PSC COMPUTER APPLICATION QUESTIONS AND ANSWERS
COMPUTER APPLICATION QUESTIONS AND ANSWERS / PSC Questions and Answers:- PSC Degree Level Questions and Answers - KAS Questions and Answers / PSC New Pattern Syllabus Question
* PSC Exam Questions and Answers
1. Dirty bit is used to show the
A. Page with corrupted data
B. The wrong page in the memory
C. Page that is modified after being loaded into cache memory
D. Page that is less frequently accessed
Answer: Page that is modified after being loaded into cache memory
2. The garbage collector
A. is critical for efficient virtual memory system
B. Prevents fragmentation from occurring
C. Is mostly used with fixed partition
D. Collects fragmented areas of memory
Answer: Collects fragmented areas of memory
3. The following has highest Access time:
A. Magnetic disk
B. Swapping devices
C. Floppy disk
D. Cache
Answer: Magnetic disk
4. A hardware device that is capable of executing a sequence of instruction is called
A. CU
B. Processor
C. CPU
D. ALU
Answer: Processor
5. To transfer electronic mail from one machine to another, the following TCP/IP protocol is used
A. RPC
B. FTP
C. SNMP
D. SMTP
Answer: SMTP
6. High-resolution, bit-mapped displays are useful for displaying:
A. more characters
B. clearer characters
C. graphics
D. all of the above
Answer: A4
7. ___________ folder contains the recently viewed Web pages content
A. Explorer
B. History
C. Windows
D. Temporary Internet Files
Answer: Temporary Internet Files
8 .The default page size for word document is
A. Letter
B. Legal
C. A4
D. A3
Answer: A4
9. A _____________ is a collection of spreadsheet pages
A. Workbook
B. Artbook
C. Worksheet
D. Documents
Answer: Worksheet
10. Which of the following is not a search engine
A. Google
B. Yahoo
C. Firefox Mozilla
D. Altavista
Answer: Firefox Mozilla
11. Which of the following is not used as secondary storage
A. Semiconductor memory
B. Magnetic disk
C. Magnetic drum
D. Magnetic tape
Answer: Magnetic disk
12. The Simplest CPU scheduling algorithm is _____________
A. Multilevel Scheduling algorithm
B. FCFS Scheduling algorithm
C. SJF Scheduling algorithm
D. Round-robin scheduling algorithm
Answer: FCFS Scheduling algorithm
13. What is the full form of PDF
A. Printed Document Format
B. Public Document Format
C. Portable Document Format
D. Published Document Format
Answer: Portable Document Format
14. Who is known as the founder of IBM Company
A. Steve Jobs
B. Thomas J. Watson
C. Nolan Bushnell
D. Alan Turing
Answer: Thomas J. Watson
15. Microsoft Office's personal information manager is
A. Outlook
B. Internet Explorer
C. Organizer
D. Access
Answer: Outlook
16. A hyperlink means
A. text connected to page
B. plain text
C. coloured text
D. None of the above
Answer: text connected to page
17. The GUI means
A. General User Interaction
B. Graphical User Interface
C. Guided User Interface
D. General User Interface
Answer: Graphical User Interface
18. In which year, the Microsoft company was founded
A. 1972
B. 1975
C. 1980
D. 1984
Answer: 1975
19. The main page of a Web site is known as
A. Home page
B. Bookmark page
C. Content page
D. Navigator page
Answer: Home page
20. They normally interact with the system via user interface provided by the application software.
A. Programmers
B. Developers
C. Users
D. Testers
Answer: Users
21. What do you call a specific instruction designed to do a task?
A. Command
B. Process
C. Task
D. Instruction
Answer: Command
22. Interpreter is used as a translator for __________
A. Low-level language
B. High-Level Language
C. COBOL
D. C
Answer: High-Level Language
23. Set of programs which consist of full documentation.
A. Software Package
B. System Software
C. Utility Software
D. File package
Answer: Software Package
24. Public domain software is usually:
A. System supported
