Computer MCQs-3 with Explaination

 

Computer MCQs-3

Answer with Explanation

1. A generic name for Intel processors released after the original 8086 processor is ______? 

[A] Pentium
[B] x86
[C] Pentium 286
[D] None of these

Explanation:
x86 refers to the instruction set architectures developed by Intel based on the Intel 8086 microprocessor. As of now, most of the personal computers and laptops sold are based on the x86 architecture.

2. Which among the following are not Objects in Access Database? 

[A] Table
[B] Form
[C] Query
[D] Pivot table 

Explanation:
Databases in Access are composed of four objects: tables, queries, forms, and reports. Microsoft Access Pivot Table Database allowed to select one row heading, one column heading, and one filter field. It has been removed in Access 2016.

3. Which of the following generation of computers is associated with artificial intelligence? 

[A] First
[B] Third
[C] Fifth
[D] Seventh

Explanation:
The discussion around the Fifth Generation computers includes new computer programming and architecture; semantics of programming languages; relational databases, linguistics theory, artificial intelligence, interference systems and so on.
 

4. First microprocessors were used in which of the following? 

[A] Computers
[B] Calculators
[C] Telephones
[D] Printers

Explanation:
The first microprocessors that emerged in the early 1970s were used for electronic calculators, using binary-coded decimal (BCD) arithmetic on 4-bit words.

5. What do we call a storage device where the access time is effectively independent of the location of the data?

[A] Direct Access Storage Device
[B] Secondary Storage Device
[C] Primary Storage Device
[D] Gateway Device

Explanation:
A direct-access storage device is a secondary storage device. It is the place where “each physical record has a discrete location and a unique address”. IBM coined the term DASD as a shorthand 
describing hard disk drives, magnetic drums, and data cells.

6. Dynamic Adhoc Wireless Networks (DAWN) usually come under ___?

[A] 2G
[B] 3G
[C] 4G
[D] 5G

Explanation:
The DAWN Dynamic Ad-hoc Wireless Networks project is developing a general theory of complex and dynamic wireless communication networks. It comes under 5G.

7. Which among the following is NOT a web browser?

[A] SpaceTime
[B] NeoPlanet
[C] Sputnik
[D] MeeGo 

Explanation:
MeeGo is not a web browser. It is a discontinued Linux distribution hosted by the Linux Foundation, using source code from the operating systems Moblin and Maemo.

8. “Macintosh” an Operating System is a product of ?

[A] Microsoft
[B] Apple
[C] Intel
[D] Google

Explanation:
The Macintosh was the brand name of the personal computers designed and sold by Apple Inc. since January, 1984. Since 1998, it was branded as Mac.

9. What are the components of the Central Processing Unit?

[A] Control Unit
[B] Arithmetic Logic Unit
[C] Memory
[D] All of the above

Explanation:
Control Unit, Arithmetic Logic Unit and Memory together are called the Central Processing Unit or the CPU.

10. When did the Online Etymology Dictionary first attested the use of the word “computer” as one who calculates?

[A] 1630s
[B] 1680s
[C] 1670s
[D] 1640s

Explanation:
The Online Etymology Dictionary first attested the use of the word “computer” in the 1640s as one who calculates.

 

11. Which of the following is the system bus?

[A] Bus connecting Keyboard and Motherboard
[B] Bus connecting CPU and Memory
[C] Bus connecting Memory and Monitor
[D] Bus connecting Hard Disk and Monitor

Explanation:
The bus connecting the CPU and memory is one of the defining characteristics of the system and is known as the system bus. Mostly the CPU and Memory they work synchronously.

 

12. 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

 

Explanation:
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.

 

13. Which of the following was the first commercial computer?

[A] Manchester Baby
[B] Manchester Mark 1
[C] EDVAC
[D] Ferranti Mark 1

 

Explanation:
The first commercial computer was Ferranti Mark 1 built by Ferranti and was delivered to the University of Manchester and was based on Manchester Mark 1.

