Information Technology (IT) MCQs - Computer Practice | PakExamPoint
Practise Information Technology (IT) MCQs in Computer. Attempt multiple-choice questions, check answers and revise related subtopics.
Information Technology (IT) MCQs and revision practice
Study Information Technology (IT) through multiple-choice questions in Computer. This subtopic contains 2241 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
Use these Information Technology (IT) MCQs to identify the facts, rules or methods you need to revise. Where an explanation is available, work through it and write down why your chosen option was correct or incorrect. Revisit difficult questions after reviewing your notes, then use exam mode for timed practice.
ایک لینس کے ساتھ بننے والی ایک تصویر جسے اسکرین پر پیش کیا جا سکتا ہے اسے کیا کہا جاتا ہے۔
A. Fake Image
B. Real Image
C. Virtual image
D. Imaginary Image
Check answer and explanation
Answer: Real Image
Explanation The image in which light rays from one point on the object actually cross at the location of the image and can be projected onto a screen, a piece of film, or the retina of an eye is called a real image
Explanation Fiber optic technology uses cables made of thin strands of glass or plastic fibers to transmit data as light signals. It providing high-speed and high-capacity communication.
Explanation A firewall monitors and controls incoming and outgoing network traffic based on security rules. It helps prevent unauthorized access to or from a private network.
Explanation Relational databases use structured tables and SQL. This making them distinct from NoSQL databases. NoSQL types include Key-Value, Document, Column, and Graph databases.
A. Is retained even after the computer is shut down
B. Permanently stores instructions
C. Is controlled by the storage unit
D. a) Temporarily stores data or programs
Check answer and explanation
Answer: Is retained even after the computer is shut down
Explanation RAM, or Random Access Memory , is a type of computer memory that is used to store data or programs that the CPU is currently using. It's a temporary storage space that is cleared when the computer is turned off.
Explanation Modern computers often work on hybrid technology. This term refers to combining different technologies to improve f unctionality, efficiency, and versatility.
مندرجہ ذیل میں سے کون سا آئٹم عام طور پر مقامی ایریا نیٹ ورک میں نہیں ہوتا ہے؟
A. Modem
B. Interface card
C. Computer modem
D. Cable
Check answer and explanation
Answer: Modem
Explanation A local area network is a group of computers and associated devices that share a common communications line or wireless link to a server. Modem is a combined device for modulation and demodulation . For example, between the digital data of a computer and the analogue signal of a phone line .
Explanation Keyboard is an input device. Keyboard is similar to electric typewriter. Keyboard uses serial port to connect with computer. Keys on keyboard are of mainly three types: Alphanumeric keys: letters and numbers Punctuation keys: comma, period, semicolon, etc. Special keys: function keys, arrow keys, caps lock key, etc. Keyboard inventor: Christopher Latham Smallest key on keyboard: Space key
Explanation Software bug : an error , flaw or fault in computer software that causes it to produce an incorrect or unexpected result. ********* FIA VU CONSTABLE PAST PAPER 2021
اسکرین کی تصویر کو کلپ بورڈ پر کاپی کرنے کے لیے کیا استعمال کرسکتےھیں۔
A. Shift key
B. Alt key
C. Print screen key
D. Both
Check answer and explanation
Answer: Print screen key
Explanation Pressin g PRINT SCREEN captures an image of your entire screen and copies it to the Clipboard in your computer's memory . You can then paste ( CTRL+V) the image into a document, email message, or another file. **
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