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799

Which of these is not a logic comparison symbol in computer studies ? 

  • A. =
  • B. <
  • C. >
  • D. <=
  • E. ^
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800

1 megabyte is equivalent to …… kilobytes?

  • A. 1000
  • B. 1024
  • C. 1034
  • D. 1204
  • E. 1304
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801

In Microsoft Word, the background of word document is?

  • A. always the same for the entire document
  • B. always white in colour
  • C. automatically give any colour
  • D. either white or black colour
  • E. the colour you pre-set under the option menu
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802

In a worksheet, a set of data is called?

  • A. Column range
  • B. Data base
  • C. Data file
  • D. Data range
  • E. Row range
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803

Which of these packages is appropriate for preparing payroll of workers?

  • A. CorelDraw
  • B. Microsoft Access
  • C. Microsoft Excel
  • D. Microsoft Word
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804

The central processing unit is connected to the?

  • A. expansion boards
  • B. expansion slots
  • C. memory chip
  • D. mother board
  • E. system unit
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805

Which of the following is not among the features of presentation package?

  • A. Animation
  • B. Insertion of range and cell
  • C. Insertion of video and audio
  • D. Slide
  • E. Slide show
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806

The process of …. is difficult without computer in transportation system.

  • A. accommodation
  • B. loading
  • C. repair
  • D. reservation
  • E. ticketing
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807

In order to find and load a file that has been saved, you need to select the … Command.

  • A. close
  • B. new
  • C. open
  • D. recycle
  • E. save
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808

The …… is found in the CPU of a computer.

  • A. main memory
  • B. modem
  • C. mother board
  • D. register
  • E. zip drive
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809

(a) Define programming language.

(b) Write the 5 following mathematical expressions in BASIC notation:

(i) x (w + y)\(^2\) (ii) ab/cd  (ii) p = 2 (1+b).

(c) Write a simple BASIC program to calculate the area (A) of a rectangle with length (l) and breath (b).

(d) List two levels of programming language.

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810

(a) List three criteria that are used in classifying file.

 (b) State: (i) two advantages and two disadvantages of computer files; (ii) three methods of file security.

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811

(a) (i) Define Information and Communication Technology. (ii) State three uses of Information and Communication Technology in the banking sector.

(b) State the full meaning of the following: i) LAN; (ii) GPS; (iii) IP

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812

(a) List: (i) three application areas of a word processing program;

(ii) three types of data item.

(b) identify program; the four data types available in Table 2.

Table 2

Student I.D.

Name Date of Birth Score in Computer Studies

Gender

A 00022

Odi, G. A 13/10/97 38 M

C 00021

Zakari, M. 15/05/98 71 M

B 00023

Ngozi Tella 16/09/96 62 F

 

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813

(a) Match each type of ICT in Table 1 with its relevant 1.

ICT Type

communication sector.

Satellite communication

Radio

Broadcasting

Internet

Data network

GSM

Telecommunication

video conferencing

(b) List three computing devices that belong to each of (i) 19th; and (ii) 20th century periods.

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814

(a)(i) Define computer graphics.

(ii) List two applications of computer graphics in advertising.

(b) Give one use of the following computer graphics application tools;

(i) Interactive Fill Tool (ii) Texture Fill Tool (iii) Envelops Tool (iv) Extrude Tool 

(c) Name one Fill Tool in computer graphic application which is needed to (i) create a background that is faded from light blue to white (ii) fill an object with two colours that blend from one to another.

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815

(a)(i) What is Universal Serial Bus (USB)?

(ii) State two benefits of using USB connection between a computer and another device.

(b) In Table 1, three storage devices are described, Use it to answer questions 3(b)(i) and 3(b)(ii).

(i) In column 2, name the storage device being described in column 1.

(ii) Show the category of storage device being described in column 1 by ticking in any of the column 3, 4 or 5

SN 1 2 3 4 5
  Description of Storage Device Name of Storage Device Category of Storage Device
      Primary Secondary Offline
1 Magnetic storage medium which is composed of a thin flexible disk sealed in a square plastic carrier.        
2 Optical media – which uses one spiral track.Red lasers are used to read and write data on the media surface and it makes use of dual-layering technology to increase the storage capacity to over 1 GB.        
3 Non-volatile memory chip which contents cannot be altered. It is often used to store the start-up routines in a computer (e.g the BIOS).        

 

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816

Perform the following conversions in the stated number bases;

(a) AB1\(_{16}\) to Octal system

(b) 1110111.101\(_2\) to Denary system 

(c) 507\(_2\) to Binary system.

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817

(a) What are “Reports” in a database system?

(b) List four (4) ways in which Reports can be viewed in database management system.

(c) Outline the steps to prints a Report in MS Access.

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818

The following actions are the effects of virus infection in a system except

  • A. deletion of files
  • B. slow operation
  • C. hard disk failure
  • D. display of unwanted messages
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819

A computer program that gathers information about a person or organization without their knowledge or consent  is known known as

  • A. adware
  • B. time bomb
  • C. trojan horse
  • D. spyware
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