CHF Mock Exam PDF

CHF MOCK EXAMINATION (by PI7OTOGRAM, 1-7) 1.Which of the following is considered the "brain" of the computer? a) Central Processing Unit (CPU) b) Random Access Memory (RAM) c) Power Supply Unit (PSU) d) Hard Disk Drive (HDD) 2. Which component stores the computer's operating syst...

CHF MOCK EXAMINATION (by PI7OTOGRAM, 1-7) 1.Which of the following is considered the "brain" of the computer? a) Central Processing Unit (CPU) b) Random Access Memory (RAM) c) Power Supply Unit (PSU) d) Hard Disk Drive (HDD) 2. Which component stores the computer's operating system, software programs, and user data even when the computer is turned off? a) CPU b) RAM c) GPU d) Hard Disk Drive (HDD) or Solid-State Dive (SSD) 3. What is the purpose of a motherboard in a computer? a) It provides power to the computer. b) It connects and allows communication between different computer components. c) It displays visual output on the monitor. d) It enables wireless network connectivity. 4. Which type of computer memory is non-volatile and retains its data even when the power is turned off? a) RAM b) Cache memory c) ROM d) Virtual memory 5. Which of the following is NOT a type of computer port? a) USB b) HDMI c) Wi-Fi d) Ethernet 6. Which of the following is responsible for converting digital signals to analog signals for transmission over telephone lines? a) Modem b) Router c) Switch d) Hub 7. What is the purpose of a graphics card (GPU) in a computer? a) It stores the computer's operating system. b) It processes and renders graphics for display. c) It controls the flow of data between the CPU and other components. d) It provides power to the computer's components. 8. Which type of computer memory is the fastest but also the most expensive? a) RAM b) Cache memory c) Hard Disk Drive (HDD) d) Optical Disk Drive (ODD) 9. What is the purpose of the BIOS (Basic Input/Output System) in a computer? a) It controls the computer's power supply. b) It manages the computer's memory. c) It provides the firmware for initializing hardware during the boot process. d) It executes software programs. 10. Which component is responsible for providing power to the other components in a computer? a) Motherboard b) Power Supply Unit (PSU) c) Central Processing Unit (CPU) d) Random Access Memory (RAM) 11. What type of device is used to input data into a computer? a) Monitor b) Keyboard c) Printer d) Speaker 12. What is the purpose of a power supply unit (PSU) in a computer? a) It provides power to the CPU. b) It stores data in non-volatile memory. c) It enables network connectivity. d) It converts AC power to DC power to power the computer's components. 13. Which of the following is NOT a type of computer storage device? a) Hard Disk Drive (HDD) b) Solid-State Drive (SSD) c) Random Access Memory (RAM) d) Optical Disk Drive (ODD) 14. What is the purpose of a heat sink in a computer? a) To cool the computer's components b) To store data c) To connect different components d) To display visual output 15. Which component is responsible for storing data temporarily while the computer is running? b) Solid-State Drive (SSD) a) Hard Disk Drive (HDD) c) Random Access Memory (RAM) d) Optical Disk Drive (ODD) 16. Which of the following is NOT a type of computer monitor? a) CRT b) LCD c) LED d) CPU 17. Which component is responsible for controlling the flow of data between the computer's components? a) Hard Disk Drive (HDD) b) Solid-State Drive (SSD) c) Central Processing Unit (CPU) d) Motherboard 18. What is the purpose of a UPS (Uninterruptible Power Supply) in a computer system? a) To store data in case of power failure b) To prevent damage to the computer during a power surge or outage c) To increase the computer's processing speed d) To connect to a network 19. Which of the following is NOT an example of an input device? a) Mouse b) Scanner c) Printer d) Microphone 20. What type of computer memory is used to store data that needs to be accessed quickly by the CPU? a) RAM b) ROM c) Cache memory d) Virtual memory 21. What is the purpose of a network interface card (NIC) in a computer? a) It provides power to the computer. b) It connects the computer to a network. c) It stores data in non-volatile memory. d) It displays the visual output. 