Quiznetik
Important Computer MCQs For Competitive Exams part-1 | Set 4
1. To see the document before the printout is taken, use……….
A. Insert Table
B. Paste
C. Format Painter
D. Cut
E. Print Preview
Correct : E. Print Preview
2. The CPU of a computer?
A. understands only assembly language
B. understands machine language and high- level languages
C. understands only machine language
D. understands only high-level language
E. does not understand machine language
Correct : C. understands only machine language
3. Which of the following is not a term related to the World Wide Web?
A. Hyperlink
B. Hypertext
C. Website
D. Homepage
E. Keyboard
Correct : E. Keyboard
4. Which of the following is another name for pre-programmed formula in Excel?
A. Range
B. Graph
C. Function
D. Cell
E. None of these
Correct : C. Function
5. ALU works on the instructions held in ………
A. Notebook
B. Registers
C. Notepad
D. Clipboard
E. I/O Devices
Correct : B. Registers
6. ………..is a computer software designated to help people involved in a common task to achieve goals.
A. Shareware
B. Software
C. Freeware
D. Collaborative Software
E. None of these
Correct : D. Collaborative Software
7. …….is the process of getting access to the computer.
A. Switch on
B. Login
C. Logoff
D. Enter
E. None of these
Correct : B. Login
8. A collection of programmes which determines and controls how your computer system works and process information is called
A. Interpreter
B. Computer
C. Office
D. Compiler
E. Operating system
Correct : C. Office
9. The Title and Page number of a document can be displayed using which of the following options?
A. Insert table
B. Spelling and Grammar
C. Header and Footer
D. Thesaurus
E. File
Correct : C. Header and Footer
10. Data redundancy can be eliminated by using:
A. Networking
B. DBMS
C. Operating System
D. Processing the data manually
E. None of these
Correct : A. Networking
11. Which of the following uses computers and data communication to transmit data electronically between computers?
A. EDI
B. Physical Media
C. Printing a paper
D. DTE
E. None of these
Correct : A. EDI
12. …………is a combination of text, audio, still images, animation, video.
A. Multiplexer
B. Multiplier
C. Multimedia
D. Multiuser
E. None of these
Correct : C. Multimedia
13. MICR is exclusively used in :
A. Libraries
B. Super Markets
C. Stock markets
D. Banking Industry
E. None of these
Correct : D. Banking Industry
14. In order to change page margins in a word document
A. Drag the scr ll box on the scroll bars.
B. Delete the margin boundaries on the ruler
C. Right Click on the ruler
D. Drag the margin boundaries on the ruler
E. None of these
Correct : D. Drag the margin boundaries on the ruler
15. Pop-ups are a form of…..on the World Wide Web?
A. Instant Messaging
B. Search Engines
C. Browsers
D. Mark-up Languages
E. Online Advertising
Correct : E. Online Advertising
16. Thesaurus option is available in ………menu.
A. Page layout
B. References
C. Review
D. View
E. Layout
Correct : C. Review
17. Which of the following refers to the process of trading goods over the internet?
A. E-seva
B. E-trading
C. E-Finance
D. E-Sales
E. E-Commerce
Correct : E. E-Commerce
18. Which of the following is not used to align text in a document?
A. Left
B. Right
C. Center
D. Diagonal
E. Justify
Correct : D. Diagonal
19. Which of the following generation computers is referred to an expert system?
A. 2nd
B. 1st
C. 4th
D. 3rd
E. 5th
Correct : E. 5th
20. ………is a setoff instructions.
A. Hardware
B. Code
C. Language
D. Program
E. All of these
Correct : D. Program
21. Which printer is very commonly used for desktop publishing?
A. Laser Printer
B. Inkjet Printer
C. Daisywheel printer
D. Dot matrix printer
E. None of these
Correct : A. Laser Printer
22. An output device that uses words or messages recorded on a magnetic medium to produce audio response is
A. Magnetic tape
B. Voice response unit
C. Voice recognition unit
D. Voice band
E. None of these
Correct : C. Voice recognition unit
23. VPN means
A. Vital Private Network
B. Virtual Private Network
C. Visual Projection Node
D. Very Private Network
E. None of these
Correct : B. Virtual Private Network
24. The technique and process of searching, recovering, and interpreting information from large amounts of stored data is called
A. Browsing
B. Chatting
C. Retrieval
D. Desktop publishing
E. None of these
Correct : C. Retrieval
25. ………is the internal network of an organization?
