1.1 - Fundamental of Computer Systems


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1.1.1 - Introduction to Computer.


1. What is the primary function of a computer?
Correct Answer: C) To perform calculations and operations
2. What type of values does a digital computer use to represent internal data?
Correct Answer: B) Distinct values, such as 0s and 1s
3. Which of the following is NOT a characteristic of computers?
Correct Answer: D) Independence
4. Analogue computers are primarily used for what type of tasks?
Correct Answer: B) Real-time measurement of varying parameters
5. Which characteristic allows computers to maintain the same speed and accuracy over extended periods?
Correct Answer: C) Diligence
6. What does the term "compute" mean?
Correct Answer: B) To calculate
7. Which type of memory temporarily holds data in a computer?
Correct Answer: C) Primary memory
8. What is an example of an analogue computer?
Correct Answer: C) Slide rule
9. Which of the following best describes the versatility of a computer?
Correct Answer: B) Capability to perform diverse tasks effortlessly
10. Which type of computer was used in the earliest stages of computer development?
Correct Answer: D) Analogue computer

1.1.2 - History and Evolution.


11. Which device is considered the first mechanical calculating device?
Correct Answer: C) ABACUS
12. What was the purpose of Napier's Bones, created by John Napier in 1617 AD?
Correct Answer: B) Multiplication
13. Who developed the slide rule, and in which century?
Correct Answer: D) Edmund Gunter, 16th century
14. Which of the following devices was designed by Blaise Pascal?
Correct Answer: D) Adding and Subtraction Machine
15. What was the key function of Leibniz's Multiplication and Dividing Machine?
Correct Answer: C) Performing multiplication and division
16. The Punch Card System, invented by Jacquard in 1801, was initially used for:
Correct Answer: A) Controlling power looms
17. Who is known as the father of the computer, and why?
Correct Answer: B) Charles Babbage, for developing the analytical engine
18. What was the purpose of Herman Hollerith's punched card tabulating machine?
Correct Answer: B) Electronic processing of information from punched cards
19. What significant advancement did the Punch Card System contribute to modern digital computers?
Correct Answer: C) The foundation for the binary system (0s and 1s)
20. Which of the following machines is associated with both Charles Babbage and Lady Ada Lovelace?
Correct Answer: D) Analytical Engine

1.1.3 - Generation Of Computers.


21. Which generation of computers introduced the concept of artificial intelligence and "knowledge processors"?
Correct Answer: D) Fifth Generation
22. What key feature distinguishes fourth-generation computers from their predecessors?
Correct Answer: C) Implementation of microprocessors
23. What does the term "Very Large Integrated Circuits (VLICs)" refer to in the context of fourth-generation computers?
Correct Answer: A) Circuits with multiple transistors and resistors integrated on a single chip
24. Which memory type is described as being “burned” onto the chip and cannot be altered once created?
Correct Answer: B) ROM
25. During which generation did computers become significantly smaller and more portable due to advancements in miniaturization?
Correct Answer: C) Third Generation
26. What was a major programming advancement during the second generation of computers?
Correct Answer: B) Introduction of assembly language programming
27. Which type of memory in fourth-generation computers allows data to be programmed and modified by the user?
Correct Answer: C) PROM
28. What was the primary role of high-level programming languages like FORTRAN and COBOL during the second generation?
Correct Answer: B) To provide easier programming options compared to machine code
29. Which generation of computers saw the development of early networking technologies such as ARPANET?
Correct Answer: C) Third Generation
30. What is a key characteristic of fifth-generation computers in terms of their processing capabilities?
Correct Answer: B) They are designed to process billions of instructions per second.

1.1.4 - Classification of Computers.