22. What is the difference between a hard disk drive (HDD) and a solid-state drive (SSD)? a) HDDs are faster than SSDs. b) HDDs are more expensive than SSDs. c) HDDs use spinning disks to store data, while SSDs use memory chips. d) HDDs are more durable than SSDS. 23. Which type of computer memory in non-volatile and cannot be changed or overwritten? a) RAM b) Cache memory c) ROM d) Virtual memory 24. Which component is responsible for providing audio output in a computer? a) Graphics card (GPU) b) Sound card c) Power supply unit (PSU) d) Hard disk drive (HDD) 25. What is the purpose of a bus in a computer? a) It connects the computer to a network. b) It allows communication between different computer components. c) It stores data in a non-volatile memory. d) It displays visual output on the monitor. 26. You're a data analyst working with massive datasets and require high-speed data processing capabilities. Which CPU feature would you prioritize when selecting a processor for your workstation? A) Number of cores B) Clock Speed C) Cache Size D) Hyper-Threading 27. What distinguishes an LED monitor from a standard LCD monitor? A) LED monitors have thicker panels. B) LED monitors consume more power than LCD monitors. C) LED monitors have lower power consumption and better brightness and contrast. D) LED monitors have slower response times than LCD monitors. 28. Which of the following is NQT an example of an input device? A) Mouse B) Scanner C) Printer D) Microphone 29. Which type of computer memory is non-volatile and cannot be changed or overwritten? A) RAM B) Cache Memory C) ROM D) Virtual Memory 30. Which connector is used to connect disk drives to the motherboard? A) 20-pin or 24-pin slotted connector B) Molex keyed connector C) Berg keyed connector D) 4-pin to 8-pin auxiliary power connector (None of the above, the correct answer is SATA) 31. What type of storage device stores data as electrical charges in semiconductor flash memory and has no moving parts? A) HDD B) Tape Drive C) SSD D) SSHD 32. Is an older interface that was commonly used for connecting hard drives, disk drives, and other storage devices. A) SATA B) PATA C) M-SATA D) PCIE 33. Which type of computer memory is the fastest but also the most expensive? A) RAM B) Cache Memory C) HDD D) ODD 34. Which of the following is NOT a type of computer port? A) USB B) HDMI C) Wi-Fi D) Ethernet 35. What technology allows for high-speed connection of peripherals like hard-drives and RAID arrays? A) Thunderbolt B) USB C) SATA D) DVI 36. Which component stores the computer's operating system, software programs, and user data even when the computer is turned off? A) CPU B) RAM C) GPU D) Hard Disk Drive (HDD) or Solid-State Drive (SSD) 37. This connector is used to transmit data at a very high speed over long distances and contains strands of glass or plastic. A) BNC B) RJIT C) RJ45 D) Fiber Optic 38. What type of computer memory is used to store data that needs to be accessed quickly by the CPU? A) RAM B) ROM C) Cache Memory D) Virtual Memory 39. This is a connector that allows cables to be connected from the machine to the peripheral device. A) Plug B) Port C) Jack D) Type-C 40. This is the standard connector we use today for home/work station use case. A) BNC B) RJ11 C) RJ45 D) Fiber Optic 41. In a modern desktop system, this is a PCIE device that controls the information displayed on the monitor. A) CPU B) Sound Card C) Graphical Processing Unit D) Neural Processing Unit 42. This connector uses coaxial cables. A) BNC B) RJ45 C) RJ11 D) Fiber Optic 43. Which of the following is not a function of a computer case? A) Housing B) Ventilation C) Lighting D) EMF Elimination and Grounding 44. A customer owns a computer for their home business but wishes to set up another computer as a web server. What's the optimal solution for the customer to enable sharing of the monitor, mouse, and keyboard between the two computers. A) KVM Switch B) Access point C) USB Hub D) Network Switch 45. Which type of connector is commonly used for analog video and is sometimes referred to as the DE-15 or HD-15 connector? A) DisplayPort B) DVI C) HDMI D) VGA 46. Which type of projector typically has more lumens than DLP projectors? A) LCD B) OLED C) Plasma D) LED 47. Which of the following is mainly producing CISC CPUs? A) Intel B) ARM C) Qualcomm D) Apple 48. What distinguishes an OLED display from a LED display? A) OLED displays use LED backlighting. B) OLED displays use a layer of organic material to emit light. C) OLED displays use gas molecules to create images D) OLED displays have lower power consumption than standard LCD backlighting. 