Basic computer knowledge MCQs

1.What is a drawback of using high-level programming languages?

Reduced performanceDependence on specific hardwareProgramming at the machine code levelNo disadvantages

2.Which of the following is NOT considered an input device?

3.Which encoding system is the most commonly used to represent each character with a unique 8-bit code?

Extended Binary Coded Decimal Interchange Code (EBCDIC)Binary numeral systemUniversal character encoding standard (Unicode)American Standard Code for Information Interchange (ASCII)

4.What is the primary purpose of control in the design of an information system?

To guarantee that the system processes data according to its intended design and produces trustworthy outcomesTo safeguard data against both accidental damage and deliberate threatsTo examine the system and verify that it meets the required specificationsTo maintain the confidentiality of the data being processed

5.How does a CD-RW differ from a CD-ROM?

A CD-RW allows data to be recorded and erased multiple times, whereas a CD-ROM is only readable.They are identical; the terms are used interchangeably by various brands.A CD-ROM has a larger storage capacity compared to a CD-RW.A CD-ROM supports data writing, but a CD-RW does not.

6.What is another term commonly used to refer to the microprocessor, known as the computer's central processing unit?

7.Which of the following pairs correctly represent the two main categories of output devices?

Monitor and PrinterFloppy Disk and CDKeyboard and MouseWindows 2000 and Windows NT

8.Which category does a computer printer belong to?

9.What do we call a setup where multiple computers operate together and appear as a unified system to the user?

computer networkingdistributed systemeither A or Bnone of the above

10.Identify the protocol that operates at the transport layer from the options below.

Stream Control Transmission ProtocolInternet Control Message ProtocolNeighbor Discovery ProtocolDynamic Host Configuration Protocol

11.Which hardware device allows users to input data into a computer by pressing keys?

12.Which key advances the cursor one position to the right or inserts spaces between words?

13.Which organization accredits domain name registries to grant the right to use domain names?

Internet Architecture BoardInternet SocietyInternet Research Task ForceInternet Corporation for Assigned Names and NumbersInternet Engineering Task Force

14.Which electronic component is capable of temporarily holding a single bit of information?

15.Which portable device is used to scan barcodes on products, labels, or shelves?

16.In which year was the light pen invented?

1950194219481956

17.Which device is commonly utilized to point to or emphasize items on a computer screen?

MouseSymbolTyping deviceStorage drive

18.What is the name of a flat metal disk that holds a significant amount of data permanently and is accessed using optical methods?

19.What happens to the data stored in a volatile memory chip when the power supply is interrupted?

It will catch fire if the temperature rises too highThe stored information will be erased once the power is cut offIt is solely intended for storing data permanentlyIt allows both reading and writing of informationIt preserves data without requiring power

20.In networking, how are HTTP resources identified?

Uniform Resource IdentifierUnique Resource LocatorUnique Resource IdentifierNone of these