31. What is a primary characteristic of analog computers?
Correct Answer: B) They operate with continuous electrical signals.
32. Which type of computer is designed to handle both analog and digital data?
Correct Answer: C) Hybrid Computer
33. What is the main advantage of digital computers over analog computers?
Correct Answer: B) Better accuracy and reliability in processing data
34. What is one of the key features of an Operational Amplifier (Op-Amp) used in analog computers?
Correct Answer: B) Infinite voltage gain
35. What distinguishes a special purpose computer from a general-purpose computer?
Correct Answer: A) It is designed for specific tasks only.
36. What is a typical use case for a general-purpose computer?
Correct Answer: C) Running various software applications for diverse tasks
37. Which type of computer is designed for use by individuals and is built around a microprocessor?
Correct Answer: B) Microcomputer
38. What is a characteristic of mini computers compared to microcomputers?
Correct Answer: C) Capable of supporting multiple users simultaneously
39. What feature makes mainframe computers suitable for large-scale applications and enterprise environments?
Correct Answer: B) Ability to handle millions of records in a day
40. In what application are supercomputers most commonly used?
Correct Answer: C) Complex scientific calculations and simulations

1.1.5 - Application of Computers.


41. Which of the following is NOT a typical feature of supercomputers?
Correct Answer: D) Limited to performing a small number of tasks at a time
42. What is the primary purpose of a hybrid computer?
Correct Answer: B) To integrate both analog and digital processing features
43. How are computers used in the field of education?
Correct Answer: B) For creating lecture notes, presentations, and administering online tests
44. In what way do computers impact the entertainment industry?
Correct Answer: B) By enabling users to download movies, play games, and create music
45. What role do computers play in sports?
Correct Answer: B) They are used to watch games, view scores, and train players.
46. How do computers contribute to advertising?
Correct Answer: B) By displaying advertisements on websites and facilitating email campaigns
47. In what way are computers utilized in medicine?
Correct Answer: B) By storing patients' medical histories and assisting in surgeries
48. What is a primary use of computers in science and engineering?
Correct Answer: B) Performing complex scientific computations and simulations
49. How do computers assist governments in their operations?
Correct Answer: B) By providing e-governance services and managing departmental websites
50. What are some common uses of computers in homes?
Correct Answer: B) For education, gaming, managing accounts, and controlling home appliances
51. Which of the following fields uses computers for tasks like stock trading and online banking?
Correct Answer: B) Banking and Finance
52. How are computers integrated into everyday household appliances?
Correct Answer: B) By controlling functions in home theatre systems, food processors, and washing machines
53. In what capacity are computers used in law enforcement?
Correct Answer: B) By performing criminal searches and fingerprint matching
54. Which of the following is a significant application of computers in weather forecasting?
Correct Answer: B) Complex data analysis and prediction modeling
55. What role do computers play in the field of publishing?
Correct Answer: B) By facilitating online publishing and managing digital content

1.1.6 - Capabilities and Limitations of Computers.


56. What does the term "Speed" refer to in the context of computer capabilities?
Correct Answer: A) The time a computer system takes to execute a task
57. Which standard is used to classify computers based on their speed?
Correct Answer: B) Million Instructions per Second (MIPS)
58. What is a key factor contributing to the accuracy of computer calculations?
Correct Answer: C) The precision in calculations and task performance
59. What is one way computer systems ensure reliability in highly automated industries?
Correct Answer: B) By implementing backup facilities
60. How does a computer’s storage capability benefit organizations?
Correct Answer: B) By allowing immediate data access and retaining large amounts of data
61. What is a significant limitation of computers regarding common sense?
Correct Answer: B) They lack the ability to reason and make nuanced judgments
62. Why do computers have a "zero IQ"?
Correct Answer: A) They cannot perceive or autonomously deduce actions without programming
63. What is a notable limitation in decision-making for computer systems?
Correct Answer: A) They can follow predetermined procedures but lack nuanced decision-making abilities
64. Which of the following is NOT a capability of computers?
Correct Answer: C) Common Sense
65. What is one factor that can cause errors in Computer-Based Information Systems (CBIS)?
Correct Answer: B) Poor programming and erroneous data
66. How do computers exhibit accuracy in their operations?
Correct Answer: C) By detecting and correcting errors autonomously
67. Which of the following is a limitation of computer storage?
Correct Answer: D) Limited capacity for data retention

1.1.7 - Components of Computer System.


