Computers and IT MCQs
Computer Awareness Questions and Quiz for Banking, IBPS, RRB, RBI, SBI, NABARD examinations of 2024-2025. Computer Awareness MCQs for Competitive Exams. GKToday Computer Awareness for IBPS PO, IBPS Clerk, Bank PO, Bank Clerk and other entrance / competitive examinations.
1. Which Microsoft-based technology was built to link desktop applications to the World Wide Web?
[A] Active Channel
[B] Active Desktop
[C] ActiveX
[D] None of the above
Show Answer
Correct Answer: C [ActiveX ]
Notes:
ActiveX is a software framework created by Microsoft that adapts its earlier Component Object Model (COM) and Object Linking and Embedding (OLE) technologies for content downloaded from a network, particularly from the World Wide Web. It is used till IE11 but not Microsoft Edge.
2. What is the name of the digital circuit that performs arithmetic and logical operations in computers?
[A] Arithmetic Logic Unit
[B] Digital comparator
[C] Multiplexer
[D] None of these
Show Answer
Correct Answer: A [Arithmetic Logic Unit ]
Notes:
An arithmetic-logic unit (ALU) is the part of the circuit that performs Arithmetic nad logical operations. It is the part of a computer processor (CPU). In some processors, the ALU is divided into two units, an arithmetic unit (AU) and a logic unit (LU).
3. Which among the following key is used for checking grammar and spelling?
[A] F3
[B] F5
[C] F7
[D] F9
Show Answer
Correct Answer: C [F7]
Notes:
F7 is the key to check grammar and spellings in a document. Ribbon at start also can be used to check spellings.
4. One kilobyte has _____?
[A] 1000 bytes
[B] 128 bytes
[C] 1024 bytes
[D] 1036 bytes
Show Answer
Correct Answer: C [1024 bytes]
Notes:
The kilobyte is equal to 1024 bytes (210 B), a common usage. The usage of the metric prefix kilo for binary multiples rose convenient, because 1024 is approximately 1000.
5. Which of the following blogging platform was first launched by Pyra Labs?
[A] WordPress
[B] Blogger
[C] Typepad
[D] Twitter
Show Answer
Correct Answer: B [Blogger]
Notes:
Blogger is the platform founded by Pyra Labs in 1999. Google acquired it in 2003. WordPress is a free and open-source content management system by wordpress foundation. Twitter is an American microblogging and social networking service founded in 2006.
6. Which of the following comprise the hardware components of the computer?
[A] Printer
[B] Keyboard
[C] Mouse
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
The components of the computer which we can see and touch are called the hardware components of the computer. They include devices like keyboard, mouse, printer etc.
7. Which of the following is the correct sequence of stages of data processing in a computer?
[A] Data Collection- Input Raw Data- Processing of Data-Information- Output
[B] Data Collection-Input Information-Processing of Data- Output
[C] Data Collection- Data Processing- Information-Data Output
[D] Data Input-Data Processing-Data Collection-Information-Output
Show Answer
Correct Answer: A [Data Collection- Input Raw Data- Processing of Data-Information- Output]
Notes:
The correct sequence of stages of data processing is Data Collection-Input Raw Data-Processing of Data-Information-Output
8. What was the special feature of the Apple Lisa computer launched in 1983?
[A] Windows XP
[B] GUI Desktop
[C] DOS
[D] Front Panel with Red Lights
Show Answer
Correct Answer: B [GUI Desktop]
Notes:
Steve Jobs launched the Apple Lisa in 1983 which was the first widely available computer with a GUI desktop. It was Jobs own version of the Alto project.
9. EDVAC was one of the earliest electronic computers. What is its full form?
[A] Electronic Diverse Variable Automatic Computer
[B] Electronic Digital Variable Automatic Computer
[C] Electronic Data Variable Automatic Computer
[D] Electronic Discrete Variable Automatic Computer
Show Answer
Correct Answer: D [Electronic Discrete Variable Automatic Computer]
Notes:
EDVAC or Electronic Discrete Variable Automatic Computer was one of the earliest electronic computers. It was binary and a stored-program computer.
10. Where are the instructions which are used to run a digital computer stored?
[A] Motherboard
[B] Hard Disk
[C] Memory
[D] All of the above
Show Answer
Correct Answer: C [Memory]
Notes:
The digital computer works by counting, comparing and manipulating various digits and their combinations as per the instructions which are stored in the memory.