Q941
Easy
What is a light pen?
note!Answer: B) Optical input device
A light pen is an optical input device that detects light from the screen to select or draw on it.
Computer & IT
कम्प्युटर
Subjects
Computer Fundamental
कम्प्युटरको आधारभूत ज्ञान Hardware, memory, generations, number systems 716 questionsComputer Networking
कम्प्युटर नेटवर्किङ Networks, internet, protocols 216 questionsOperating System
अपरेटिङ सिस्टम Windows, Linux, files and processes 248 questionsWord Processing
वर्ड प्रोसेसिङ MS Word and documents 588 questionsElectronic Spreadsheet
इलेक्ट्रोनिक स्प्रेडसिट MS Excel, formulas, charts 416 questionsPresentation System
प्रस्तुतीकरण प्रणाली MS PowerPoint and slides 116 questionsDatabase System
डाटाबेस प्रणाली DBMS, SQL, MS Access 347 questionsWebpage Designing
वेबपेज डिजाइन HTML, CSS and the web 142 questionsAll questions
Showing 941–960 of 2,789 · Mix the order
Q942
Easy
The Second Generation Computer was based on ____.
note!Answer: C) Transistor
Second generation computers (1956–1963) used transistors instead of vacuum tubes.
Q943
Easy
The Third Generation Computer was made with ____.
note!Answer: C) IC
Third generation computers used integrated circuits (ICs).
Q944
Easy
The BIOS is the abbreviation of ____.
note!Answer: A) Basic Input Output System
BIOS stands for Basic Input Output System, the firmware that starts the computer.
Q945
Easy
What do you call a single point on a computer screen?
note!Answer: C) Pixel
A pixel (picture element) is the smallest single point on a screen.
Q946
Easy
RJ45 UTP cable has ____ Cables.
note!Answer: C) 4 pair
An RJ45 UTP cable contains four twisted pairs, i.e., eight wires.
Q947
Easy
In ____ mode, the communication channel is used in both directions at the same time?
note!Answer: A) Full-duplex
Full-duplex mode allows simultaneous transmission in both directions.
Q948
Medium
How was the generation of computer classified?
note!Answer: A) By the device used in memory & processor
Computer generations are classified by the hardware technology used in memory and processors.
Q949
Easy
Who invented Analytical engine?
note!Answer: C) Charles Babbage
Charles Babbage designed the Analytical Engine, a conceptual forerunner of the modern computer.
Q950
Easy
Through which device the main components of the computer communicate with each other?
note!Answer: B) System Bus
The system bus is the set of pathways through which the CPU, memory and I/O components communicate.
Q951
Easy
Which of the following are the two main components of the CPU?
note!Answer: C) Control unit and ALU
The CPU consists of the Control Unit and the Arithmetic Logic Unit (ALU).
Q952
Easy
Different components the motherboard of a PC unit are linked together by sets of parallel electrical conducting lines. What are these lines called?
note!Answer: B) Buses
Sets of parallel conducting lines on the motherboard that carry data between components are called buses.
Q953
Easy
The language that the computer can understand and execute is called
note!Answer: A) Machine language
Machine language consists of binary instructions that the computer hardware understands directly.
Q954
Easy
A term associated with the comparison of processing speeds of different computer system is:
note!Answer: C) MIPS
MIPS (Million Instructions Per Second) measures and compares processing speed.
Q955
Easy
Which of the following connect existing network form an internet?
note!Answer: B) Router
Routers connect separate networks together to form an internetwork (internet).
Q956
Easy
The smallest element of an array's index is called its:
note!Answer: A) Lower bound
The smallest index value of an array is its lower bound.
Q957
Easy
Games are categories in______ software
note!Answer: B) Application
Games are a type of application software, designed for user entertainment.
Q958
Easy
A dumb terminal has
note!Answer: D) A keyboard and screen
A dumb terminal has only a keyboard and screen and relies on the host computer for processing.
Q959
Medium
The number of records contained within a block of data on magnetic tape is defined by the
note!Answer: C) Blocking factor
The blocking factor is the number of records stored in one block on magnetic tape.
Q960
Easy
Which of the following memories must be refreshed many times per second?
note!Answer: B) Dynamic RAM
Dynamic RAM stores bits as charge in capacitors that leak, so it must be refreshed continuously.