68. What are the four integral components of a computer system?
Correct Answer: A) Hardware, Software, Data, Users
69. What does the term "Hardware" refer to in a computer system?
Correct Answer: B) The physical components of the computer
70. Which part of the CPU is responsible for executing arithmetic operations?
Correct Answer: B) Arithmetic Logic Unit (ALU)
71. What is the primary function of the Control Unit (CU) in the CPU?
Correct Answer: C) To retrieve and decode instructions from memory
72. What is the primary role of system software?
Correct Answer: A) To manage the computer hardware and interact with application software
73. Which type of software includes spreadsheets, word processors, and presentation programs?
Correct Answer: B) Application software
74. How is data presented in a computer system?
Correct Answer: C) In both quantitative and qualitative forms
75. What unit of information is represented by 8 bits in a computer system?
Correct Answer: A) Byte
76. Who are considered as "users" of computer systems?
Correct Answer: C) Both the individuals who use computer systems and those who design them
77. What concept describes the process of accepting data, processing it, generating output, and storing data?
Correct Answer: A) Input-Process-Output
78. What does the "Input" stage of the Input-Process-Output concept involve?
Correct Answer: C) Receiving data from the user via input devices
79. Which part of the computer system is responsible for transforming user-provided data into a format understandable by the computer?
Correct Answer: C) Input Unit
80. What does the "Memory Unit" in a computer system do?
Correct Answer: B) It temporarily stores data, instructions, and intermediate results
81. Which of the following is NOT a primary part of computer hardware?
Correct Answer: D) System Software
82. What type of data is expressed numerically?
Correct Answer: B) Quantitative Data
83. What does the "Output" stage of the Input-Process-Output concept involve?
Correct Answer: C) Displaying the processed data to the user
84. What is the main role of the "Output Unit" in computer hardware?
Correct Answer: C) To present processed data in an understandable format

1.1.8 - CPU Control Unit and ALU.


1: What is the main focus of computer architecture?
Correct Answer: B) Fundamental properties and connectivity of hardware components
2: What does computer organization primarily deal with?
Correct Answer: C) Arrangement and design of hardware components
3: Which of the following factors does NOT typically influence computer organization?
Correct Answer: D) User preferences
4: What is the primary role of the CPU in a computer system?
Correct Answer: B) Processing data and managing system components
5: Which of the following is NOT a phase of the CPU cycle?
Correct Answer: C) Transmitting
6: What does the Control Unit (CU) of the CPU do?
Correct Answer: C) Regulates data flow and manages execution order
7: What kind of operations does the Arithmetic Unit (AU) perform?
Correct Answer: C) Arithmetic operations like addition and subtraction
8: Which operations are typically handled by the Logic Unit (LU)?
Correct Answer: C) Logical operations like comparison and shifting
9: What type of memory is described as "volatile" and only stores data temporarily?
Correct Answer: B) RAM
10: Which of the following is the fastest and smallest type of cache memory?
Correct Answer: C) Primary Cache (L1)
11: What is the role of the Programme Counter (PC) register?
Correct Answer: B) Keeping track of the next instruction to execute
12: What kind of communication is used between the processor and I/O devices?
Correct Answer: B) Interface unit-based communication
13: Which register is used to hold the address of the next memory location to access?
Correct Answer: D) Memory Address Register (MAR)
14: How does the CPU communicate with memory to read data?
Correct Answer: A) Using the address bus to load the address into MAR and sending a READ signal
15: What happens during the I/O write operation?
Correct Answer: C) CPU writes data to an output device through the data register
16: What is the role of the interface unit in processor and I/O device communication?
Correct Answer: C) It translates CPU control commands for device controllers
17: What does the status register's flag bit indicate in I/O operations?
Correct Answer: B) The availability of data in the data register
18: Which component acts as a bridge between the processor and the peripheral device controllers?
Correct Answer: C) Interface unit
19: Where is the primary cache (L1 cache) located in a computer system?
Correct Answer: B) Inside the CPU
20: Which of the following is slower but larger than the primary cache?
Correct Answer: B) Secondary Cache (L2 Cache)

1.1.9 - I/O Devices.