B. Source supported
C. Community supported
D. Programmer supported
Answer: Community supported
25. OSS stands for:
A. Open System Service
B. Open Source Software
C. Open System Software
D. Open Synchronized Software
Answer: Open Source Software
26. Which of the following is not a way of acquiring software?
A. Buying pre-written software
B. Ordering customized software
C. Downloading public-domain Software
D. Duplicating the software
Answer: Duplicating the software
27. The software is designed to perform a specific task:
A. Synchronous Software
B. Package Software
C. Application Software
D. System Software
Answer: Application Software
28. Error detection at the data link level is achieved by the following
A. Equalization
B. Bit stuffing
C. Hamming code
D. Cyclic redundancy codes
Answer: Cyclic redundancy codes
29. Viruses
A. Another form of computer attack is a virus
B. Viruses are designed to spread into other programs and can wreak havoc in a system
C. Causing system crashes and program malfunctioning
D. all of these
Answer: all of these
30. The operation which is commutative but not associative is
A. AND
B. OR
C. EX-OR
D. NAND
Answer: NAND
31. The time required for a gate or inverter to change its state is called
A. Propagation time
B. Decay time
C. Charging time
D. Rise time
Answer: Propagation time
32. The lowest level of input-output control consists of
A. Device drivers
B. Interrupt handler
C. both (a) and (b)
D. None of these
Answer: both (a) and (b)
33. The average number of comparisons in sequential search is:
A. n2
B. (n+1)/2
C. n(n+2)/2
D. n+2/2
Answer: (n+1)/2
34. The last DML statement processed during a commit transaction is?
A. INSERT
B. UPDATE
C. DELETE
D. POST
Answer: INSERT
35. The following is the unstable sorting method?
A. Insertion sort
B. Bubble sort
C. Merge sort
D. Heapsort
Answer: Heapsort
36. A web page is
A. Made up of text and HTML tags
B. Marked by an opening HTML tag
C. Marked by a closing HTML tag
D. All of these
Answer: All of these
37. The output of a lexical analyzer is:
A. A parse tree
B. Intermediate code
C. Machine code
D. A stream of tokens
Answer: A stream of tokens
38. Following is the Special software to create a job queue:
A. Interpreter
B. Linkage editor
C. Spooler
D. Drive
Answer: Spooler
39. The following are the standard synchronous communication protocol except?
A. SLIP
B. SDLC
C. PAS
D. SMTP
Answer: PAS
40. The following topology has the highest reliability:
A. Ring
B. Mesh
C. Bus
D. Star
Answer: Mesh
41. Standard for MODEM is drawn up by the following organisation:
A. Hayes
B. AT and T
C. BELL
D. CCITT
Answer: CCITT
42. Developing software __________ means a major commitment of time, money and resources.
A. In-house
B. In-sync
C. On-date
D. On-duration
Answer: In-house
43. Binary system uses the power of
A. 2
B. 4
C. 8
D.16
Answer: 2
44. Total number of pins in a serial port is
A. 5
B. 7
C. 9
D. 15
Answer: 9
45. OSS stands for:
A. Open System Service
B. Open Source Software
C. Open System Software
D. Open Synchronized Software
Answer: Open Source Software
Computer Application Previous Questions
1: The ………… tells the computer how to use its components. [S B I Clerk 2009; Punjab & Sindh Bank Clerk, 2010]
A) Utility
B) Application
C) Operating System
D) Network
E) None of the above
Answer: C) Operating System
2: What does C O stands in C O B O L ? [ I B P S Clerk, 2012]
A) Common Object
B) Common
C) Computer Oriented
D) Common Operating
E) None of the above
Answer: B) Common
3: A computer can’t ‘boot’ if it does not have the? [ Union Bank Of India Clerk, 2012]
A) Compiler
B) Loader
C) Operating System
D) Assembler
E) None of the above
Answer: C) Operating System
4: The function of an assembler is? [I B P S P. O. 2011]
A) To convert basic language into machine language.
