1. The ability of an OS to run more than one application at a time is called _________ ?

multitasking

object-oriented programming

multi-user computing

time-sharing

Answer: multitasking

Explanation:

multitasking


2. __________ is the process of finding errors in software code ?

Debugging

Compiling

Interpreting

Testing

Answer: Debugging

Explanation:

The correct answer is (a) Debugging. Debugging is the process of identifying, analyzing, and fixing errors or defects in software code that prevent it from functioning as intended. It involves using various debugging tools and techniques to trace the execution of the code and locate the source of the error, and then modifying the code to correct the error.


3. __________ is the process of carrying out commands ?

Fetching

Storing

Decoding

Executing

Answer: Executing

Explanation:

Executing is the process of carrying out commands. The execution phase is where the instructions are actually performed by the computer's processor, which carries out the instructions one by one in the order they were fetched and decoded.


4. Professional designers can create sophisticated documents that contain text, graphics, and many colours, using __________ software ?

computer aided design (CAD)

illustration

image editing

desktop publishing (DTP)

Answer: computer aided design (CAD)

Explanation:

computer aided design (CAD)


5. Companies use which of the following vendors to provide access to software and services rather than purchasing the applications and maintaining the applications themselves ?

Open source vendors

Alliances

Application service providers

All of the above

Answer: Application service providers

Explanation:

Application service providers (ASPs) are the vendors that companies use to provide access to software and services rather than purchasing and maintaining the applications themselves. ASPs host and manage the applications on their own servers, and customers can access them through the internet. Open source vendors and alliances may provide access to software, but they do not necessarily offer the hosting and management services that ASPs do. Therefore, the correct answer is (c) Application service providers.


6. A sales clerk at a checkout counter scanning a tag on an item rather than keying it into the system, is using __________ ?

input automation

item data automation

scanning automation

source data automation

Answer: scanning automation

Explanation:

A sales clerk at a checkout counter scanning a tag on an item rather than keying it into the system is using (c) scanning automation.


7. Compilers and translators are one form of ?

ROM

RAM

hard disk

software

Answer: software

Explanation:

The correct answer is (d) software. Compilers and translators are software programs that convert human-readable source code written in one programming language into machine-executable code in another programming language.


8. Which of the following is not a type of computer software which can be bought ?

Off-the-shelf

Tailor-made

Custom-developed

Off-the-shelf with alterations

Answer: Tailor-made

Explanation:

The computer software which we have are off-the-shelf, tailor-made, custom-developed. There is no type of computers software as off-the-shelf with alterations. In computer software all information is processed by computer systems, programs and data. Computer software includes computer programs, libraries and related non-executable data , such as online documentation or digital media.


9. How many kilobytes make a megabyte ?

128

1024

256

512

Answer: 1024

Explanation:

1024 kilobytes make a megabyte.


10. In a computer, how many bits does a nibble signify ?

4

8

16

32

Answer: 4

Explanation:

bits signify a nibble in a computer.