Computer MCQs-1 With Explanation

 Computer MCQs-1 

Answer with Explanation

1. What is used in most programs that is a part of a program and guides the user through certain steps?

[A] Software
[B] Wizard
[C] Wiki
[D] None of the above

A software wizard or setup assistant refers to a user interface type that presents a user with a sequence of dialog boxes that lead the user through a series of well-defined steps. Tasks that are complex, infrequently performed, or unfamiliar may be easier to perform using a wizard.

2. An Auto responder is a_______on mail server that automatically replies to e-mails? 

[A] command
[B] Software
[C] Program
[D] None of these

An auto responder is a computer program that automatically answers e-mail sent to it. They can be very simple or quite complex. The first auto responders were created within mail transfer agents that found they could not deliver an e-mail to a given address.

3. What is the full form of W3C?

[A] World Wide Web Consortium
[B] World Wide Web Company
[C] World Wide Web Center
[D] World Wide Web Command

The World Wide Web Consortium is the main international standards organization for the World Wide Web. It was Founded in 1994. The consortium is made up of member organizations.

4. Which among the following is a high-level language used to develop software applications in compact, efficient code that can be run on different types of computers with minimal change?

[B] C

COBOL is a high level language used to develop software applications in compact. It is compiled English-like computer programming language designed for business use. It object-oriented since 2002.

5. Which of the following lies within the CPU?

[A] Primary Memory

[B] Secondary Memory
[C] Mouse
[D] Keyboard

All input data and instructions are stored in the memory which is of two types-primary memory and the secondary memory.  Primary memory resides within the CPU while the secondary memory is external to it.

6. Which of the following indicates where is the computer is in terms of the program sequence?

[A] Logic Gate
[B] Knot Circuit
[C] Program Manager
[D] Program Counter

The program counter which is commonly known as the instruction pointer is actually a processor register that points where a computer is in its program sequence.

7. In the history of computing which computer fits the designation as the first personal computer?

[A] Bendix G15
[B] LGP-30
[D] Programma 101

ENIAC was the first personal computer. It had become operational in 1946.  ENIAC stands for Electronic Numerical Integrator and Computer.


8. In which of the following industries are touchscreens used?

[A] Heavy Industry
[B] Automated Teller Machines
[C] Medical Field
[D] All of the above

The popularity of smart devices has increased the popularity of touchscreens for both portable and functional electronics. These are found in the medical line, heavy industries, ATMs, room automation etc.

9. Which of the following system is also known as desk notes?

[A] Laptop
[B] Notebook
[C] DTR computer
[D] Nettops

A Desktop Replacement computer is also known as desk notes i.e. a combination of desktop and notebook.

10. What is the full form of CPU?

[A] Central Processing Unit
[B] Central Primary Unit
[C] Control Primary Unit
[D] Control Processing Unit

The control unit and ALU usually are referred to as a processor, or central processing unit (CPU). The operational speed of the CPU primarily determines the speed of the computer as a whole.

11. Who had build the first electronic digital computer?

[A] George Boole
[B] Charles Babbage
[C] John Atanasoff
[D] Cliff Berry

John V. Atanasoff who is an Ameican mathematician and also a physicist built the first electronic digital computer.

12. What can possibly be contained by an Integrated Circuit chip?

[B] Memory
[C] Peripheral Devices
[D] All of the above

Most modern microprocessors are usually contained in a single integrated circuit chip that contains a CPU, memory, peripheral interfaces and even other components of the computer. These are usually called the systems on a chip.

13. Which among the following is considered as the first true personal computer based on the 8-bit Intel 8080 microprocessor?

[A] Xerox Alto
[B] Wang 2200
[C] HP 9800
[D] Altair 8800

First true personal computer Altair 8800 which was created by Micro Instrumentation and Telemetry Systems MITS. It was based on 8-bit Intel 8080 microprocessor. It was introduced in 1974.

14. What is the full form of GUI ?

[A] Graphical User Instruction
[B] Ground User Interface
[C] General User Instruction
[D] Graphical User Interface

GUI stands for a graphical user interface. Graphical user interface basically provides a set of graphical elements on the screen to the users. Commonly used for point-and-draw devices.

15. Which of the following is the another name for the error or bug in software or hardware?

[A] Leech
[B] Squid
[C] Slug
[D] Glitch

A glitch is a short-lived fault in a system. Computer glitches are often only a temporary disruption. The most common causes are errors within the operating system and defects in a piece of software.

16. Which of the following clearly defines the LGA?

[A] A LGA Socket is the connection point for the CPU.
[B] It stands for Land Grid Array.
[C] It provide connection to motherboard.
[D] All of the Above

LGA is a chip package with a very high density of contacts. LGAs differ from traditional chips with protruding pins that are inserted into a socket. An LGA chip has flat pads on the bottom of its package that touch contacts on the motherboard socket.

17. What is the full form of SDLC?

[A] Software Developed Life Cycle
[B] Software Development Life Cycle
[C] Software Designing Life Cycle
[D] Software Developed Live Circuit

Software Development Life Cycle is the systematic development of software by following every stage in the development process namely, Requirement Gathering, System Analysis, Design, Coding, Testing, Maintenance and Documentation etc.

18. Which of the following correctly define the meaning of the word Kernel?

[A] It is the set of primitive functions upon which the rest of operating system functions are built up.
[B] It is considered as the shell of the operating system.
[C] It is the software which monitors the operating system.
[D] All of the Above

A kernel is the central part of an operating system. The kernel is the lowest level of the operating system. The kernel is the main part of the operating system and is responsible for translating the command into something that can be understood by the computer.

19. What is the name given to the Automatic Speech Recognition on Apple IPhone?

[A] Julie
[B] Siri
[C] Kewta
[D] Barbie

Siri is a virtual assistant that is part of Apple Inc.’s iOS. The assistant uses voice queries and a natural-language user interface to answer questions.

20. Which of the following is the location information application software?

[B] Google
[C] ArcGIS
[D] Win

ArcGIS is a geographic information system. It is used for working with maps and geographic information. It is used for creating and using maps, compiling geographic data, analyzing mapped information etc.

21. Garnet Operating System was developed to be used in which of the following devices?

[A] Laptops
[B] PDAs
[C] Smartphones
[D] Both b and c 

Garnet OS is also known as Palm OS. It is a discontinued mobile operating system initially developed for personal digital assistants (PDAs) in 1996. Later versions of the OS have been extended to support smartphones.

22. What does the SCCM stands for?

[A] System Center Configuration Manager
[B] Software Center Configuration Manager
[C] Software Configuration Checking Manager
[D] None of the Above

SCCM stands for System Center Configuration Manager. SCCM is a software management suite provided by Microsoft that allows users to manage a large number of Windows based computers.

23. Which of the following are the objects in Microsoft Access?

[A] Tables
[B] Queries
[C] Reports
[D] All of the Above

Databases in MS Access are composed of four objects. These are tables, queries, forms, and reports. Together, these objects allow us to enter, store, analyze, and compile data according to the wish.

24. What is the name given to the situation where the lock waits only for a specified amount of time for another lock to be released?

[A] Wait Around
[B] Timeout
[C] Lock Timeout
[D] Wait Wound

The Lock Timeout event class indicates that a request for a lock on a resource. It has timed out because another transaction is holding a blocking lock on the required resource.

25. Which of the following are examples of Access network?

[C] Mobile Network
[D] All of the Above

An access network is a type of network which physically connects an end system to the immediate router on a path from the end system to any other distant end system. Examples of access networks are ISP, home networks, enterprise networks, ADSL, mobile network, FTTH etc.

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