1.
Which standard code is used to process keystroke on keyboardA.ANSIB.ASCIIC.Binary codeD.IEEE
Correct Answer
B. Option 2
Explanation
ASCII (American Standard Code for Information Interchange) is a standard code used to process keystrokes on a keyboard. ASCII represents characters as numeric codes, allowing computers to interpret and process keyboard input. It is widely used in computer systems and programming languages to ensure compatibility and consistency in representing characters across different devices and platforms.
2.
The brain of computer isA. ALUB.MemoryC.CPUD.Control Unit
Correct Answer
C. Option 3
Explanation
The brain of a computer is the CPU (Central Processing Unit). It is responsible for executing instructions, performing calculations, and controlling the overall operation of the computer. The CPU contains the ALU (Arithmetic Logic Unit), which performs mathematical and logical operations, and the Control Unit, which coordinates and manages the flow of data and instructions within the computer. The memory (option B) is responsible for storing data and instructions, but it is not the brain of the computer. Therefore, option 3 is the correct answer.
3.
Sequence of instructions is known asA.SoftwareB.ProgramC.ProjectD.none of the above
Correct Answer
B. Option 2
Explanation
The correct answer is Option 2 because a sequence of instructions is commonly referred to as a program in the field of computer science. A program is a set of instructions that tells a computer what to do in order to accomplish a specific task or solve a problem. Therefore, Option 2 is the most appropriate answer in this context.
4.
MS word is example of _______ softwareA.Open sourceB.Closed sourceC.System softwareD.all of these
Correct Answer
B. Option 2
Explanation
MS Word is an example of closed source software. Closed source software refers to proprietary software that is not freely available for modification or redistribution. MS Word is developed and owned by Microsoft, and its source code is not accessible to the public. Users can only use the software as provided by Microsoft without the ability to modify or distribute it.
5.
Which is system softwareA.LinuxB.UnixC.WindowsD.All of these
Correct Answer
D. Option 4
Explanation
The correct answer is "All of these" because all three options, Linux, Unix, and Windows, are examples of system software. System software refers to the programs and operating systems that manage and control the hardware and software resources of a computer system. Linux, Unix, and Windows are all operating systems that fall under the category of system software.
6.
Which is not part of computerA.Input deviceB.output devicesC.peripheral devicesD.stepper motor
Correct Answer
D. Option 4
Explanation
The correct answer is Option 4 because a stepper motor is not a part of computer peripherals. Input devices, output devices, and peripheral devices are all types of hardware that can be connected to a computer, whereas a stepper motor is a type of motor used for precise positioning in various mechanical systems.
7.
1024GB isA.1 BB.1TBC.1EBD.1 KB
Correct Answer
B. Option 2
Explanation
The correct answer is Option 2 because 1024GB is equal to 1TB. In computer storage, the storage capacity is often measured in bytes, with the smallest unit being a kilobyte (KB). 1 kilobyte is equal to 1024 bytes. Therefore, when we have 1024 gigabytes (GB), it is equivalent to 1 terabyte (TB), not 1 exabyte (EB) or 1 kilobyte (KB).
8.
VLSI is used in __________ generation computerA.FirstB.SecondC.ThirdD.Fourth
Correct Answer
D. Option 4
Explanation
VLSI (Very Large Scale Integration) is used in the Fourth generation of computers. The Fourth generation of computers, which began in the 1970s, saw the development of microprocessors and the use of integrated circuits (ICs) with thousands of transistors on a single chip. VLSI technology allowed for the creation of more powerful and compact computer systems, leading to advancements in areas such as artificial intelligence, personal computers, and supercomputers.
9.
__________ executes the instructionsA.CPUB.memoryC.hard diskD.Scanner
Correct Answer
A. Option 1
Explanation
The CPU (Central Processing Unit) executes the instructions. It is responsible for performing all the calculations and logical operations required by the computer. The CPU fetches the instructions from memory, decodes them, and then executes them by performing the necessary operations. Therefore, option 1 is the correct answer.
