1.Which of the following are examples of analog computer?
[A] Resistance of a Capacitor
[B] Signal Frequency
[C] Voltage
[D] All of the above
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Explanation: Examples of analog computer include temperature, pressure, telephone lines, signal frequency, resistance of a capacitor, voltage etc. ©navclasses
2.What is the full form of CPU?
[A] Central Processing Unit
[B] Central Primary Unit
[C] Control Primary Unit
[D] Control Processing Unit
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Explanation: The control unit and ALU usually are referred to as a processor, or central processing unit (CPU). The operational speed of the CPU primarily determines the speed of the computer as a whole. ©navclasses
3.Which of the following is used for 3D positioning and modeling, animation and other application?
[A] Space ball
[B] Trackball
[C] Spac ball
[D] All of the mentioned
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Explanation: Space ball is a 3D positioning device. Space ball is used as a graphical input device to enter any graphical data or information. Spaceball is based on fixed spherical ball. ©navclasses
4.Which of the following is the device that is constructed with the series of sensors that detects hand and finger motion?
[A] Digitizers
[B] Data glove
[C] Joystick
[D] Track ball
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Explanation: Data glove senses, detects hand and finger motion. It is an interactive device, resembling a glove worn on the hand. It also often contains a motion tracker. ©navclasses
5.When a person turn on your computer, which of the following computer memory is the first to activate?
[A] RAM
[B] ROM
[C] BIOS
[D] All of the Above
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Explanation: BIOS instructions set up the computer and boot the operating system. The BIOS’s primary function is to handle the system setup process including driver loading and operating system booting. ©navclasses
6.Which of the following is the another name for Secondary Memory?
[A] Auxiliary Memory
[B] Virtual memory
[C] Main memory
[D] Internal Storage
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Explanation: Auxiliary memory, also known as Secondary memory or External memory, is a non-volatile memory. Secondary Memory isn’t directly accessible to the CPU like primary storage. ©navclasses
7.Which of the following is the another name for the error or bug in software or hardware?
[A] Leech
[B] Squid
[C] Slug
[D] Glitch
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Explanation: A glitch is a short-lived fault in a system. Computer glitches are often only a temporary disruption. The most common causes are errors within the operating system and defects in a piece of software. ©navclasses
8.Which of the following is responsible for the fixed disk error?
[A] Slow RAM
[B] Slow Processor
[C] Incorrect CMOS settings
[D] None of the Above
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Explanation: CMOS is the term usually used to describe the small amount of memory on a computer motherboard that stores the BIOS settings. ©navclasses
9.What is the meaning of SMART commands in a system maintainence?
[A] Self-Monitoring, Analysis and Reporting Technology Commands
[B] Software Management Analysis Reporting Technology Commands
[C] Specific Measurable Attainable Realistic Technology Commands
[D] None of the Above
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Explanation: Modern hard drives have Self-Monitoring, Analysis and Reporting Technology (SMART) commands that provide information about internal error conditions, e.g., spin retry counts, bad sector counts, etc. ©navclasses
10.Which of the following defines the term computer maintainence properly?
[A] It means changing your system frequently.
[B] It means changing parts of system regularly.
[C] It is the practice of keeping computers in a good state of repair.
[D] It means changing system fan regularly.
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Explanation: Computer maintenance is the practice of keeping computers in a good state of repair. A computer containing accumulated dust and debris may not run properly. ©navclasses
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