Computer Fundamentals: Understanding Hardware, Software, Networks, and More
A computer is a machine that uses electronics to input, process, store, and output data. Data is information such as numbers, words, and lists. Input of data means to read information from a keyboard, a storage device like a hard drive, or a sensor. The computer processes or changes the data by following the instructions in software programs. A computer program is a list of instructions the computer has to perform. Programs usually perform mathematical calculations, modify data, or move it around. The data is then saved on a storage device, shown on a display, or sent to another computer. Computers can be connected together to form a network such as the internet, allowing the computers to communicate with each other.
Que 1: Octal equivalent of hexadecimal code F3A1 is :
[A] 158661
[B] 171641
[C] 176541
[D] 173101
Show Answer
Correct Answer :[C] 176541
Que 2: Who improve the adding machine?
[A] Gottfried Leibnitz
[B] Blaise Pascal
[C] Napier
[D] Jesus Christ
Show Answer
Correct Answer :[A] Gottfried Leibnitz
Que 3: The ……. contains Commands associated with my computer window :
[A] Start menu
[B] System menu
[C] Standard menu
[D] None of these
Show Answer
Correct Answer :[B] System menu
Que 4: The ALU performs which arithmetical operation?
[A] (+ , – , * , 1 )
[B] ( & , ll . && )
[C] ( <, >, =,> =,< >)
[D] All of these
Show Answer
Correct Answer :[A] (+ , – , * , 1 )
Que 5: An organized way of representing numbers is called?
[A] Character System
[B] Number system
[C] Integer System
[D] None of these
Show Answer
Correct Answer :[B] Number system
Que 6: Which type of software is tailor-made software?