computer mcqs pdf download

PPSC computer Mcqs pdf download

Computer Quiz # 12

Q1. When entering text in a document, you usually press Enter at the end of every _____?
(A) Line
(B) Sentence
(C) Paragraph
(D) Word

Q2. Which of the following programs can help a person who cannot use their hands to log on to a computer?
(A) Video conferencing
(B) Speech recognition
(C) Audio digitizer
(D) Synthesizer

Q3. Memory unit is one part of____________?
(A) Input device
(B) Control unit
(C) Output device
(D) Central Processing Unit

Q4. Microprocessors are used in making of  ________________?
(A) Computer
(B) Digital systems
(C) Calculators
(D) All of the above

Q5. Which statement is valid about computer programs?
(A) High-level languages must be converted to machine language for processing
(B) High-level language programs are more efficient and quick to perform
(C) It is more difficult to identify errors in high-level language programs than in low-level programs
(D) All of above

Computer Scinece

Q6. By programmable machine we mean_____________?
(A) computers
(B) modern television
(C) washing machines
(D) Everything can be tuned for different things with the right software

Q7. What is a secondary memory device?
(A) Keyboard
(B) Disk
(C) ALU
(D) All of the above

Q8. One of the popular mass storage devices is CD ROM. What does CD ROM stand for?
(A) Compactable Read Only Memory
(B) Compact Data Read Only Memory
(C) Compactable Disk Read Only Memory
(D) Compact Disk Read Only Memory

Q9. Identify the true statement about computers.
(A) The computer is 100% accurate but can be affected by GIGO (Garbage In Garbage Out).
(B) Computers are reliable because they use electronic components which has a very low failure rate
(C) Computers never get tired and bored
(D) All of above

Q10. Permanent software, like the one stored in the hardware ROM, is known as ___________?
(A) Hardware
(B) Software
(C) Firmware
(D) ROM ware

PPSC Computer Mcqs pdf download

Q11. Which memories should be refreshed several times per second?
(A) Static RAM
(B) Dynamic RAM
(C) EPROM
(D) ROM

Q12. The translator which takes the assembly language as input & produces machine language code?
(A) Compiler
(B) Interpreter
(C) Debugger
(D) Assembler

Q13. Serial access is useful in-memory applications such as:
(A) Data consists of numbers
(B) Short access time is required
(C) Each stored word is processed differently
(D) As a rule, data must be read in and read out sequentially

Q14. The communication channel used in ________________ mode in both directions at the same time.
(A) Full-duplex
(B) Simplex
(C) Half-duplex
(D) None of the above

Q15. Who invented Slide Rules?
(A) John Napier
(B) William Oughtred
(C) Gottfried Leibnitz
(D) Blaise Pascal

Q16. The proper definition of a modern digital computer is____________?
(A) An automated electronic machine that can solve problems with words and numbers
(B) More sophisticated and customized electronic calculator
(C) Any device that can execute arithmetic operations
(D) Binary machine code

Q17. Memory is made up of_____________?
(A) Set of wires
(B) Set of circuits
(C) a Large number of cells
(D) All of these

Q18. Which of the following is the most powerful computers?
(A) Mainframe Computer
(B) Mini Computers
(C) Micro Computers
(D) Super Computers

Q19. Which PC printers use dry toner?
(A) Daisy wheel printer
(B) Line printer
(C) Laser printer
(D) Thermal printer

Q20. In which generation Computers vacuum tube was used
(A) First generation
(B) Second generation
(C) Third generation
(D) Fourth generation

PPSC computer Mcqs pdf download