1. WWW stands for ?
Explanation : WWW. Stands for "World Wide Web." It is important to know that this is not a synonym for the Internet. The World Wide Web, or just "the Web," as ordinary people call it, is a subset of the Internet.
2. What device is used for entering x – y co-ordinates?
Explanation : Joysticks are similar to mice in that they transmit X-Y hand coordinates to the computer to position a cursor on the screen. A joystick is connected to a yoke that pivots freely in all directions. Sensors detect movement and generate corresponding electric currents that are interpreted by a microcontroller as movement of the cursor.
3. What is the full form of ADSL?
Explanation : Asymmetric digital subscriber line (ADSL) is a type of digital subscriber line (DSL) technology, a data communications technology that enables faster data transmission over copper telephone lines than a conventional voiceband modem can provide.
4. Where is the RAM located on a computer?
Explanation : RAM is located in The central processing unit (CPU), also called a processor, is located inside the computer case on the motherboard. It is sometimes called the brain of the computer, and its job is to carry out commands. "
5. Which of the following is not true of punched cards as data entry media?
Explanation : If a computer has more than 1 processor then its called a multiprocessor.
6. Direct Access Storage Device is also referred as ?
Explanation : A direct-access storage device (DASD) is another name for secondary storage devices that store data in discrete locations with a unique address, such as hard disk drives, optical drives and most magnetic storage devices.
7.Advantage of magnetic input media is
Explanation : The biggest advantage of magnetic disk storage over main memory is persistence of data. The RAM chips that house your main memory contain huge numbers of tiny electric switches, each storing a bit of information. When the power goes off, all of that information disappears forever.
8. What is the name of the digital circuit that performs arithmetic and logical operations in computers?
Explanation : An arithmetic logic unit (ALU) is a digital circuit used to perform arithmetic and logic operations. It represents the fundamental building block of the central processing unit (CPU) of a computer. Modern CPUs contain very powerful and complex ALUs. In addition to ALUs, modern CPUs contain a control unit (CU). "
9. Which of the following device is used only in LAN (Local Area Network)?
Explanation : Most residential LANs use a single router to create the network and manage all the connected devices. The router acts as the central connection point and enables devices, such as computers, tablets, and smartphones to communicate with each other.
10. A direct entry input device?
Explanation : Optical scanner,Mouse,Light pen and Digitizer is considered a direct entry input device.
