Computers and IT MCQs
Computer Awareness Questions and Quiz for Banking, IBPS, RRB, RBI, SBI, NABARD examinations of 2024-2025. Computer Awareness MCQs for Competitive Exams. GKToday Computer Awareness for IBPS PO, IBPS Clerk, Bank PO, Bank Clerk and other entrance / competitive examinations.
21. 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
Show Answer
Correct Answer: D [Hard disk]
Notes:
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.
22. Keyboard Layouts are available in many scripts. Which of the following are of the Latin Scripts?
[A] Devorak
[B] Colemark
[C] JCUKEN
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
Devomark is a Latin type Keyboard. Colemak is a modern alternative to the QWERTY and Dvorak layouts, designed for efficient and ergonomic touch typing in English.
23. Which of the following are the other terms used for Software Decay?
[A] Code Rot
[B] Bit Rot
[C] Software Erosion
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
Software Decay is also known as software rot, code rot, bit rot, software erosion, software decay or software entropy. It is a slow deterioration of software performance over time.
24. What is the name given to any software that is included with a new computer, hardware, or other software program?
[A] Bundled Software
[B] Pre-installed Software
[C] Both a and b
[D] Free Software
Show Answer
Correct Answer: C [Both a and b]
Notes:
Bundle ware, pre-installed software, Bundled software is any software that is included with a new computer, hardware, or other software program. Bundled software is included at no additional cost to the user.
25. There are many types of database models .Which among the following are those types ?
[A] Network Database Model
[B] Relational Database Model
[C] Object Oriented Database Model
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
A database model is a type of data model that determines the logical structure of a database and fundamentally determines in which manner data can be stored, organized and manipulated.Types of database models are Hierarchical database model,Relational model,Network model,Object oriented database model,Entity-relationship model,Document model,Entity-attribute-value model,Star schema etc.
26. What is the name given to the special type of stored procedure that automatically executes when an event occurs in the database server?
[A] Deadlock
[B] Trigger
[C] Instance
[D] Rollback
Show Answer
Correct Answer: B [Trigger]
Notes:
A database trigger is procedural code that is automatically executed in response to certain events on a particular table or view in a database. The trigger is mostly used for maintaining the integrity of the information on the database.
27. What is the alteration of the signal due to differing propagation speeds of each of the frequencies called as?
[A] Distortion
[B] Attenuation
[C] Noise
[D] None of the above
Show Answer
Correct Answer: A [Distortion]
Notes:
Distortion is the change in the waveform of the signal due to noise. It is the alteration of the signal due to differing propagation speeds of each of the frequencies.
28. Which of the following radio signals are used by 1G networks?
[A] Analog
[B] Digital
[C] Both Analog and Digital
[D] None
Show Answer
Correct Answer: A [Analog]
Notes:
The radio signals used by 1G networks are analog. While the radio signals used by the 2G networks are digitals. This is one of the main differences between 1G and 2G.
29. What is the name of the first computer virus, that affected ARPANET?
[A] Mayhem
[B] Creeper
[C] Boom
[D] Attack
Show Answer
Correct Answer: B [Creeper]
Notes:
Creeper is the first network computer virus, which infected Arpanet in 1971. Bob Thomas created Creeper as an experimental self-duplicating program that was intended not to inflict damage on, but to illustrate a mobile application.
30. Which of the following internet connections serves only textual matter of a web page?
[A] Shell connection
[B] TCP/IP connection
[C] ISDN
[D] All of the above
Show Answer
Correct Answer: A [Shell connection]
Notes:
In Shell Connection, the user will get only textual matter of a Web Page as it does not support Graphics display or multimedia files.
