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Computer Basics (Informatics Assistant)

Fundamental concepts of computer hardware, software, operating systems, CPU components, memory, storage devices, and peripheral devices for informatics assistant level

25 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Find the odd one out.

  1. Microsoft Windows
  2. iOS
  3. Linux
  4. Unix
  5. Macintosh
Question 2 Multiple Choice (Single Answer)

1 Megabyte = ?

  1. 1000 bytes
  2. 1 billion bytes
  3. 1 million bytes
  4. 1 trillion bytes
  5. 1 quadrillion bytes
Question 3 Multiple Choice (Single Answer)

Which of the following extensions is used by sheet file type?

  1. .bat
  2. .rtf
  3. .wav
  4. .csv
  5. .htm
Question 4 Multiple Choice (Single Answer)

Software which is initially costless, but after certain a period, the user is asked to pay a fee or delete it, is called

  1. freeware software
  2. shareware software
  3. commercial software
  4. subscription-based software
  5. private software
Question 5 Multiple Choice (Single Answer)

Which part of the CPU works with the control unit to monitor whether or not functions are carried out correctly?

  1. Protection Test Unit (PTU)
  2. Control Unit (CU)
  3. Arithmetic and Logic Unit (ALU)
  4. Floating Point Unit (FPU)
  5. Memory Management Unit (MMU)
Question 6 Multiple Choice (Single Answer)

Which of the following is incorrect about BIOS?

  1. It provides an interface between the hardware of the PC and its software.
  2. It boots the computer.
  3. It validates the PC’s configuration.
  4. It is a memory (RAM) keeping a group of routines needed to control system devices.
  5. BIOS stands for Basic Input/Output System.
Question 7 Multiple Choice (Single Answer)

Which of the following function is performed by prefetch unit of CPU?

  1. Built into the CPU and are used to temporarily hold the data, addresses, and instructions being passed around between the CPU’s components.
  2. Decodes incoming instructions to their simplest form.
  3. Supervises the transfer of data over the bus system between the other components of the computer and the CPU.
  4. Handles the addressing and cataloging of where data is stored in system memory.
  5. This unit preloads the instruction registers of the CPU with instructions from memory whenever the BIU is idle.
Question 8 Multiple Choice (Single Answer)

Which of the following statements is incorrect about RAM?

  1. RAM stands for Random access memory.
  2. RAM is a non-volatile memory.
  3. RAM stores data temporarily.
  4. It has higher capacity (Mbytes), cheaper and slower than Caché.
  5. RAM is a group of integrated circuits (ICs or chips) that contain small electronic components (called capacitors) that store binary 1s and 0s.
Question 9 Multiple Choice (Single Answer)

Which of the following statements is incorrect regarding storage capacity?

  1. For storing numeric values and addresses, we need 16 to 64 bits.
  2. For storing about one page of double-spaced text, we need 1 thousand bytes.
  3. For storing just about all the libraries in the U.S., we need 1 quadrillion bytes.
  4. For storing An entire library, we need 1 trillion bytes.
  5. Gigabyte (GB) = 1 billion bytes
    For storing 1,000 short books, we need 1 million bytes.
Question 10 Multiple Choice (Single Answer)

Which of the following RAMs is specifically made for use in portable computers?

  1. Parameter RAM (PRAM)
  2. Pseudo-Static RAM (PSRAM)
  3. Video RAM (VRAM)
  4. Dynamic RAM (DRAM)
  5. Static RAM (SRAM)
Question 11 Multiple Choice (Single Answer)

Which of the following is not an organisation building block of a hard disk?

  1. Tracks
  2. Sectors
  3. Cylinder
  4. Spindle
  5. Cluster
Question 12 Multiple Choice (Single Answer)

Which of the following is not a major component of a hard disk?

  1. Disk platter
  2. FC-AL [Fiber Channel-Arbitrated Loop]
  3. Bezel
  4. Logic board
  5. Air filter
Question 13 Multiple Choice (Single Answer)

What is the full form of ALU?

  1. Arithmetic and light unit
  2. Arithmetic and logic unit
  3. Absolute logic unit
  4. Absolute light unit
  5. Absolute load unit
Question 14 Multiple Choice (Single Answer)

The amount of data that can be moved between the disk and RAM in one second is called

  1. disk capacity
  2. data access time
  3. access time
  4. data transfer rate
  5. seek time
Question 15 Multiple Choice (Single Answer)

1 hour–120 MB is the minimum disk space requirement of

  1. MS Office
  2. MP3 music
  3. Audio (WAV)
  4. Multimedia e-mail
  5. Business/financial software
Question 16 Multiple Choice (Single Answer)

Which of the following is used for measurement of capacity of any storage media?

  1. Megahertz
  2. Mega bit per second
  3. Dot pitch
  4. Megabytes
  5. Kilogram
Question 17 Multiple Choice (Single Answer)

How much minimum disk space is needed by business/financial software?

  1. 100–350 MB
  2. 2–5 MB
  3. 100 MB–10 GB
  4. 2 MB–1 GB
  5. 30–70 MB
Question 18 Multiple Choice (Single Answer)

Which of the following is not a hardware component?

  1. <g class="gr_" gr_5="gr-alert=" gr_spell="contextualspelling=" ins-del="multireplace=" id="5" data-gr-id="5">Motherborad</g>
  2. Operating system
  3. Monitor
  4. CPU
  5. RAM
Question 19 Multiple Choice (Single Answer)

Which of the following is a communication device?

  1. Lightpen
  2. Printer
  3. Joystick
  4. USB
  5. Scanner
Question 20 Multiple Choice (Single Answer)

Which of the following is incorrect about CD?

  1. CD stands for compact disk.
  2. The capacity of CD is 640 MB.
  3. The recording time of CD is 74 minutes.
  4. The transfer rate of a CD is 9.6 Mbps.
  5. The maximum sampling rate of CD is 44.1 kHZ.
Question 21 Multiple Choice (Single Answer)

Which of the following devices is a pointing device?

  1. Scanner
  2. Digital camera
  3. Keyboard
  4. Trackball
  5. Monitor
Question 22 Multiple Choice (Single Answer)

In a keyboard, which keys form cursors control keys?

  1. Insert, Delete, Home, End and Page Up and Page Down keys
  2. Left, Up, Down and Right keys
  3. Esc, Pause/Break, Prt Sc/Sys Rq keys
  4. Ctrl and Alt keys
  5. Spacebar and the Tab keys
Question 23 Multiple Choice (Single Answer)

Which of the following is component of a computer system?

  1. Mouse
  2. Printer
  3. CD
  4. Motherboard
  5. Keyboard
Question 24 Multiple Choice (Single Answer)

What action has been done when Windows-CTRL-F is pressed?

  1. It opens the 'Find Files' or 'Folders' dialog box.
  2. It opens the 'Find Computer' dialog box.
  3. It opens the 'System Properties' window.
  4. It restores all current windows.
  5. It cycles through the 'Taskbar' applications.
Question 25 Multiple Choice (Single Answer)

Which of the following is not a component of mouse?

  1. Ball
  2. Roller
  3. Optical encoding disk
  4. PS/2
  5. Infrared LED and sensor
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