 

14. What are the possible uses of a home theatre PC?

[A] Convergence Device
[B] Digital Video Recorder
[C] Digital Photo Viewer
[D] All of the above

 

Explanation:
A home theatre PC is a convergence device which is used as a Digital Video Recorder, digital photo viewer, video player, music player etc.

 

15. Which of the following devices is used for video games, flight simulators, training simulators and for controlling industrial robots?

[A] Mouse
[B] Light pen
[C] Joystick
[D] Keyboards

 

Explanation:
Joystick is the device used for the same. It is a point-and-draw device. It has a click button, a stick, a ball, a socket as well as a light indicator.

 

16. The CPU and Memory are located in which of the following ?

[A] Expansion Board
[B] Mother Board
[C] Storage Device
[D] Output Device

 

Explanation:
Motherboard holds and allows communication between many of the crucial electronic components of a system, such as the central processing unit and memory, and provides connectors for other peripherals.

 

17. Which of the following is the data storage device that is used to store very high resolution video formats?

[A] Blu Ray
[B] CD-ROM
[C] Floppy Drive
[D] Hard Disk

 

Explanation:
Blu-ray is a digital optical disc. It is capable of storing several hours of video in high-definition and ultra high-definition resolution. The name “Blu-ray” refers to the blue laser which is used to read the disc.

 

18. Which of the following is the storage device that uses rigid, permanently installed magnetic disks to store data ?

[A] Non-volatile Disk
[B] Permanent disk
[C] Optical disk
[D] Hard disk

 

Explanation:
A hard disk drive is an electromechanical data storage device that uses magnetic storage to store and retrieve digital information. HDDs are the dominant secondary storage device for general-purpose computers.

 

19. SysRq (System Request) key is a feature of which of the following type of keyboards?

[A] XT Keyboard
[B] AT Keyboard
[C] Enhanced Keyboard
[D] Windows Keyboard

 

Explanation:
System Request is a key on personal computer keyboard. It has no standard use. It was Introduced by IBM with the PC/AT. It was intended to be available as a special key to directly invoke low-level operating system functions.

 

20. There are many application software packages available at present. Which of the following is an application software package?

[A] Redhat Linux
[B] Adobe PageMaker
[C] Open Office
[D] Both b and c

 

Explanation:
Red Hat is an American multinational software company providing open-source software products to the enterprise community. It is not an application software rather it is a software firm.

 

 

21. Which of the following models of processing has the master/slave architecture as a feature?

[A] Distributed memory processing
[B] Shared memory processing
[C] Symmetric multi-processing
[D] None of the Above

 

Explanation:
Shared memory is memory that may be simultaneously accessed by multiple programs .Shared memory is a method by which program processes can exchange data more quickly than by reading and writing .

22. Which of the following is the another name for the Hard Disk Drive?

[A] Thin Film Drive
[B] SSD
[C] Winchester Drive
[D] Floppy Disk Drive

 

Explanation:
Winchester Drive is the another term for hard disk drive. The term Winchester comes from an early type of disk drive developed by IBM that had 30MB of fixed storage and 30MB of removable storage.

 

23. SysRq (System Request) key is a feature of which of the following type of keyboards?

[A] XT Keyboard
[B] AT Keyboard
[C] Enhanced Keyboard
[D] Windows Keyboard

 

Explanation:
System Request is a key on personal computer keyboard. It has no standard use. It was Introduced by IBM with the PC/AT. It was intended to be available as a special key to directly invoke low-level operating system functions.

 

24. Which of the following correctly defines a software?

[A] It is a collection of data or computer instructions.
[B] A software program has been first written by Ada Lovelace in the 19th century.
[C] Both a and b
[D] It is the softest part of the computer system.

 

Explanation:
Computer software is all the information processed by computer systems, programs and data. Computer software includes computer programs, libraries and related non-executable data.

 

25. Which of the following names is given to the near-minimum amount of software that can provide the mechanisms needed to implement an operating system?

[A] Microkernel
[B] μ-kernel
[C] Both a and b
[D] None of the Above

 

Explanation:
A microkernel is often abbreviated as μ-kernel. It is the near-minimum amount of software that can provide the mechanisms needed to implement an operating system.


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