(XI) Exercise-1

A. Multiple Choice Questions (Tick the best options)
  1. What is smallest unit of information?
    1. A bit
    2. A byte
    3. A block
    4. A nibble
  2. What is the term for a temporary storage area that compensates for differences in data rate and data flow between devices?
    1. Buffer
    2. Bus
    3. Channel
    4. Modem
  3. How is the data stored on the diskette?
    1. Ink
    2. Laser Bubbles
    3. Magnetism
    4. Circuits
  4. Which of the following is the smallest visual element on a video monitor?
    1. Character
    2. Pixel
    3. Byte
    4. Bit
  5. Which of the following is an input device?
    1. Plotter
    2. Printer
    3. VDU
    4. Mouse
  6. The central processing unit is located in the _____
    1. Hard disk
    2. System Unit
    3. Memory Unit
    4. Monitor
  7. Which of the following is equal to a giga byte?
    1. 1024 bytes
    2. 512 GB
    3. 1024 MB
    4. 1024 bits
  8. What is the speed of computer measured in ?
    1. Nano seconds
    2. Kilo seconds
    3. Giga hertz
    4. Mega bytes
  9. What is the full form of DRAM?
    1. Dynamic Remote Access Memory
    2. Dynamic Random Access Memory
    3. Dependent Remote Access Memory
    4. Dependent Random Access Memory
  10. Which of the following is not considered hardware?
    1. Operating System
    2. CPU
    3. Keyboard
    4. Hard Disk
  11. Which of the following is exclusively a sequential access storage device?
    1. Hard Disk
    2. Floppy Disk
    3. DVD
    4. Magnetic Disk
  12. What is the full form of USB?
    1. Unshielded System Board
    2. Universal System Board
    3. Unidentified System Bus
    4. Universal Serial Bus
  13. What is five main components of a computer system?
    1. CPU,CD-ROM, Mouse, Keyboard, Sound Card
    2. CPU, Memory, System Bus, Input , Output
    3. Modem, Keyboard, Word processor, Printer, Screen
    4. Memory, Video Card, Monitor, Software, Hardware
  14. A hard disk drive can be directly connected to a PC via a ____
    1. SCSI interface
    2. Parallel interface
    3. WAN interface
    4. USB interface
  15. The use of the IC in a computer has ______
    1. Increased the amount of heating.
    2. Reduced the size and cost of computers
    3. Reduced the peripheral devices to be used
    4. Reduced the performance capacity of the computer
  16. What is the main difference between a mainframe and a super computer?
    1. Super computer is much larger than mainframe computers
    2. Super computers are much smaller than mainframe computers
    3. Super computers are focused to execute few programs as fast as possible while mainframe used its power to execute as many programs concurrently
    4. Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible
  17. The brain of any computer system is
    1. ALU
    2. Memory
    3. CPU
    4. Control Unit
  18. A term in computer terminology is a change in technology a computer is/was being used.
    1. developemt
    2. generation
    3. advancement
    4. growth
  19. The generation based on VLSI micoprocessor.
    1. 1st
    2. 2nd
    3. 3rd
    4. 4th
  20. Microprocessor was introduced in which generation of computer?
    1. First Generation
    2. Second Generation
    3. Third Generation
    4. Fourth Generation
B. Short Questions:
  1. Write down major characteristics of computer.
  2. Write short notes on :
    (a) Super Computer
    (b) Mainframe Computer
  3. Compare mini and mainframe computers in terms of speed, memory and storage.
  4. What is super computer? Explain its applications in real time situations.
  5. What do you understand by storage media? Why CD-ROM is more reliable than floppy disk?
  6. What is memory in the computer system? Explain primary and secondary memory.
  7. What d o you mean by 'volatility'? Explain RAM and ROM with the concept and term.
  8. What is a 'BUS' in computer architecture? Explain different types of 'BUS' in brief.
  9. Write short notes on touch pads and light pens.
  10. Describe the difference between serial and parallel interfaces.
  11. Explain the work done by control unit and ALU of the computer.
  12. What are the main types of memory in a computer and explain how do the they differ from one another?
  13. What are the computer peripherals? Differentiate between sequential and random access storage media.
  14. What is the role of input and output devices in a computer system? Name some of the input and output devices used with computers and explain any two of them.
  15. Differentiate between impact and non-impact printer.
  16. Explain briefly the functions of input and control unit of a computer.
  17. Explain the functions of CPU.
  18. What is memory? Differentiate between primary and secondary memory. Why is hard disk popular than floppy disk? Explain.
  19. What is output device? Differentiate between softcopy and hardcopy output.
  20. Differentiate between RAM and ROM.
C. Long Questions
  1. What are the application areas of computer? Explain in brief.
  2. Define the term computer generation. Explain briefly about different generations of computer.
  3. Explain the evolution of computer, describing the technologies used in different generations of computer.
  4. What is mobile computing? Explain the importance and uses of mobile computing in communication.
  5. Define the term computer peripheral. Discuss different types of printers with their merits and demerits.
  6. With the logical structural diagram, explain the functions of elements of a computer system.
  7. What do you mean by computer architecture? Describe each functional components of computer architecture with typical diagram.
  8. Define memory. Explain the types of memory in details.
  9. Write short notes:
    10. (a) LCD Monitor
    (b) LED Monitor
    (c) Mouse
    (d) Keyboard
    (e) MICR
    (f) Scanner
    (g) Light Pen
    (h) OCR
    (i) Cache Memory
    (j) Serial and Parallel port
The End