1: Which unit is responsible for providing data to the computer for processing?
Correct Answer: B) Input unit
2: What is the role of the output unit in a computer system?
Correct Answer: A) To receive and send processed data to output devices
3: Which of the following is NOT considered an input device?
Correct Answer: C) Printer
4: What does the input interface of an input device do?
Correct Answer: B) Converts input data into a format that the computer can understand
5: Which device is used to input drawings and sketches into a computer?
Correct Answer: C) Digitising tablet
6: Which device uses LED and sensors to detect movement?
Correct Answer: C) Optical mouse
7: What is the primary use of a joystick in computing?
Correct Answer: D) To regulate the speed of the cursor in video games
8: Which of the following devices is used for optical scanning of text and images?
Correct Answer: C) Scanner
9: What function does the trackball serve in relation to computer input?
Correct Answer: A) It replaces a mouse and controls the pointer on the screen
10: Which input device converts pen movements on its surface into digital signals?
Correct Answer: C) Digitising tablet
11: What is the primary function of a light pen?
Correct Answer: B) Selecting objects on the screen
12: How does a touch screen register input?
Correct Answer: C) By interrupting an infrared beam
13: What type of device is a microphone classified as?
Correct Answer: C) Audio input device
14: Which device is commonly used for scanning documents into a digital format?
Correct Answer: B) Scanner
15: What is the purpose of Optical Character Recognition (OCR)?
Correct Answer: A) To convert printed text into digital text
16: Which technology is used to read magnetic ink characters on cheques?
Correct Answer: B) MICR
17: What does Optical Mark Recognition (OMR) primarily scan for?
Correct Answer: C) Marks on paper
18: Which device is used to capture video footage for a computer?
Correct Answer: C) Webcam
19: What type of device is commonly used in supermarkets to scan product labels?
Correct Answer: C) Barcode reader
20: Which device uses light to create a digital image of a physical document?
Correct Answer: C) Scanner
21: Which device is used to produce physical printouts of data from a computer?
Correct Answer: B) Printer
22: What is the main advantage of laser printers over dot matrix printers?
Correct Answer: B) Higher resolution and faster printing speed
23: Which type of printer uses ink droplets sprayed onto paper?
Correct Answer: C) Inkjet printer
24: What type of plotter uses pens that move horizontally while the paper rotates?
Correct Answer: B) Drum plotter
25: Which device is used for projecting computer information onto a large screen for presentations?
Correct Answer: B) Projector
26: What is the primary function of a microfilm?
Correct Answer: C) To store data in a compact, durable format
27: Which output device is used to produce audio output from a computer?
Correct Answer: C) Speaker
28: Which type of monitor displays text and graphics using 256 colors simultaneously?
Correct Answer: D) VGA monitor
29: What technology does an LCD monitor use?
Correct Answer: C) Liquid Crystal Display
30: Which type of terminal has inherent capabilities for both processing and storing data?
Correct Answer: C) Intelligent terminal

1.1.10 - Memory Unit: RAM, ROM, EPROM AND PROM.