10.
Which unit controls the operation of CPUA.ALUB.RAMC.CUD.BU
Correct Answer
C. Option 3
11.
Google chrome isA.BrowserB.EditorC.CompilerD.Assembler
Correct Answer
A. Option 1
Explanation
Google Chrome is a browser.
12.
Operating system isA.HardwareB.software which manages resources of A systemC.software which performs computationD.none of the above
Correct Answer
B. Option 2
Explanation
An operating system is a software that manages the resources of a system. It controls the allocation and utilization of hardware resources such as memory, CPU, and input/output devices. It also provides a platform for other software applications to run on the system. Therefore, option 2 correctly describes the operating system as software that manages the resources of a system.
13.
An assembly language isA.low level programming languageB.mid level languageC.high level languageD.scripting language
Correct Answer
A. Option 1
Explanation
An assembly language is a low-level programming language. It is a human-readable representation of machine code instructions, which are directly executed by the computer's hardware. Assembly language provides a closer correspondence between the language and the architecture of the computer, allowing programmers to have more control over the hardware and optimize their code for performance. It is considered low-level because it is specific to a particular computer architecture and requires a deep understanding of the underlying hardware.
14.
Which is file creation commandA.RmB.TouchC.PsD.Mkdir
Correct Answer
B. Option 2
Explanation
The correct answer is "Touch" because the touch command is used to create a new file in the Unix/Linux operating system.
15.
Ls is windows commandA.TRUEB.FALSE
Correct Answer
B. Option 2
Explanation
The correct answer is Option 2 because the statement "ls" is not a valid Windows command. "ls" is a command used in Unix-based systems to list directory contents, but in Windows, the equivalent command is "dir". Therefore, the statement "ls is a Windows command" is false.
16.
______ is the first program run on A computer when the computer boots upA.System SoftwareB.Operating SystemC.System operatingD.None of the above
Correct Answer
B. Option 2
Explanation
The correct answer is Option 2: Operating System. The operating system is the first program that runs on a computer when it boots up. It is responsible for managing the computer's hardware, coordinating system resources, and providing a user interface. Without an operating system, the computer would not be able to perform any tasks or run any other programs.
17.
Compiler converts source code intoA.ComentB.object codeC.test caseD.assembly languge
Correct Answer
B. Option 2
Explanation
The correct answer is option 2, object code. A compiler is a software tool that translates the source code written in a high-level programming language into machine-readable object code, which can be directly executed by the computer's processor. Object code is a low-level representation of the program that contains machine instructions and data. Therefore, the compiler converts the source code into object code.
18.
Which Language is easy to understand for machine?A.Low Level LanguageB.Assembly LanguageC.high level languageD.None of the above
Correct Answer
A. Option 1
Explanation
Low Level Language is the correct answer because it is a machine-readable language that directly corresponds to the hardware and is easier for machines to understand and execute. It uses simple instructions and has a close relationship with the computer's architecture, making it more efficient for the machine to process. Assembly Language, although closer to human-readable, still requires translation into machine code. High-level languages, on the other hand, are designed to be more human-friendly and require a compiler or interpreter to convert the code into machine language.
19.
____ language is written in the form of binary languageA.High Level LanguageB.Assembly LanguageC.Machine Level LanguageD.None of the above
Correct Answer
C. Option 3
Explanation
Machine Level Language is written in the form of binary language. This is because machine level language is the lowest level of programming language and is directly understood by the computer's hardware. It consists of binary instructions that the computer can execute directly. High level languages and assembly languages are not written in binary language, as they are meant to be more human-readable and easier to understand and write. Therefore, Option 3 is the correct answer.
20.
_____ is A step by step execution of programA.TestingB.CompilationC.DebuggingD.All of these
Correct Answer
C. Option 3
Explanation
Debugging is the correct answer because it refers to the process of identifying and fixing errors or bugs in a program. It involves step by step execution of the program, testing its functionality, and making necessary changes to ensure its proper functioning. Compilation and testing are also part of the debugging process, making option 3 the most suitable choice.
