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1 page/≈550 words
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APA
Subject:
Literature & Language
Type:
Admission Essay
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English (U.S.)
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Topic:

company document (Admission Essay Sample)

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the task is about our company project

source..
Content:

ABCDEF1ItemsCostPriceSellingPriceProfitper ItemItemssoldTotalProfit2Item 1305350453214403Item 210012020459004Item 320022020326405Item 410713023892047
3.23COMPUTER STUDIES (451)
3.23.1  Computer Studies Paper 1 (451/1)
SECTION A (40 marks)
Answer all the questions in this section in the spaces provided.
1Write each of the following acronyms in full as used in computing.(2 marks)
(a)CAD
(b)DVD
(c)WORM
(d)POS
2A school keeps student records in a database. The data is coded before entry.
State three reasons why the coding is necessary.(3 marks)
3Differentiate between Bcc and cc in an email.(2 marks)
4State three risks posed by improper cabling in a computer laboratory.(3 marks)
5List two career opportunities directly associated with computer networking.(2 marks)
6A retailer uses a spreadsheet program to calculate profits. Figure 1 shows the spreadsheet.
Figure 1
(a)Which row contains labels only?(1 mark)
(b)Write the formula that has been entered in cell F2.(2 marks)
7State three reasons why an organisation may opt to develop its own software in-house rather
than buy off-the-shelf software.(3 marks)
209
9An organisation intends to replace an existing system by carrying out the process in11The 21st century has had many forms of ICT technologies improving the various means of12Explain why a DTP application would be preferred to a word processing application when
8The topology below is formed by combining two types of topologies.
Figure 2
(a)Give one name for the combined topology in figure 2.(1 mark)
(b)Name the two topologies forming the combined topology in figure 2.(2 marks)
stages.
(a)Name this implementation strategy.(1 mark)
(b)Give two reasons why the organisation is opting to use the implementation strategy in
(a) above.(2 marks)
10(a)Explain the importance of disk partitioning.(2 marks)
(b)Differentiate between pull-down menu and pop-up menu as used in Graphical User
Interface (GUI) operating systems.(2 marks)
communication. However, these changes have brought many challenges.
State three negative social impacts of these technologies.(3 marks)
designing a publication.
(2 marks)
13A computer is idle but the hard disk light is blinking, indicating some activity.
State two possible causes of this.(2 marks)
14Describe compatibility as a factor to consider when purchasing a computer.(2 marks)
15Identify the appropriate output device for the production of each of the following:
(a)receipts where carbon copies are required;(1 mark)
210
(b)an architectural drawing where precision is required;(1 mark)
(c)output where the user is visually impaired.(1 mark)
SECTION B (60 marks)
Answer question 16 and any other THREE questions from this section in the spaces provided.
16(a)Figure 3 shows a flowchart.  Use it to answer the questions that follow.
(i)Determine the output from the flowchart if:
I.X = 5;(2 marks)
II.X = 7.(2 marks)
(ii)Write a Pseudocode for the flowchart in figure 3.(5 marks)
(iii)Modify the flowchart so that it can be used to get the sum of integers between
50 and 100.(4 marks)
(b)List two programming language translators.(2 marks)
211
CALL0622405405Ksh48,000018Figure 4 shows an advert placed in a newspaper. Use it to answer the questions that follows
17(a)Describe three types of validation checks as used in data processing.(6 marks)
(b)A company has opted to store its employees’ personal details in a computer system.
these details.(4 marks)
(c)(i)Describe each of the following data processing modes:
I.real-time;(2 marks)
II.interactive.(2 marks)
ii)State an application area where real-time data processing mode is applied.(1 mark)
NEW ARRIVALS - LAP TOP COMPUTERHDDWindows 8300 GBHome EditionRAMFree Suite512 MB· Word processorClock Speed·  Spreadsheet2.3 GHz x 2·  DTPOptical Drive·  PresentationDVD·  Internet browserScreen·  Email17 inchesKeyboard, Mouse, ModemParallel port USB, serialOTHER PCs AVAILABLE
(a)(i)Define a laptop computer.(1 mark)
(ii)The screen is said to be 17 inches. Explain what this means.(2 marks)
(b)State one advantage of having each of the following provided with a laptop.(3mks)
(i)modem 
(ii)USB 
(iii)free suite 
c)State the software package in the free suite which is most suitable for each of the (4mks)
following:
(i)computing budgets 
(ii)creating documents 
(iii)designing of brochures
(iv)records management
(d)(i)State three advantages of using a computer to design an advert such as the one above(3 marks)
(ii)State two benefits of having the advert uploaded on the internet.(2 marks)
19A worker is unable to travel to the office but may still be able to do the office work through
telecommuting.
(a)Explain why the worker may use each of the following:
(i)email;(2 marks)
(ii)fax;(2 marks)
(iii)digital camera;(2 marks)
(iv)firewall.(2 marks)
(b)The worker needs to make regular backups of documents sent to the office.
State three reasons for this.(3 marks)
(c)Explain two benefits that the employer will get by allowing this worker to do the
office work through telecommuting.(4 marks)
20(a)(i)Differentiate between one’s complement and two’s complement in data
representation.(2 marks)
(ii)Explain the preference of binary number systems over decimal number systems
in computers.(2 marks)
(b)(i)Using one’s complement, subtract 1000112 from 0100102.(4 marks)
(ii)Convert the number 21.0312510 to its binary equivalent.(5 marks)
(c)Perform the following binary operations.
1101 + 11011 + 101&nbs...

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