A. Internet
B. Intranet
C. Extranet
D. Organet
E. None of these
Correct : B. Intranet
26. In network terminology, MAN stands for
A. Multi-Area Network
B. Main Area Network
C. Multi Application Network
D. Metropolitan Area Network
E. None of these
Correct : D. Metropolitan Area Network
27. A character that is raised and smaller above the baseline is known as
A. Outlined
B. Raised
C. Superscript
D. Subscript
E. None of these
Correct : C. Superscript
28. Long text can be broken down into many lines within a cell. You can do this through
A. Wrap Text in Format > Cells
B. Justify in Edit > Cells
C. Text Wrapping in Format > Cells, Layout tab
D. All of these
E. None of these
Correct : C. Text Wrapping in Format > Cells, Layout tab
29. By default there are……..worksheets in an Excel file
A. 2
B. 3
C. 4
D. 5
E. None of these
Correct : B. 3
30. Total number of rows in Excel 756
A. 65536
B. 256
C. 1024
D. None of these
E. None of these
Correct : A. 65536
31. Database management systems are intended to
A. Eliminate data redundancy
B. Manage file access
C. Maintain data integrity
D. All of these
E. None of these
Correct : D. All of these
32. A top-to-bottom relationship among the items in a database is established by a
A. Hierarchical schema
B. Network schema
C. Relational schema
D. All of these
E. None of these
Correct : A. Hierarchical schema
33. Which of the following is not a database object?
A. Tables
B. Queries
C. Relationships
D. Reports
E. None of these
Correct : C. Relationships
34. What are the columns in a Microsoft access table called?
A. Rows
B. Records
C. Fields
D. Columns
E. None of these
Correct : C. Fields
35. In……….there is no direct contact with the end users
A. B2B
B. B2C
C. C2C
D. All these
E. None of these
Correct : A. B2B
36. The spacing between character pairs is called :
A. Kerning
B. x-height
C. intercap
D. serif
E. None of these
Correct : A. Kerning
37. We cannot delete the……….icon but we can made it invisible.
A. Recycle
B. My Computer
C. Internet Explorer
D. My Network Place
E. None of these
Correct : A. Recycle
38. In case of Bus/Tree topology signal balancing issue is overcome by
A. Modulation
B. Polling
C. Segmentation
D. Strong transmitter
E. None of these
Correct : C. Segmentation
39. BCC in the internet refers to
A. Black carbon copy
B. Blind carbon copy
C. Blank carbon copy
D. Beautiful carbon copy
E. None of these
Correct : B. Blind carbon copy
40. Education combined with entertainment is called…………
A. Simulation
B. CAI
C. Edutainment
D. Synchronization
E. None of these
Correct : C. Edutainment
41. Which of the following transport layer protocols is used to support electronic mail?
A. SMTP
B. IP
C. TCP
D. UDP
E. None of these
Correct : C. TCP
42. The process of converting analog signals into digital signals so they can be processed by a receiving computer is referred to as :
