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Q1— Section header —
1.1Various options are given as p ossible answers to the following questions. Choose the answer and write only the letter (A D\ next to the question number (1.1.1
1.1.10\in the ANSWER BOOK.
1.1.1finish all tasks before leaving work. be laid back. be sensitive to the needs of the organisation. consult employees on all matters.
1.1.2support managers in decision making. information hub information system
1.1.3The coding and decoding of a message from sender to recipient is phishing. encryption. codec. signature.
1.1.4is the possibility that a company may have lower than expected profits or it may experience a loss
1.1.5Computers can only manipulate data that is stored in the memory. read
1.1.6evice used to enter data into the co entry devices.
1.1.7output input throughput removable
1.1.8digital signal fr om the computer into audible sound waves. speaker
1.1.916
1.1.10back up primary ran
1.2Choose ONE word/term for each of the following descriptions from the list below. Write only the word/term next to the question number ( 1.
2.11.
2.10\in the ANSWER BOOK virus; direct entry; information; magnetic; file; design; megahertz; cursor; manager; oled
1.2.1organisational structure for his/her department to ensure everyone knows who to report to.
1.2.2When designing an information sys factors to keep in mind. (10041002\ NC1540 (E\ (M1\V
1.2.3employees are able to work from outside the workplace and are no longer limited to just an office.
1.2.4a piece of code that is capable of cop ying itself and typically has a detrimental effect, such as corrupting system or destroying data.
1.2.7d printed on them, pointing in the direction the key will move.
1.2.8uses organic materials like carbon to create light when supplied directly by an electric current
1.2.9ny storage medium that utilis es magnetic patterns to represent infor mation is considered
1.2.10related records. (10 1\ (10\
1.3Indicate whether the following statements are TRUE or FALSE. Choose the answer and write only true or false
1.3.1An organisation is a group of people working together, using resources to achieve their goal.
1.3.2Knowledge is used when making decisions based on information we already have.
1.3.3Computers limit the amount of control users have on the data being processed.
1.3.4Norton Antiv irus offers freeware and paid options.
1.3.5A stored program is a list of instructions stored in electronic memory.
1.3.6Function keys are used to communicate specific functions to the BIOS.
1.3.7A laser pointer can be used to control the cursor on the screen of a computer.
1.3.8An LED use the same technology as an LCD TV, but instead of being lit up by a fl orescent bulb fro
1.3.9A fixed disk drive will only work if it s plugged into a USB 3.0 port.
1.3.10When disks are set in a RAID configuration, the system reads it as one big drive. (10 1\ (10\ (10041002\
1.4Choose an/a item/word from COLUMN B that matches a description in COLUMN A. Write only the letter (A J\ next to the question number (1.4.1
1.4.10\the ANSWER BOOK. COLUMN A COLUMN B
1.4.10A manager s ability to make decisions when there are no facts or information for on which to base his decision A system that helps
1.5Give word(s\ for each of the following acronyms. Write only the word(s\ next to the question number (1.5.1
1.5.10the ANSWER BOOK.
1.5.1SMART
1.5.2IT
1.5.3H/W
1.5.4MIS
1.5.5ALU
1.5.6CU
1.5.7AGP
1.5.8NTSC
1.5.9CAD
1.5.10ROM (1 1\ (10\ 0] TOTAL SECTION A:
Q2— Section header —
2.1Discuss the importance of controlling s a function of management. (4\
2.2
2.3
2.4Describe the first step a manager should take when trying to solve a problem. (1\ [15]15
Q3— Section header —
3.1
3.2Name FIVE basic elements that you think ASTI M should include in their information system for it to function properly. (5\
3.3Explain each of the element s you named in
Q3— Section header —
3.4Give ONE example of the type of data this IT c ompan y would store on their database (1\
Q4— Section header —
4.1CENTRALISED INFORMATION SYSTEM
4.1.1Draw and label the configuration of a decentralised information system. (6\
4.1.2
4.2MASSIVE RANSOMWARE CYBER ATTACK HITS NEARLY 100 COUNTRIES AROUND THE WORLD A ransomware cyber attack that may have originated from the theft of cyber weapons linked to the US government
4.2.1Name TWO controls that are needed to prevent unauthorised users gaining access to a computer system within an organisation.
4.2.2State TWO ways to safeguard an organisation s computer system against cyber attacks
4.3Apart from cyber attacks the network is vulnerable to internal threats such as computer viruses. These viruses can spread without the knowledge of the computer user.
4.3.1State TWO ways in which viruses can spread.
4.3.2Give TWO solutions to prevent computer viruses.
4.3.330
Q5— Section header —
5.1Name any ONE mechanical calculating tool that was used before the invention of calculators. (2\
5.2
5.3
5.4TYPE A TYPE B Name and tate the use for the computer labelled
5.4.1Type A
5.4.2
5.5Give a brief description of the role the control unit plays in processing. (2\ [22] (10041002\ 11 NC1540 (E\22
Q6— Section header —
6.1JOYSTICK FLATBED SCANNER CARD READER BA RCODE SCAN ER
6.2State which key or combination of keys would produce the following:
6.2.1The @ symbol used in e mails
6.2.2To pe rform a spe llcheck in Microsoft W ord
6.2.3To perform a search within a folder
6.2.4
6.3State the type of sensor that could be used to monitor the temperature of the microprocessor.
6.4Give a soluti on to limit the number of error inputs into a computer made by a user. (2
6.5Discuss the necessity for input control in an information system. (2 [23 QUESTION
7.1Differentiate between softcopy and hardcopy output devices and give an example of each.
7.2DEVICE A DEVICE B DEVICE C DEVICE D Identify the type of output device depicted by d evices A, B, C and D above. (4\
7.3As a consultant at ASTI M, recommend a device that could be us ed to print large banners for the company.
7.4State THREE possible problems (disadvantages\ that the company could face
Q7— Section header —
7.5Recommend an output devi ce that could be used for the output of sound in the media room at ASTI M.
Q8— Section header —
8.1State TWO properties of primary storage. (2 2\ (4\
8.2State what makes secondary storage dif ferent from primary storage. (2 2\ (4\
8.3State THREE practical uses of portable storage media. (3 2\ (6\
8.4Name a type of optical disc that would be most efficient to package and distribute software. (2\ .5 Advise the staff at ASTI M on how to care for an optical disk.
8.6Hard drives are expensive if masses of information have to be store
8.7Describe TWO advantages of compressing files. (4\ [23] TOTAL SECTION B: 150 GRAND TOTAL: 20023