1. The primary goal of a computer system is to turn data into
Correct : C
Explanation: The primary goal of a computer system is to turn data into information. In other words, computers are able to accept raw data and process it into a more meaningful format. This information can then be used to make decisions, solve problems, or create new things.
2. In which generation did multiprogramming start ?
Correct : C
Explanation: Multiprogramming was introduced in the third generation of computers, which lasted from 1965 to 1980.
3. Which is the smallest of the following computer ?
Correct : B
Explanation: A notebook is smaller than a laptop. Notebook is generally 10-12 inch.
4. Generally which button of the mouse is used for ok ?
Correct : A
Explanation: The left mouse button is the primary button used for selecting, dragging, and interacting with objects on the screen. It is often used to click on icons, buttons, links, and other elements.
5. Which device can understand the difference data and programs ?
Correct : D
Explanation: A microprocessor can understand the difference between data and programs.A microprocessor is a computer processor that contains the arithmetic, logic, and control circuitry required to perform the functions of a computer's central processing unit (CPU). It's also known as the CPU.
6. Which of the following is the part of system unit ?
Correct : D
Explanation: The system unit is the part of a computer that contains the primary devices that perform operations and produce results for complex calculations. It includes the motherboard, CPU (Central Processing Unit), RAM (Random-Access Memory) etx.
7. An electronic path that connects one part to another ?
Correct : D
Explanation: A bus is an electronic path that sends signals from one part of a computer to another. It's a communication system that transfers data between components inside a computer, or between computers.
8. Which of the following language is appropriate for commercial purpose ?
Correct : b
Explanation: COBOL (Common Business-Oriented Language) is a business-oriented computer programming language that uses English words and phrases to make it easier for ordinary business users to understand.
9. The smallest unit of computer is called ?
Correct : B
Explanation: The smallest unit of computer processing is called a bit. A bit is a unit of data that can be either 0 or 1. The term "bit" refers to a binary digit.
10. A compiler translates a program written in high level language to ?
Correct : A
Explanation: A compiler is a computer program that translates code written in a high-level language to a lower-level language. The lower-level language is called object/machine code/machine language.
11. In MS DOS the command that is used to clear the screen ?
Correct : A
Explanation: The command to clear the screen in MS-DOS is CLS. This command clears the entire screen and allows you to type from the first line.
12. When more computers are connected at one place it is called ?
Correct : B
Explanation: A local area network (LAN) is a collection of devices connected together in one physical location, such as a building, office, or home.
13. The most important or powerful computer in a typical network is ?
Correct : B
Explanation: A network server is a computer that provides shared resources to other servers and workstations on a network. Network servers are built with more powerful components than individual workstations
14. An alternate name for the completely interconnected network topology is ?
Correct : A
Explanation: Mesh topology is a network configuration where devices are interconnected in a decentralized manner. In a mesh topology, each device connects directly to multiple other devices, forming a mesh-like structure.
15. A word on a web page that when clicked leads to another web page ?
Correct : C
Explanation: A word on a web page that when clicked leads to another web page is called a hyperlink. Hyperlinks are also called links.
Hyperlinks can be used to navigate online content. The linked text is called anchor text.
16. When you cut or copy information it gets place in the ?
Correct : B
Explanation: When you cut or copy information, it is placed in the clipboard. The clipboard is a temporary buffer that stores information about the element that was cut or copied. The clipboard's contents reside in the computer's RAM.
17. Which type of file is created by word processing programs ?
Correct : D
Explanation: A document file is a text or binary file format for storing documents on a storage media. A file is a unit of storage that can be considered a single thing.
18. Which of following device is used 'set of beads' to repersent the unit of data ?
Correct : C
Explanation: The abacus is a device that uses beads to represent numbers. It's a manual calculator that's used to demonstrate how computers store numbers, letters, and signs.
19. 'Expert system' is the characteristics of which generation of computer ?
Correct : D
Explanation: Fifth generation of computer use AI (artificial intelligence) which hepls to solve problems.
20. The flow and timing of data to and from the microprocessor is regulated by ?
Correct : A
Explanation: The control unit of a microprocessor regulates the flow and timing of data to and from the microprocessor. The control unit manages the flow of instructions and data between the memory and the ALU. It also ensures proper coordination, sequencing, and control of signals and operations.
21. Which of the following is an example of Input Device ?
Correct : B
Explanation: A scanner is an input device that converts physical documents, images, or objects into digital files that can be viewed, edited, and stored on a computer. Scanners work by using optical character recognition (OCR) to convert the image on a document into digital information.
22. Which of following device produces the best quality graphics reproduction ?
Correct : C
Explanation: Plotters are considered to produce the best quality graphics reproduction. Plotters are computer printers that use automated pens to create line drawings on paper based on commands from a computer. Unlike regular printers, plotters can draw continuous point-to-point lines directly from vector graphics files.
23. Which port can also used to connect two computers to transmit files ?
Correct : D
Explanation: A FireWire port, also known as IEEE 1394 or i.LINK, is a high-speed computer data-transfer interface that connects personal computers, audio and video devices, and other professional and consumer electronics.
24. What is the main folder on a storage device called ?
Correct : C
Explanation: The main folder on a storage device is called the root directory. It's also known as the root folder or just the root.
25. Which of the following memory has the shortest access time ?
Correct : C
Explanation: Cache memory has the shortest access time of any type of memory. It's designed to be extremely fast, with access times in the nanosecond range.
26. Which of the following is the binart digit ?
Correct : C
Explanation: A binary digit, or bit, is the smallest unit of information in a computer. It has a value of either 0 or 1, and can only have two states: on or off. These states are commonly represented as ones and zeros.
27. Floating point representation is used to store ?
Correct : B
Explanation: Floating-point representation is used to store real integers. It can also be used to implement high-range value operations and for numerical evaluations.
28. Software is generally classified into which type of categories ?
Correct : D
Explanation : Software can be classified into three categories: Utility, System and Application Software.
29. Which of the following is/are called low level language ?
Correct : A
Explanation: Machine language is also known as machine code. It's the lowest level of software and is read by the computer's central processing unit (CPU). Machine language is made up of binary digits (0s and 1s), hexadecimal, and octal decimal.
30. A translator is best described as ?
Correct : B
Explanation: A translator is a system software that converts a computer program from one language to another. It's a language programming processor that takes a program written in source code and converts it into machine code.