B) To convert high-level language into machine language.
C) To convert assembly language into machine language.
D) To convert assembly language into a high-level language.
E) None of the above.
Answer: C) To convert assembly language into machine language.
5: Which among the following is/ are interpreted language? [S B I P. O. 2011]
A) C
B) C + +
C) Java
D) Visual Basic
E) Both C) and D)
Answer: E) Both C) and D)
6: A linker program? [R B I P. O. 2009]
A) places the program in the memory for the purpose of execution.
B) relocates the program to execute from the specific memory area allocated to it.
C) links the program with other programs needed for its execution.
D) interfaces the program with the entities generating its input data.
E) None of the above.
Answer: C) links the program with other programs needed for its execution.
7: Which of the following system software resides in the main memory always? [ I B P S Clerk, 2011]
A) Text Editor
B) Assembler
C) Linker
D) Loader
E) None of the above
Answer: D) Loader
8: The ………….. program is used to convert mnemonic code to machine code. [S B I Clerk 2011]
A) debug
B) C ++
C) F O R T R A N
D) Assembler
E) None of the above
Answer: D) Assembler
9: A set of rules for telling the computer what operations to perform is called a …….? [I B P S P. O. 2012]
A) procedural language
B) structures
C) natural language
D) command language
E) programming language
Answer: E) programming language
10: Machine Language [S B I P. O. 2013]
A) is the language in which programs were first written.
B) is the only language understood by the computer.
C) differs from one type of computer to another.
D) All of the above.
E) None of the above.
Answer: D) All of the above.
11: Assembly language [I B P S Clerk, 2011]
A) uses alphabetic codes in place of binary numbers used in machine language.
B) is the easiest language to write programs.
C) need not be translated into machine language.
D) All of the above.
E) None of the above.
Answer: A) uses alphabetic codes in place of binary numbers used in machine language.
12: Which of the following is not a computer language? [S B I Clerk, 2012]
A) High-level language
B) Machine language
C) Low-level language
D) Medium level language
E) None of the above
Answer: D) Medium level language
13: Translator program used in assembly language is called [ S B I Clerk, 2012]
A) compiler
B) interpreter
C) translation
D) translator
E) assembler
Answer: E) assembler
14: A(n) …… program is one that is ready to run and does not need to be altered in any way. [I B P S P.O. 2012]
A) interpreter
B) high-level
C) compiler
D) C O B O L
E) executable
Answer: E) executable
15: ……………. is a cross between human language and a programming language. [I B P S P.O. 2012]
A) Pseudocode
B) Java
C) The Java virtual machine
D) The compiler
E) None of the above
Answer: A) Pseudocode
16: Which of the following is a programming language for creating special programs like applets? [I B P S Clerk, 2012]
A) Java
B) Cobal
C) Domain name
D) Net
E) C O B O L
Answer: A) Java
17: ……………… are words that a programming language has set aside for its own use. [I B P S P. O. 2011]
A) Control words
B) Control structures
C) Reserved words
D) Reserved keys
E) None of the above
Answer: C) Reserved words
18: C ++ language developed by? [I B P S Clerk 2012]
A) Dennis Ritchie
B) Charles Babbage
C) Niklaus Wirth
D) Bjarne Stroustrup
E) John McCarthy
Answer: D) Bjarne Stroustrup
19: In programming, repeating some statements is usually called [S S C C G L, 2013]
A) looping
B) control structure
C) compiling
D) structure
E) None of the above
Answer: A) looping
20: F O R T R A N stands for [S B I Clerk, 2011]
A) Formal Translation
B) Formative Translation
C) Formal Transaction
D) Formal Translation
E) Formula Translation
Answer: E) Formula Translation
21: Software refers to [I B P S Clerk, 2012]
A) the physical components that a computer is made of
B) firmware
C) programs
D) peopleware
E) None of the above
Answer: C) programs
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