Computer — All MCQs
4795 questions available
Q4321.An instant, real-time interbank money transfer service through mobile phones is called?
Correct Answer: B
IMPS (Immediate Payment Service) is a 24/7 electronic fund transfer system that facilitates real-time interbank transactions via mobile devices.
Q4322.What is meant by distributed data entry?
Correct Answer: C
Distributed data entry refers to a decentralized process where data is entered from multiple geographical sites or by multiple operators, rather than from a single central office.
Q4323.What computing technology do current high-performance computers typically operate on?
Correct Answer: B
Modern computing environments often use hybrid technology, blending digital processors with analog or specialized coprocessors for advanced tasks.
Q4324.Which of the following is associated with webpages and web addresses?
Correct Answer: C
Webpages are created using web development software (HTML/CSS), and search engines index their web addresses (URLs) to display them in search queries.
Q4325.Which parts of a computer system are utilized to transfer data from one place to another?
Correct Answer: C
Data transfer is a cooperative process. It requires physical hardware (buses, cables, ports) and software components (drivers, protocols, operating systems).
Q4326.In relational databases, a Query can be used to select data from which of the following?
Correct Answer: C
A query can retrieve data from a single database table or merge and select records from multiple tables simultaneously using JOIN clauses.
Q4327.Which Middle Eastern ride-hailing taxi service suffered a major data breach in 2018 affecting 14 million clients?
Correct Answer: C
In January 2018 (publicly disclosed in April 2018), ride-hailing platform Careem suffered a massive data breach that compromised the personal records of 14 million users.
Q4328.What is the storage capacity of a standard double-sided, single-layer DVD?
Correct Answer: C
A standard double-sided, single-layer DVD can store up to 9.4 Gigabytes (GB) of data. A single-sided, single-layer DVD holds 4.7 GB.
Q4329.In Microsoft Excel, what is the horizontal spacing of a column called?
Correct Answer: C
In Excel, column spacing is adjusted and defined as 'Column Width', which can be resized to accommodate the length of cell values.
Q4330.Which of the following file extensions represents a compressed version of one or more files?
Correct Answer: D
The .zip file extension represents a compressed, archived file. It combines one or more files and folders into a single, smaller file using lossless compression.
Q4331.What is the purpose of a buffer in a computer system?
Correct Answer: A
A buffer is a temporary physical storage holding area. It balances the different processing speeds of the CPU and connected peripheral devices.
Q4332.Which is a high-speed point-to-point interface on a motherboard used to attach a graphics card, assisting in 3D graphics rendering?
Correct Answer: A
AGP (Accelerated Graphics Port) is a high-speed, dedicated point-to-point channel on the motherboard designed to connect graphics cards for 3D computer graphics acceleration.
Q4333.Which program is used to translate high-level programming code into low-level machine language before execution?
Correct Answer: B
A compiler translates an entire source program written in a high-level programming language (e.g., C, C++) into binary-coded low-level machine code.
Q4334.Integrated Circuits (ICs) served as the foundational technology of which generation of computers?
Correct Answer: D
Third-generation computers (1964-1971) replaced discrete transistors with Integrated Circuits (ICs), which combined numerous tiny transistors on a small silicon chip.
Q4335.In most graphic and word processing applications, the thickness of a line or border is adjusted in which setting?
Correct Answer: B
To change the thickness of a line or outline, select the object, navigate to the formatting ribbon, and choose the 'Shape Style' (or Outline/Weight) options.
Q4336.Which shortcut key is used in Microsoft Office applications (such as Word and Excel) to update selected dynamic fields?
Correct Answer: A
Pressing the F9 key updates and recalculates selected dynamic fields in Microsoft Word (like index entries or bibliographies) and Excel (like formulas).
Q4337.Which of the following application programs is NOT part of the standard Microsoft Office Suite?
Correct Answer: A
Standard modern MS Office packages include applications like Word, Excel, PowerPoint, Access, and Outlook. MS Photo Editor is a legacy utility and not standard.
Q4338.Which language is primarily used internally by digital computers to process and execute instructions?
Correct Answer: B
Digital computers internally process data and instructions using Binary Language (composed of 0s and 1s), which represents the electrical 'on/off' states of transistors.
Q4339.Which of the following is a relational database management application?
Correct Answer: A
Microsoft Access is a Database Application that provides a relational database engine and tools to create tables, queries, forms, and reports.
Q4340.Which software application is used to access 'www' (the World Wide Web)?
Correct Answer: C
A Web Browser (such as Google Chrome, Firefox, or Safari) is the client software application needed to request and view resources on the World Wide Web.