be moved from one place to another place, the cursor is placed on the specific item and the mouse is moved to the specific place by pressing the button once.
64. What is the expansion slot and expansion card required on the motherboard?
Expansion slots are sockets and expansion cards are circuit boards. These circuit boards are mounted on sockets to add new features to the computer.
65. What is a scanner? What is its function?
Scanner input device. Scans for this computer. An image or text is broken into numerous pixels and sent to the computer. The more dots on the scanner, the better the scanner is.
66. What is the function of the printer?
The printer is an output device. Images or text can be printed with the help of a printer.
There are different types of printers and they have specific speeds. Speed is how many pages the printer can print per minute.
67. What is a video card?
The video card is an expansion card. It determines the colour depth and resolution of the computer monitor.
68. What is a sound card?
The sound card is an expansion card. Digital sound is available in the computer by inserting a sound card. Separate speakers, the stereo microphones can be used with the computer with the help of a sound card.
69. Why do computers need a modem?
To use fax, e-mail, internet, etc. requires the help of a modem. Computers can communicate information over telephone lines with the help of modems. A modem attached to a computer converts the analogue signal sent over the telephone line into a digital signal. With the help of a circuit board, the modem is plugged into the expansion slot. The modem is also called a network connection.
70. What does network mean?
A network is a system of connection between two or more computers, through which the computers exchange various information among themselves.
71. What are the main components of the network?
(1) Terminal – input/output devices for sending and receiving data
(2)Telecommunication Processors – Modems and other devices,
(3) Telecommunications Channels and mediums—cable or microwave systems,
(4) computers and
(5)Telecommunication software – several programs.
72. What is the Internet?
The combination of two or more networks is the Internet. That is a network of networks.
This network is spread all over the world. The Internet is the easiest and fastest way to share and collect information.
73. What is a virus?
A virus is a special type of program that transmits information to a computer, Disrupts processes, and destroys data and even programs stored on the computer. It also spreads from one computer to another.