31: What are the two primary types of memory in a computer?
Correct Answer: B) RAM and ROM
32: Which type of memory is used for long-term retention of data and programs?
Correct Answer: C) Secondary memory
33: What is the role of cache memory in a computer?
Correct Answer: B) To speed up data access between the CPU and RAM
34: Where is cache memory typically located?
Correct Answer: B) On the motherboard, between the CPU and RAM
35: Which levels of cache memory are commonly integrated within a CPU?
Correct Answer: C) L1, L2, and sometimes L3
36: What is the size range typically associated with cache memory in modern computers?
Correct Answer: B) 256 KB to 2 MB
37: Which of the following statements about RAM is true?
Correct Answer: C) RAM is volatile and loses data when power is off
38: What is the primary purpose of ROM in a computer system?
Correct Answer: C) To store firmware and boot-up instructions
39: Which type of ROM can be erased by exposing it to ultraviolet light?
Correct Answer: B) EPROM
40: How does EEPROM differ from traditional ROM?
Correct Answer: A) EEPROM can be rewritten electronically without removal from the computer
41: Which type of RAM requires constant refreshing to retain data?
Correct Answer: B) DRAM
42: Which RAM type is typically used in cache memory due to its speed?
Correct Answer: B) SRAM
43: What is flash memory primarily used for in modern electronic devices?
Correct Answer: C) For fast, non-volatile data storage in portable devices
44: What is the purpose of the Power On Self Test (POST) stored in ROM?
Correct Answer: B) To verify hardware components are functioning properly
45: Which of the following memory types is best suited for high-speed, frequently accessed data?
Correct Answer: B) Cache memory

1.1.11 - Flash Memory and Other Types of Memory.


46: What is Flash memory primarily used for?
Correct Answer: B) Persistent storage that retains data without power
47: Flash memory is a type of:
Correct Answer: C) EEPROM
48: Which of the following statements is true about NOR Flash memory?
Correct Answer: B) It is faster for random data access than NAND Flash.
49: Which of the following is a key feature of NAND Flash memory?
Correct Answer: B) Efficient for large data storage
50: The names 'NOR' and 'NAND' in Flash memory are derived from:
Correct Answer: B) The way memory cells are connected, resembling NOR or NAND logic gates
51: Flash memory is commonly used in which of the following devices?
Correct Answer: B) SSDs and USB drives
52: Which communication protocols are commonly used with Flash memory devices?
Correct Answer: B) I2C and SPI
53: What is the main advantage of SSDs over HDDs?
Correct Answer: C) SSDs offer faster data access and transfer speeds.
54: Which type of Flash memory is used for code storage and execution?
Correct Answer: B) NOR Flash
55: Which optical disc type can be rewritten multiple times?
Correct Answer: C) CD-RW
56: Which type of memory loses its data when the power is turned off?
Correct Answer: C) RAM
57: How much data can a single-layer DVD-ROM typically store?
Correct Answer: B) 4.7 GB
58: Which storage device uses magnetic discs for data storage?
Correct Answer: C) HDD
59: The BIOS chip on a computer's motherboard is an example of:
Correct Answer: B) Flash memory
60: Which of the following is true about optical discs compared to magnetic discs?
Correct Answer: B) Optical discs use laser technology for reading data.
61: What is the primary use of CD-ROM?
Correct Answer: B) Read-only storage for software and data distribution
62: Which of the following is a characteristic of Magneto-Optical Discs?
Correct Answer: B) They are obsolete and have been replaced by CD-RW and DVD-R.
63: Which type of storage device is known for its high storage capacity and use in centralised databases?
Correct Answer: C) Mainframe computers
64: What is the main characteristic of fifth-generation computers?
Correct Answer: C) Ability to learn and self-organize
65: In which generation of computers were transistors first introduced?
Correct Answer: B) Second generation
66: Which technology is used in the construction of third-generation computers?
Correct Answer: C) Integrated Circuits (ICs)
67: What does EEPROM stand for?
Correct Answer: A) Electrically Erasable Programmable Read-Only Memory
68: What is the primary use of Cache memory?
Correct Answer: B) Enhancing processing speed by storing frequently accessed data
69: Which memory type is primarily used for temporary storage during processing?
Correct Answer: C) RAM
70: Which of the following statements about SSDs is true?
Correct Answer: C) SSDs have no moving parts and use Flash memory.