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What is a Computer| From gettecnoguide

Basic Of Computer Knowledge  In this blog, we can learn the basic knowledge of computers for beginners. First of all the first question arises in our mind that What is a Computer with a definition: A computer is an electronic machine that can perform a variety of tasks such as mathematical and logical calculation, writing letters, drawing pictures, listening to music, watching movies, playing games, sending and getting information on the Internet, keeping records, doing calculations, controlling the robot, launching rockets and so on. The computer can perform a variety of tasks according to a set of instructions given to it at high speed. The computer can quickly store, retrieve, and process the data.  The set of instructions given to the computer in a programming language is known as a computer program. A computer processes the data according to the program instructions and produces meaningful information called result or output.  The set of programs that instructs the c...

Set 4- Information Technology General Knowledge Questions and Answers

  Information technology general knowledge questions and answers  give you more detailed knowledge of  computer science.   PART- FOUR QUESTION Which input device is mainly used to play computerized games? A. Mouse B. Touchpad C. Joystick D. Track Ball Answer: C The joystick consists of one or more pushbutton through which we can play and control computer games. QUESTION Which memory requires period refreshing? A. SRAM B. EPROM C. DRAM D. PROM Answer: C QUESTION You install two new SCSI Hard drives in a server. When  you boot the server, the drives are not recognized correctly.  What is the possible problem of MOST with the SCSI drive connection? A: The computer BIOS is not set to boot SCSI devices. B: The SCSI cable is faulty. C: One of the drives is defective. D: The SCSI ID is incorrectly set. Answer: D QUESTION A customer complains that his PC boots and runs fine for a short time. Then it starts exhibiting various...

Set 3- Information Technology General Knowledge Questions and Answers

  Information technology general knowledge questions and answers  give you more detailed knowledge of  computer science.   PART- THREE QUESTION Which device is used to enter data on the computer? A. Output device B. Processing device C. Input device D. Storage device Answer: C Explanation:  Input devices such as the mouse, joystick, keyboard, etc. were used to insert data into the computer. QUESTION Which device is used to stores data and programs? A. Processing device B. Output device C. Storage device D. Input device Answer: C QUESTION Which of  the following source present a risk factor for virus infection on a PC? (Choose two) A. Floppy disk/ pen drive received from a friend. B. A downloaded file from the internet. C. FDISK/MBR file on the hard drive. D. A .DLL file that was loaded with a new machine. E. The CAB file that was loaded with the new machine. Answer: A, B Explanation: Floppy disks/ pen drive and downloa...