49. What type of connector is commonly used to carry video and audio signals in groups of three? A) Display Port B) VGA C) HDMI D) RCA 50. What is the difference between a hard disk drive (HDD) and a solid-state drive (SSD)? A) HDDs are faster than SSDs. B) HDDs are more expensive than SSDs. C) HDDs use spinning disks to store data, while SSDs use memory chips. D) HDDs are more durable than SSDs. 51. Which of the following adapters is used to connect an HDMI cable to a DVI port? A) DVI to VGA adapter B) HDMI to VGA converter C) USB to Ethernet converter D) DVI to HDMI adapter 52. What is the purpose of a UPS (Uninterruptible Power Supply) in a computer system? A) To store data in case of power failure B) To prevent damage to the computer during a power surge or outage C) To increase the computer's processing speed D) To connect to a network 53. Which adapter is used to connect a VGA cable to a DVI port? A) DVI to VGA adapter B) HDMI to VGA converter C) USB to Ethernet converter D) DVI to HDMI adapter 54. The dimensions of an ITX motherboard: A) 9.1" x9.1" B) 9.6" x9.6" C) 6.7" x6.7" D) 6.9" x6.9" 55. The highest frequency that WiFi 5 supports is: A) 2.4Ghz B) 1Ghz C) 5Ghz D) 6Ghz 56. Which of the following is considered the "brain" of the computer? A) Central Processing Unit (CPU) B) Random Access Memory (RAM) C) Power Supply Unit (PSU) D) Hard Disk Drive (HDD) 57. This NVMe standard was introduced in 2013. A) Gen 1 B) Gen 2 C) Gen 3 D) Gen 4 58. What type of device is used to input data into a computer? A) Monitor B) Keyboard C) Printer D) Speaker 59. Which of the following is/are the elements used to produce semi-conductors that are then used to create CPUs? A) Silicon B) Tellurium C) Carbon D) Aluminum 60. You're setting up a multimedia room at home and need to connect your high-definition TV to your computer. Which video port would be the best choice for this scenario? A) Display Port B) VGA C) HDMI D) DVI 61. Core of the system which controls all devices. A) CPU B) RAM C) Motherboard D) Instruction Set 62. What is the purpose of a power supply unit (PSU) in a computer? A) It provides power to the CPU. B) It stores data in non-volatile memory. C) It enables network connectivity. D) It converts AC power to DC power to power the computer's components. 63. Which type of computer memory is non-volatile and retains its data even when the power is turned off? A) RAM B) Cache Memory C) ROM D) Virtual Memory 64. The dimensions of an m-ATX motherboard: A) 9.1"×9.1 " B) 9.6"x9.6" C) 12" × 9.6" D) 12"x6.7 65. Which of the following is the latest desktop processors of AMD? A) Ryzen 3000 series B) Ryzen 2000 series C) Ryzen 5000 series D) Ryzen 7000 series 66. What is the purpose of the BIOS (Basic Input/Output System) in a computer? A) It controls the computer's power supply. B) It manages the computer's memory. C) It provides the firmware for initializing hardware during the boot process. D) It executes software programs. 67. Which form factor is vertically oriented case typically located on the floor under or beside a desk or table, providing room for expansion to accommodate additional components? A Horizontal Case B) Full-Size Tower C) Compact Tower D) All-in-one 68. Which of the following BIOS Setup Screen sets higher features available through the chipset? A) Advanced B) Main C) Boot D) Exit 69. What logic gate is primarily used for Solid-State Drive operation? B) NOR A) NOT C) AND D) NAND 70. Which of the following offers the best motherboard features for consumer desktops if the platform is AMD? A) A620 B) B660 C) 2670 D) X670 71.This is a circuit board that allows devices to communicate with another device in a network. A) Network Interface Card B) VGA Card C) SMART Card D) Bluetooth Card 72. Which tool is designed to safeguard computer components from the impacts of electrostatic discharge (ESD)? A) Antistatic Wrist Wrap B) Surge Suppressor C) SPS D) UPS 73. Which component is responsible for providing power to the other components in a computer? A) Motherboard B) Power Supply Unit (PSU) C) Central Processing Unit (CPU) D) Electromagnetic conversion 74. It reads and writes data and instructions to and from storage devices and performs calculations and other data processing. A) CPU C) Hard drive B) Main Memory D) Cache 75. Which of the following are mainly producing RISC CPUs? A) Intel B) AMD C) Qualcomm D) TSMC 76. This is the secondary memory used for storing large amounts of data and can persist even when there is no power to the computer. A) HDD/SSD B) DRAM C) Main Memory D) Memory Cache 77. Which of the following offers overclocking of the CPU inherently. 