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Operating System Programs
Which one is a program of the operating system that carries your data?
The Loader is a program within the operating system responsible for loading executable files (programs) into memory, effectively carrying your data to be executed. BIOS and ROM are hardware-related firmware, and the Processor executes instructions but does not carry data as a program.
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Cpu Architecture And Registers
Which of the following register is used to keep track of the address of the memory location where the next instruction is located?
The Program Counter (PC) is a special CPU register that holds the address of the next instruction to be executed. It automatically updates after each instruction fetch, ensuring sequential execution of instructions in a program. Other registers like MAR and IR serve different roles in the instruction cycle.
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Fonts And Special Characters In Ms Word
Which of the following symbol sets would most likely contain mathematical symbols such as the degree sign, greater than or equal to, or Greek letters?
The Symbol font set contains a wide range of mathematical symbols, Greek letters, and special characters like ≥ and °. Wingdings and Webdings mainly include decorative icons rather than mathematical or scientific symbols.
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Storage Devices And Input Devices
Which of the following is not a storage medium?
A hard disk, flash drive, and DVD are all storage media used to store data. A scanner is an input device used to capture images or documents and transfer them to a computer.
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Keyboard Shortcuts
Which shortcut key is used for the Bold command?
The shortcut key for the Bold command in most text editing software is Ctrl + B, which toggles bold formatting on and off.
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Computer Hardware - Printers
Which of the following printers used in conjunction with computers uses dry ink powder?
Laser printers use dry ink powder called toner to produce high-quality printed text and images. The toner is fused onto paper using heat and pressure. Other printers like daisy wheel, line, and thermal printers use different printing mechanisms that do not involve dry ink powder.
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Powerpoint Views
Which PowerPoint view works best for adding slide transitions?
The Slide Sorter view displays all slides as thumbnails, making it easier to apply and manage slide transitions across multiple slides efficiently. Other views focus on individual slides or presentation mode, which are less convenient for this task.
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MS Word Toolbars
Which of the following toolbars allows changing fonts and their sizes in Microsoft Word?
The Formatting toolbar in Microsoft Word is used to change the appearance of text, including font type, size, style, and color. The Standard toolbar mainly provides general commands like saving and printing, while Print Preview is used to view the document before printing.
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Networking Basics
Which one of the following is not a client-server application?
Client-server applications involve a client requesting services from a server, such as web browsing, email, and internet chat. 'Ping' is a network diagnostic tool that uses ICMP packets to check connectivity and does not follow a client-server application model.
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Data Structures - Queue
Which operation cannot be performed by a queue?
A queue follows the FIFO (First In First Out) principle, where insertion (enqueue) and deletion (dequeue) are allowed only at specific ends. Traversing is also possible to view elements in order. However, direct retrieving (random access to any element) is not allowed in a queue.