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.
21. Which of the following parts of the system is most affected by the ESD problem?
[A] Mother Board
[B] Expansion Board
[C] Power Supply
[D] All of the Above
Show Answer
Correct Answer: B [Expansion Board]
Notes:
Expansion board is a printed circuit board that can be inserted into an electrical connector, or expansion slot, on a computer motherboard.
22. There is a term called ATX generally used in computer hardware configuration. Which of the following clearly indicates towards ATX?
[A] It is a motherboard configuration specification.
[B] It stands for Advanced Technology extended.
[C] Both a and b
[D] None of the Above
Show Answer
Correct Answer: C [Both a and b]
Notes:
ATX is the most common motherboard design. An ATX power supply provides a number of peripheral power connectors and two connectors for the motherboard in the modern systems.
23. SysRq (System Request) key is a feature of which of the following type of keyboards?
[A] XT Keyboard
[B] AT Keyboard
[C] Enhanced Keyboard
[D] Windows Keyboard
Show Answer
Correct Answer: B [AT Keyboard]
Notes:
System Request is a key on personal computer keyboard. It has no standard use. It was Introduced by IBM with the PC/AT. It was intended to be available as a special key to directly invoke low-level operating system functions.
24. A parser generator takes a grammar as input and automatically generates source code that can parse streams of characters using the grammar. Which of the following software tools is a parse generator?
[A] Lex
[B] Yacc
[C] Both a and b
[D] None of the Above
Show Answer
Correct Answer: B [Yacc]
Notes:
Yacc stands for “yet another compiler compiler. It is the standard parser generator for the Unix operating system. Yacc generates code for the parser in the C programming language.
25. Which of the following has the shell as an exclusive feature?
[A] DOS
[B] UNIX
[C] System Software
[D] Linux
Show Answer
Correct Answer: B [UNIX]
Notes:
Unix is a family of multitasking, multiuser computer operating systems. The main features of UNIX include multitasking and portability capabilities.
26. Which of the following is the term used to describe software that is pre-packaged by the developer of the product?
[A] On-the-shelf
[B] Pre installed
[C] Off-the-shelf
[D] Both b and c
Show Answer
Correct Answer: C [Off-the-shelf]
Notes:
Off-the-shelf is a term used to describe software or hardware that is pre-packaged by the developer of the product. For example, Microsoft Office is a Commercial off-the-shelf product that is a packaged software solution for businesses.
27. What is the full form of BASIC?
[A] Beginners All Purpose Symbolic Instruction Code
[B] Basic All Purpose Synthesis Instruction Code
[C] Beginners All Purpose Symbolic Instruction Code
[D] Beginners All Possible Symbolic Instruction Code
Show Answer
Correct Answer: A [Beginners All Purpose Symbolic Instruction Code]
Notes:
BASIC stands for Beginners All Purpose Symbolic Instruction Code. It is a family of general-purpose, high-level programming languages whose design philosophy emphasizes ease of use.
28. Which of the following DBMS is well-suited for data warehouses that have a large number of similar data items?
[A] Columnar database management system
[B] In-memory database management system
[C] RDBMS
[D] NoSQL DBMS
Show Answer
Correct Answer: A [Columnar database management system]
Notes:
CDBMS stands for Columnar database management system. It well-suited for data warehouses that have a large number of similar data items.
29. Which language is used to make changes made by the DML statement?
[A] Data Definition Language
[B] Data Control Language
[C] Transaction Control Language
[D] Structured Query Language
Show Answer
Correct Answer: C [Transaction Control Language]
Notes:
Transaction Control Language is used to run the changes made by the DML statement.(TCL) commands are used to manage transactions in the database.
30. Which of the following statements in SQL are considered as Data manipulation language?
[A] Update
[B] Insert
[C] Delete
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
In SQL, such statements as UPDATE, INSERT and DELETE are considered DML. Some people also lump the SELECT statement in the DML classification.