1) B650 II) X670 Il) B660 IV) 2790 A) I, II, III Only B) II, III, IV Only C) I, II, IV Only D). I, II, III, and IV 78. Provides the various voltage needs of a computer. A) CPU B) Power Supply Unit C) Power Regulator Unit D) Uninterrupted Power Supply 79. Macintosh is released in the year? A) 1983 B) 1984 C) 1976 D) 1977 80. This is a volatile memory that contains data which the processor is using at a given time. A) Memory B) Hard Drive C) Cache D) Register 81. This connector is used to transmit data at a very high speed over long distances and contains strands of glass or plastic. A) BNC B) RJ11 C) RJ45 D) Fiber Optic 82. Which type of port has 8 pins and connects devices to a network? A) PS/2 port B) USB port C) Thunderbolt port D) Ethernet network port 83. This controls the memory cache, power management, external buses and some peripheral devices. A) Motherboard B) Daughterboard C) Instruction Set D) Chipset 84. Which of the following is responsible for converting digital signals to analog signals for transmission over telephone lines? A) Modem B) Router C) Switch D) Hub 85. What are the two main components of a computer system? A) Input and Output B) Hardware and Software C) CPU and RAM D) Power supply and motherboard 86. What is the purpose of a heat sink in a computer? A) To cool the computers components B) To store data C) To connect different components D) To display visual output 87. What is the purpose of Hyper-Threading in CPU operations? A) To decrease CPU speed B) To enhance CPU performance C) To reduce power consumption D) To increase CPU temperature 88. What is the purpose of a motherboard in a computer? A) It provides power to the computer. B) It connects and allows communication between different computer components. C) It displays visual output on the monitor. D) If enables wireless network connectivity. 89. Which of the following is NOT a type of computer storage device? A) Hard Disk Drive (HDD) B) Solid-State Drive (SSD) C) Random Access Memory (RAM) D) Optical Disk Drive (ODD) 90. Which type of computer case is commonly found in the corporate environment and provides limited room for expansion? A) Full-Size Tower B) Compact Tower C) All-in-one D) Cube Case 91. Which component is responsible for controlling the flow of data between the computer's components? A) Hard Disk Drive (HDD) B) Solid-State Drive (SSD) C) Central Processing Unit (CPU) D) Motherboard 92. This module is needed to connect fiber optic to a NIC. A) LAN Module B) FSP C) SFP D) WAN Module 93. Which type of input device allows users to create artwork by using a pen-like stylus on the surface? A) Touchscreen B) Digital Camera C) Digitizer D) Joystick 94. When assembling a new PC, which component holds the greatest sway in choosing the case and power supply? A) hard disk type B) motherboard C) RAM module D) sound card 95. What is the purpose of a bus in a computer? A) lt connects the computer to a network. B) It allows communication between different computer components. C) It stores data in a non-volatile memory. D) It displays visual output on the monitor. 96. This is the operating voltage of DDR3. A) 1.5V B) 3.3V C) 1.2V D) 1.1V 97. What is the purpose of the voltage selector switch on a power supply? A) To convert AC power into DC power. B) To hold an electric charge for extended periods. C) To adjust the voltage supplied to the CPU D) To set the input voltage to the power supply. 98. Which of the following offers the best motherboard features for consumer desktops if the platform is Intel. A) H710 B) B650 C) X770 D) 2790 99. Which component is responsible for storing data temporarily while the computer is running? A) Hard Disk Drive (HDD) B) Solid-State Drive (SSD) C) Random Access Memory (RAM) D) Optical Disk Drive (ODD) 100. Which type of cooling system for computers requires power to operate and typically involves fans or pumps to dissipate heat? A) Passive Cooling B) CPU Throttling C) Water Cooling System D) Heat Sink