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HPSSC - Junior Office Assistant Most important computer questions

 HPSSC- important computer questions for various examination Most important questions for various JOA (Junior Office Assistant) exams     Q-1) Which of the following is not a type of RAM ?  i) DRAM   ii) SRAM iii)SSD iv)SDRAM Ans. SSD Q-2)  Which of the following is the smallest and largest unit of memory? i) Nibble, PB ii) Byte,TB iii)KB,GB iv)byte,MB Ans. Nibble,PB Q-3) Super computer is a type of which of the following: i) Analog Computer ii) Digital Computer iii) Hybrid Computer iv) None of these Ans. Digital Computer Q-4) A microprocessor is a ................... where a large number of circuit elements  are integrated. i) electronic board ii) chip iii) mother board iv) none of these   Ans. Chip   Q-5) The speed of a CPU is determined by the number of .................. executed by it per second. i) megahertz ii) rules iii) instructions iv) processes   Ans. instructions Q-6) The speed of CPU is measured in i) MB ii) T...
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hpssc joa exam preparation (Joa It mcq pdf)

  HPSSC JOA - IT (939) Exam Preparation mcq questions for practice.            Q-1) Out of following, whom do you think is the most probable user of Light Pen? i) Computer Programmer ii) Graphic Designer iii) Journalist iv) computer Scientist       Ans. Graphic Designer       Q-2) Name the type of mouse which uses laser technology to detect the motion of the ball. i) Optical Mouse ii) Mechanical Mouse iii) Opto Mechanical Mouse iv) All of these          Ans. Optical Mouse       Q-3) Which is a vector based graphical printing device? i) Printers ii) Plotters iii) Scanners iv) Light Pen       Ans. Plotters       Q-4) Which type of plotter is used to produce continuous output such as plotting earthquake activity? i) Drum Plotter ii) Flatbed plotter iii) Disk platters iv) None of these       Ans. Drum Plotters     Q-5) The diameter ...
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Input and Output Devices

  Input Devices Input refers to the data or instructions which we feed  into a computer. Input devices are used to enrer data and information into a computer. The input unit converts the incoming data and instructions into a pattern of binary codes which is understood by a computer. Then it further supplies data to the processor for processing. Some of the input devices are: 1. Keyboard:  Keyboard is the one of the most important devices used to input data and instructions into a computer. The standard computer  keyboards  typically contain 101  keys. There are mainly five types of keys on a keyboard: types of keys Keyboard 2. Mouse: Mouse is the most commonly used input and pointing device that lets you select  and move items on the screen. The left mouse button is used  more, frequently than the right button. A single left  click selects an item while double-clicking on an item activates the application. The right-click  often displays...
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