A. modulation
B. demodulation
C. synchronizing
D. digitizing
E. None of these
Correct : D. digitizing
43. Which of the following is considered a broad band communication channel?
A. coaxial cable
B. fiber optics cable
C. microwave circuits
D. All of these
E. None of these
Correct : D. All of these
44. In a synchronous modem, the digital-to- analog converter transmits signal to the
A. equalizer
B. modulator
C. demodulator
D. terminal
E. None of these
Correct : A. equalizer
45. The loss in signal power as light travels down the fiber is called
A. attenuation
B. progragation
C. scattering
D. interruption
E. None of these
Correct : A. attenuation
46. Number of bits per symbol used in Baudot code is
A. 7
B. 5
C. 8
D. 9
E. None of these
Correct : B. 5
47. To get the ‘Symbol’ dialog box, click on the ………… menu and choose ‘Symbol’.
A. Insert
B. Format
C. Tools
D. Table
E. None of these
Correct : A. Insert
48. What is the short cut key to open Font dialog box?
A. Ctrl + F
B. Alt + Ctrl + F
C. Ctrl + D
D. Ctrl + Shift + D
E. None of these
Correct : C. Ctrl + D
49. Which of the following line spacing is invalid?
A. Single
B. Double
C. Triple
D. Multiple
E. None of these
Correct : C. Triple
50. Which of the following option in File pull down menu is used to close a MS Word document?
A. Quit
B. Close
C. Exit
D. New
E. None of these
Correct : B. Close
51. CLASS is the acronym for
A. Computer, Language and School Studies
B. Computer, Literacy and Studies in Schools
C. Computer, Language and Secondary Schools
D. Computer, Learning and School Studies
E. None of these
Correct : B. Computer, Literacy and Studies in Schools
52. SITE stands for
A. Satellite Instructional Technology and Engineering
B. State Institute of Teacher Education
C. Satellite Instructional Television Experiment
D. State Institute of Technology and Engineering
E. None of these
Correct : C. Satellite Instructional Television Experiment
53. Cloud computing means
A. Computing using the satellite
B. Computing using cloud chamber technology
C. Computing which results in errors
D. Shifting computing power from offline PCs and Laptops onto the Web
E. None of these
Correct : D. Shifting computing power from offline PCs and Laptops onto the Web
54. The ‘C’ language is
A. Context free language
B. Context sensitive language
C. Regular language
D. Assembly language
E. None of these
Correct : A. Context free language
55. What is the size of the Unicode character in Windows Operating System?
A. 8-bits
B. 16-bits
C. 32-bits
D. 64-bits
E. None of these
Correct : C. 32-bits
56. Data Encryption Techniques are particularly used for
A. protecting data in Data Communication System.
B. reduce Storage Space Requirement
C. enhances Data Integrity.
D. decreases Data Integrity
E. None of these
Correct : A. protecting data in Data Communication System.
57. _ is an “umbrella” activity that is applied throughout the software engineering process.
A. Debugging
B. Testing
C. Designing
D. Software Quality Assurance
E. None of these
Correct : D. Software Quality Assurance
58. Use of icons and windows are characteristic of a interface
A. command-driven
B. windows-oriented
C. graphical-user
D. menu-driven
E. None of these
Correct : C. graphical-user
59. The essential difference between an operating system like Linux and one like Windows is that
A. Windows can run with an Intel processor, whereas Linux cannot
B. Linux is proprietary, whereas Windows is not
C. Any programmer can modify Linux code, which is not permitted with Windows
D. there are multiple versions of Linux, but only one version of Windows
E. None of these
Correct : C. Any programmer can modify Linux code, which is not permitted with Windows
60. The category of operating system that you most likely have running on your PDA computer is a ………..operating system
A. real-time
B. single-user, single-task
C. single-user, multi-task
D. multi-user, multi-task
E. None of these
Correct : B. single-user, single-task
61. The barcode which is used on all types of items is read by a scanning device directly into the computer. What is the name of this scanning device?
A. Laser Scanner
B. Wand
C. OCR
D. MICR
E. None of these
Correct : A. Laser Scanner
62. Which of the following is not a method to preserve the security and integrity of information?
A. Antivirus software
B. Firewall
C. Phishing
D. Disk Encryption
E. Backup
Correct : C. Phishing
63. In computer science, by information we mean
A. Any output coming out from computer
B. Processed data put in an intelligent form
C. A report printed by the computer
D. Plural of data
E. None of these
Correct : B. Processed data put in an intelligent form
64. Which of the following features distinguishes a database file from a mere collection of data
A. Database enables data to be organized for effective use much faster
B. It organizes data in rows and columns
C. It gives reference name to each file created
D. It provides search facility
E. None of these
Correct : A. Database enables data to be organized for effective use much faster
65. Who coordinates the sequencing of events within the central processor of a computer?
A. Logic unit
B. Arithmetic unit
C. Register
D. Control Unit
E. None of these
Correct : D. Control Unit
66. The microprocessor of a computer cannot operate on any information if that information is not in its
A. secondary storage
B. main storage
C. ALU
D. Logic unit
E. None of these
Correct : B. main storage
67. Where have the program and data to be located before the ALU and control unit of a computer can operate on it?
A. Internal memory
B. Secondary memory
C. Microprocessor
D. Magnetic tapes
E. None of these
Correct : A. Internal memory
68. The only things moving around inside a computer are
A. Is and Os
B. electrons
C. bytes
D. proton
E. None of these
Correct : B. electrons
69. The data between the computer and peripherals always passes via in input/output
A. port
B. A/D converter
C. D/A converter
D. buffer memory
E. None of these
Correct : A. port
70. Preparing a magnetic disk for data storage is called
A. booting
B. formatting
C. debugging
D. commissioning
E. None of these
Correct : B. formatting
71. How many full adders are needed to add two 4-bit numbers with a parallel adder?
A. 8
B. 4
C. 2
D. 16
E. None of these
Correct : B. 4
72. If you see a diskette with a piece of foil covering its notch, it is said to be
A. write-protected
B. copy-protected
C. write-enabled
D. foil-covered
E. None of these
Correct : A. write-protected
73. What is the name of the screen symbol that shows the placement of the next character?
A. Mouse
B. Cursor
C. Track ball
D. Graphic tablet
E. None of these
Correct : B. Cursor
74. Point out the odd item amongst the following
A. computer mouse
B. touchpad
C. light pen
D. printer
E. None of these
Correct : D. printer
75. The very small and cheap computer built into many home devices is called computer. memory, tape or disk memory is
A. slower and more expensive
B. slower and less expensive
C. faster and more expensive
D. faster and less expensive
E. None of these
Correct : B. slower and less expensive
76. What is the main advantage of magnetic core memory over semiconductor RAM memory?
A. More compact and smaller
B. More economical
C. A it does not have to write after reading
D. Non-volatile
E. None of these
Correct : D. Non-volatile
77. Which of the following memories contains a thin film of magnetic material sandwitched between two permanent bias magnets?
