TNPSC Computer Awareness
50 Important Questions Answers
(a) Buffer Size
(b) Resolution
(c) Vertical Dimensions
(d) Intelligence
Answer: (b) Resolution
2. The number of records contained within a block of data on magnetic tape is defined by the?
(a) Block definition
(b) Record contain clause
(c) Blocking factor
(d) Record per block factor
Answer: (c) Blocking factor
3. Which of the following memory medium is not used as main memory system?
(a) Magnetic core
(b) Semiconductor
(c) Magnetic tape
(d) Both (a) and (b)
Answer: (c) Magnetic tape
4. One of the main feature that distinguish microprocessors from micro-computers is?
(a) Words are usually larger in microprocessors
(b) Words are shorter in microprocessors
(c) Microprocessor does not contain I/O devices
(d) Exactly the same as the machine cycle time
Answer: (c) Microprocessor does not contain I/O devices
5. An integrated circuit is?
(a) A complicated circuit
(b) An integrated device
(c) Much costlier than a single transistor
(d) Fabricated on a tiny silicon chip
Answer: (d) Fabricated on a tiny silicon chip
characters used in electronic data processing system is called?
(a) ASCII
(b) EBCDIC
(c) BCD
d) All of above
Answer: (a) ASCII
7. CD-ROM can store upto______ MB of data.
(a) 700 MB
(b) 4000 floppy disk
(c) 320 MB
(d) Both (a) and (b)
Answer: (a) 700 MB
8. Which of the following is associated with error detector?
(a) Odd parity bit
(b) Even parity bit
(c) Both of the above
(d) None of above
Answer: (c) Both of the above
9. Which statement is valid?
(a) 1 KB = 1024 bytes
(b) 1 MB = 2048 bytes
(c) 1 MB = 1000 bytes
(d) 1 KB = 1000 bytes
Answer: (a) 1 KB = 1024 bytes
(a) Fields are composed of bytes
(b) Records are composed of fields
(c) Fields are composed of characters
(d) All of the above
Answer: (d) All of the above
11. The first machine to successfully perform a long series of arithmetic and logical operations was?
(a) ENIAC
(b) Mark –I
(c) Analytic Engine
(d) UNIVAC-1
Answer: (b) Mark –I
12. Who is credited with the idea of using punch cards to control patterns of a weaving machine?
(a) Pascal
(b) Hollerith
(c) Babbage
(d) Jacquard
Answer: (d) Jacquard
13. Computers that are portable and convenient for users who travel are known as _______?
(a) Super Computers
(b) Laptops
(c) Mini computers
(d) File servers
Answer: (b) Laptops
14. Which was the world‟s first minicomputer and when was it introduced?
(a) PDP-I, 1958
(b) IBM System/36, 1960
(c) PDP-II, 1961
(d) VAX 11/780, 1962
Answer: (a) PDP-I, 1958
15. To access a mainframe or super computer, users often use a_______?
(a) Terminal
(b) Node
(c) Desktop
(d) Hand held
Answer: (a) Terminal
16. The proper definition of a modern digital computer is?
(a) An electronic automated machine that can solve problems involving words and numbers
(b) A more sophistic and modified electronic pocket calculator
(c) Any machine that can perform mathematical operations
(d) A machine that works on binary code
Answer: (d) A machine that works on binary code
17. PARAM and ANURAG are supercomputers developed in?
(a) China
(b) USSA
(c) England
(d) India
Answer: (d) India
18. A modern electronic computer is a machine that is meant for?
(a) Doing quick mathematical calculations
(b) Input, storage, manipulation and outputting of data
(c) Electronic data processing
(d) Performing repetitive tasks accurately
Answer: (b) Input, storage, manipulation and outputting of data
19. Most of the commonly used personal computers/laptops do not have a command key known as ____________?
(a) Turnover
(b) Shift
(c) Alter
(d) Delete
Answer: (a) Turnover
20. Most important advantage of an IC is its
(a) Easy replacement in case of circuit failure
(b) Extremely high reliability
(c) Reduced Cost
(d) Lower power consumption
Answer: (b) Extremely high reliability
21. A _______ represents approximately one billion memory location?
(a) Kilobyte
(b) Megabyte
(c) Gigabyte
(d) Terabyte
Answer:(c) Gigabyte
22. The term gigabyte refers to?
(a) 1024 bytes
(b) 1024 kilobytes
(c) 1024 megabytes
(d) 1024 gigabyte
Answer:(c) 1024 megabytes
23. Word processing, spreadsheet, and photo-editing are examples of?
(a) Application software
(b) System software
(c) Operating system software
(d) Platform software
(e) None of these
Answer:(a) Application software
24. ________ is a set of computer programs used on a computer to help perform tasks?
