Computer Basics

653 questions available

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All Introduction to Computers 1 Types of Computers Generations of Computers 1 Computer Components Hardware 630 Software 9 Input & Output Devices 3 Memory & Storage 4 CPU 3 Data & Information 1
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Q601.In which of the following contexts can synchronization occur in modern computing systems?

Easy
A Only hardware
B Only software
C Both hardware and software
D Neither hardware nor software
Hardware PPSC

Correct Answer: C

Synchronization can occur in both hardware and software contexts to ensure that different components or processes operate in harmony.

Q602.To access and interact with a mainframe computer system, users typically utilize which of the following devices?

Easy
A Keyboard
B Monitor
C Terminal
D Mouse
Hardware PPSC

Correct Answer: C

A terminal is a physical device or software application used to connect to and interact with a centralized mainframe computer system.

Q603.What is the primary function of Dynamic Random-Access Memory (DRAM)?

Easy
A Provides temporary storage
B Manages the CPU
C Processes graphics
D Stores long-term data
Hardware PPSC

Correct Answer: A

DRAM (Dynamic Random-Access Memory) is a type of volatile semiconductor memory that provides temporary, high-speed storage for active processes.

Q604.The electronic digital computer was developed primarily in which country?

Easy
A Japan
B UK
C USA
D Germany
Hardware PPSC

Correct Answer: C

The electronic digital computer, processing binary data, was primarily invented and developed in the USA (e.g., Atanasoff-Berry Computer, ENIAC).

Q605.Which of the following computer components houses the CPU, ROM, RAM, and expansion slots?

Easy
A Hard disk
B Floppy disk
C Motherboard
D System unit
Hardware PPSC

Correct Answer: C

The motherboard (system board) is the main printed circuit board that connects the CPU, memory modules, and other peripherals.

Q606.A hardware device that converts user-entered instructions into binary form understood by a computer's CPU is known as an _____ device.

Easy
A Memory
B Output
C Automatic
D Input
Hardware PPSC

Correct Answer: D

An input device captures human instructions and translates them into binary electrical signals for processor execution.

Q607.Which of the following represents the two primary categories of computer main memory?

Easy
A Random and Sequential
B Primary and Secondary
C Open and Close
D None of these
Hardware PPSC

Correct Answer: B

Main memory is conventionally classified into primary memory (RAM) and secondary memory (ROM) representing volatile and non-volatile states.

Q608.Which of the following system operations is highly recommended immediately after you install new hardware device drivers?

Easy
A Hibernate
B Restart
C Shutdown
D Sleep
Hardware PPSC

Correct Answer: B

Restarting the system allows the operating system to unload previous configurations, properly load the new driver binaries, and initialize the device.

Q609.In Windows, what is the primary purpose of the taskbar?

Easy
A Navigation program
B Switching between programs
C Start a program
D All of above
Hardware PPSC

Correct Answer: D

The Windows Taskbar houses the Start menu, holds active application shortcuts, and allows switching between running programs.

Q610.The term 'hard copy' is used in computing to describe which of the following?

Easy
A Storing information on the hard disk
B Writing on a hard board
C Printed output
D None of these
Hardware PPSC

Correct Answer: C

A hard copy refers to physical, tangible printed output on paper, as opposed to a soft copy viewed on a digital monitor.

Q611.In most computing environments, the 'Esc' (Escape) key on the keyboard allows users to ______?

Easy
A Add text to a document
B Enter into full-screen mode
C Delete text from a cell
D Escape from or cancel an ongoing process or dialog window
Hardware PPSC

Correct Answer: D

The Escape key (Esc) is used as a universal cancel or exit key to close dialog boxes, drop-down menus, or full-screen modes.

Q612.From which menu selection on the menu bar can page numbers be inserted into a document?

Easy
A File menu
B Window menu
C Format menu
D Insert menu
Hardware PPSC

Correct Answer: D

In standard menu-based word processors, the option to insert page numbers is located under the 'Insert' menu.

Q613.A compiled computer program consists of which of the following core components?

Easy
A Only instructions
B Only data
C Both instructions and data
D Neither instructions nor data
Hardware PPSC

Correct Answer: C

A computer program is logically composed of instructions (the logic/functions) and data (the state and variables operated on).

Q614.Which standard hardware output peripheral provides a visual screen display to the computer user?

Easy
A CPU
B Printer
C Memory Unit
D Monitor
Hardware PPSC

Correct Answer: D

The monitor (visual display unit) is the primary output hardware used to present computer visual interface data.

Q615.In data communications, what does the term 'band' represent?

Easy
A Instruction execution speed in CPU
B Time required to search a data element
C Total physical capacity of primary memory
D The speed at which data travels along communication lines
Hardware PPSC

Correct Answer: D

In telecom, 'band' or bandwidth refers to the range of frequencies and the speed at which data is transmitted over communication lines.

Q616.Because microcontrollers are designed as highly integrated chips, they typically lack a separate, discrete ______?

Easy
A Memory Management Unit (MMU)
B Central Processing Unit (CPU)
C Input/Output Ports
D Timer/Counter
Hardware PPSC

Correct Answer: A

Microcontrollers pack memory, CPU, and timers onto one chip, so they do not usually have or need a separate, heavy hardware Memory Management Unit (MMU).

Q617.The Central Processing Unit (CPU) of a personal computer is also commonly referred to as the ______?

Easy
A Microcontroller
B Microprocessor
C Memory Unit
D I/O Controller
Hardware PPSC

Correct Answer: B

In personal computers, the main CPU is built as a single integrated circuit chip, commonly known as a microprocessor.

Q618.In a logical program flowchart, which geometric symbol is used to represent a decision point?

Easy
A Circle
B Rectangle
C Diamond
D Parallelogram
Hardware PPSC

Correct Answer: C

In flowcharts, diamonds denote decision/conditional blocks (yes/no or true/false logic splits), rectangles are for processing, and parallelograms are for I/O.

Q619.A Cathode Ray Tube (CRT) monitor is classified as which type of computer hardware device?

Easy
A Input
B Storage
C Output
D Processing
Hardware PPSC

Correct Answer: C

A Cathode Ray Tube (CRT) is an old visual display technology classified as a hardware output device.

Q620.Automatic spelling and grammar checker programs utilize which of the following resources to verify text correctness?

Easy
A A dictionary
B Pagination
C Function keys
D Tab settings
Hardware PPSC

Correct Answer: A

Spell checkers compare typed text strings against an active, built-in digital dictionary of correctly spelled terms.