A. ROM
B. Magnetic disk
C. Core memory
D. Bubble memory
E. None of these
Correct : C. Core memory
78. The minimum time delay required between the initiation of two successive memory operations is known as
A. memory cycle time
B. memory access time
C. transmission time
D. waiting time
E. None of these
Correct : A. memory cycle time
79. When the time to establish link is large and the size of data is small, the preferred mode of data transfer is
A. circuit switching
B. packet switching
C. time division multiplexing
D. All of these
E. None of these
Correct : B. packet switching
80. In circuit switching
A. data is stored at intermediate nodes
B. transmission path is set before data transfer
C. dedicated communication link is not required
D. All of these
E. None of these
Correct : B. transmission path is set before data transfer
81. Which of the following PC user must have a special hardware device that is to linkup with a bulletin board system?
A. ALU
B. Control Unit
C. Modem
D. Light Pen
E. None of these
Correct : C. Modem
82. A single primary storage location in the processor unit
A. can hold several different data items at the same time
B. can hold data items but not program instructions
C. is identified by a built-in and unique number called an address
D. is identified by a number that varies with the contents in the location.
E. None of these
Correct : C. is identified by a built-in and unique number called an address
83. A large computer designed to handle complex scientific calculations
A. may use only a firmed word-length storage approach
B. will likely require a character addressable storage unit
C. must use fixed length words of four character each
D. will not use numbered address locations
E. None of these
Correct : A. may use only a firmed word-length storage approach
84. Methods used to organize and physically store disk data are cylinder and
A. sector
B. surface
C. track
D. hib
E. None of these
Correct : A. sector
85. Magnetic storage chips have no moving parts, and they provide nonvolatile direct- access storage of data.
A. Tape
B. Disk
C. Ink character
D. Bus
E. None of these
Correct : A. Tape
86. A class of random access memory that requires periodic servicing in order for, the contents to remain valid is
A. Static RAM
B. Dynamic RAM
C. PROM
D. EPROM
E. None of these
Correct : B. Dynamic RAM
87. A sequence of microinstruction is
A. machine code
B. microcode
C. mnemonics
D. gray code
E. None of these
Correct : B. microcode
88. A specific part of an arithmetic and logic unit that is used to perform the operation of multiplication is
A. multiplier
B. multiplener
C. multivibrator
D. quantization
E. None of these
Correct : A. multiplier
89. Which of the following belongs to the first generation of computer?
A. HNIAC
B. IBM 1401
C. IBM 8090
D. UNI VAC
E. None of these
Correct : D. UNI VAC
90. A typical modern computer uses
A. LSI chips
B. vacuum tubes
C. valves
D. All these
E. None of these
Correct : A. LSI chips
91. Which kind of hardware is used the most in the input phase of a computer-based information system?
A. Keyboard
B. Printer
C. Monitor
D. Hard disk
E. None of these
Correct : A. Keyboard
92. Which kind of device allows the user to add components and capabilities to a computer system?
A. System boards
B. Storage devices
C. Input devices
D. Expansion slots
E. None of these
Correct : D. Expansion slots
93. Which of the following persons probably has the least amount of technical knowledge?
A. User
B. Computer operator
C. System Analyst
D. Programmer
E. None of these
Correct : A. User
94. Which of the following is not true for primary storage?
A. Information must be transferred to primary storage
B. It is relatively more expensive
C. It allows very fast access to data
D. It is less expensive
E. None of these
Correct : E. None of these
95. In a generic microprocessor, instruction cycle time is
A. shorter than machine cycle time
B. larger than machine cycle time
C. exactly double the machine cycle time
D. exactly the same as the machine cycle time
E. None of these
Correct : B. larger than machine cycle time
96. The cyclic codes are used in
A. arithmetic and logical computations
B. data transfer
C. continuously varying signal representation
D. All of these
E. None of these
Correct : C. continuously varying signal representation
97. The operation of a digital computer is based on principle.
A. Counting
B. Measuring
C. Electronic
D. Logical
E. None of these
Correct : A. Counting
98. The personal computers are also called
A. desk top computers
B. palmtop computers
C. advanced computers
D. portable computers
E. None of these
Correct : A. desk top computers
99. Which of the following is a group of related characters that are treated as a single unit?
A. Array
B. File
C. Field
D. Block
E. None of these
Correct : C. Field
100. The person who writes instruction that tell the computer how to handle input information is
A. data entry operator
B. computer programmer
C. computer operator
D. keypunch operator
E. None of these
Correct : B. computer programmer