(a) An instruction
(b) Software
(c) Memory
(d) A processor
Answer:(b) Software
25. System software is the set of programs that enables your computer's hardware devices and ______software to work together?
(a) Management
(b) Processing
(c) Utility
(d) Application
Answer:(d) Application
26. The two broad categories of software are?
(a) Word processing and spreadsheet
(b) Transaction and application
(c) Windows and Mac OS.
(d) System and application
Answer:(d) System and application
27. Personnel who design, program, operate and maintain computer equipment refers to?
(a) Console-operator
(b) Programmer
(c) People ware
(d) System Analyst
Answer:(c) People ware
28. A computer program that converts an entire program into machine language is called a /an?
(a) Interpreter
(b) Simulator
(c) Complier
(d) Commander
(e) None of these
Answer:(c) Complier
29. A computer program that translates one program instructions at a time into machine language is calle a/an?
(a) Interpreter
(b) CPU
(c) Compiler
(d) Simulator
Answer:(a) Interpreter
30. Programs designed to perform specific tasks is known as?
(a) System software
(b) Application software
(c) Utility programs
(d) Operating system
Answer:(b) Application software
(a) Bank Balance
(b) Examination marks
(c) Real Numbers
(d) Employee Address
Answer: (d) Employee Address
(a) None
(b) One
(c) Two
(d) It depends on the amount of memory in the computer
Answer: (c) Two
33. How many values can be represented by a single byte?
(a) 512
(b) 16
(c) 64
(d) 256
Answer: (a) 512
34. One megabyte equals approximately
(a) 1,000 bits
(b) 1,000 bytes
c) 1 million bytes
(d) 1 million bits
Answer: (c) 1 million bytes
35. Which of the following is true?
(a) Byte is a single digit in a binary number
(b) Bit represents a grouping of digital numbers
(c) Eight-digit binary number is called a byte
(d) Eight-digit binary number is called a bit
Answer: (c) Eight-digit binary number is called a byte
36. The primary goal of a computer system is to turn data into?
(a) Ideas
(b) Suggestions
(c) Information
(d) Reports
Answer: (c) Information
37. The _____ of a system includes the programs or instructions?
(a) Hardware
(b) Icon (c) Information
(d) Software
(e) None of these
Answer: (d) Software
38. The number of characters that can be stored in given physical space is?
(a) Word length
(b) Byte
(c) Data density
(d) Field
Answer: (c) Data density
39. Condensing output data to exhibit specific information is?
(a) Calculating
(b) Recording
(c) Merging
(d) Summarizing
Answer: (d) Summarizing
(a) GB
(b) KB
(c) MB
d) TB
Answer: (d) TB
41. The computer that process both analog and digital is called
(a) Analog computer
(b) Digital computer
(c) Hybrid computer
(d) Mainframe computer
Answer: (c) Hybrid computer
42. Where was India‟s first computer installed and when?
(a) Indian Institute of Technology, Delhi, 1977
(b) Indian Institute of Science, Bangalore, 1971
(c) Indian Iron & Steel Co .Ltd., 1968
(d) Indian Statistical Institute, Calcutta, 1955
Answer: (d) Indian Statistical Institute, Calcutta, 1955
43. Fifth generation computer is also known as?
(a) Knowledge information processing system
(b) Very large scale integration (VLSI)
(c) Both of above
(d) None of above
Answer: (a) Knowledge information processing system
44. Chief component of first generation computer was?
(a) Transistors
(b) Vacuum Tubes and Valves
(c) Integrated Circuits
(d) None of above
Answer: (b) Vacuum Tubes and Valves
45. Which operation is not performed by computer?
(a) Inputting
(b) Processing
(c) Controlling
d) Understanding
Answer: d) Understanding
46. Second Generation computers were developed during?
(a) 1949 to 1955
(b) 1956 to 1965
(c) 1965 to 1970
(d) 1970 to 1990
Answer: (b) 1956 to 1965
47. Artificial Intelligence is associated with which generation?
(a) First Generation
(b) Second Generation
(c) Fifth Generation
(d) Sixth Generation
(e) Fourth Generation
(c) Fifth Generation
48. The computer size was very large in?
(a) First Generation
(b) Second Generation
(c) Third Generation
(d) Fourth Generation
Answer: (a) First Generation
49. Which generation of computer is still under development?
(a) Fourth Generation
(b) Fifth Generation
(c) Sixth Generation
(d) Seventh Generation
Answer: (b) Fifth Generation
50. Microprocessors as switching devices are for which generation computers?
(a) First Generation
(b) Second Generation
(c) Third Generation
(d) Fourth Generation
Answer: (d) Fourth Generation