21.
Fifth generation computer is also known asA.Knowledge information processing systemB.Very large scale integrationC.Both A and BD.None of the Above
Correct Answer
A. Option 1
Explanation
The fifth generation computer is also known as a Knowledge information processing system. This is because fifth generation computers are designed to use artificial intelligence and advanced technologies to process and understand large amounts of data and information. They are capable of learning, reasoning, and making decisions based on the knowledge they acquire. This term accurately describes the advanced capabilities and focus of fifth generation computers.
22.
ROM stands forA.Read Only MasterB.Read On MemoryC.Read Only MemoryD.Read Only Man
Correct Answer
C. Option 3
Explanation
ROM stands for Read Only Memory. It is a type of computer memory that can only be read from and not written to. This means that the data stored in ROM is permanent and cannot be changed or erased. ROM is commonly used to store firmware and software instructions that are essential for the operation of a computer or electronic device.
23.
RAM stands forA.Random And MemoryB.Read And MemoryC.Random Access MemoryD.Read Access Memory
Correct Answer
B. Option 2
24.
Register is A part ofA.ALUB.CPUC.Floppy DiskD.Disk Drive
Correct Answer
A. Option 1
Explanation
Register is a part of the CPU. It is a small, high-speed storage area within the CPU that holds data that is being processed or instructions that are being executed. Registers are used to store temporary data during calculations and to hold memory addresses for data storage and retrieval. They play a crucial role in the overall performance and efficiency of the CPU.
25.
Software isA.Group of programB.Group of hardwareC.Group of of registerD.Group Capacitor
Correct Answer
A. Option 1
Explanation
Software is a group of programs that are designed to perform specific tasks on a computer system. It consists of instructions and data that tell the computer how to operate and execute tasks. Therefore, option 1, "Group of program," is the correct answer as it accurately describes software. Option 2, "Group of hardware," is incorrect as software and hardware are distinct components of a computer system. Option 3, "Group of register," is also incorrect as registers are small areas of storage within a computer's central processing unit. Option 4, "Group capacitor," is unrelated to software and therefore incorrect.
26.
Logic error is also called asA.Semantic errorB.Compilation errorC.Syntax errorD.warning error
Correct Answer
A. Option 1
27.
Which of the following is business oriented Language?A.FORTRANB.PASCALC.CD.COBOL
Correct Answer
D. Option 4
Explanation
COBOL is a business-oriented language. It stands for Common Business-Oriented Language and is primarily used in business, finance, and administrative systems. COBOL is known for its readability and ease of use, making it a popular choice for developing applications in the business domain.
28.
Source Program isA.Program written by programmerB.Binary codeC.Byte CodeD.Executable code
Correct Answer
A. Option 1
Explanation
The correct answer is "Program written by programmer." This answer is correct because a source program refers to the original program that is written by a programmer using a programming language. It is the human-readable form of the program before it is translated into machine code or executed.
29.
Which is the object oriented languageA.CB.C++C.LISPD.COBOL
Correct Answer
B. Option 2
Explanation
The correct answer is Option 2, C++. C++ is an object-oriented programming language that supports the concepts of classes and objects. It allows for the creation of reusable code through the use of inheritance, polymorphism, and encapsulation. C++ is widely used in software development for its efficiency, flexibility, and ability to work with both low-level and high-level programming.
30.
Base of hexadecimal number system is.A.2B.8C.16D.10
Correct Answer
C. Option 3
Explanation
The base of the hexadecimal number system is 16. In this system, numbers are represented using 16 different symbols: 0-9 for the first ten values, and A-F for the remaining six values. Each digit in a hexadecimal number represents a multiple of a power of 16, allowing for a more compact representation of large numbers compared to decimal or binary systems.