(326) Which of the following are the functions of a operating system?
- A. Allocates resources
- B. Monitors Activities
- C. Manages disks and files
- D. All of the above
(327) is the ability of a device to “jump” directly to the requested data?
- A. Sequential access
- B. Random access
- C. Quick access
- D. All of the above
(328) COBOL is an acronym for ?
- A. Common Business Oriented Language
- B. Computer Business Oriented Language
- C. Common Business Operated Language
- D. Common Business Organized Language
(329) The ability to recover and read deleted or damaged files from a criminal’s computer is an example of a law enforcement speciality called ?
- A. robotics
- B. simulation
- C. computer forensics
- D. animation
(330) To access properties of an object, the mouse technique to use is ?
- A. Dragging
- B. dropping
- C. right-clicking
- D. shift-clicking
(331) Which of the following is the smallest storage?
- A. Megabyte
- B. Gigabyte
- C. Terabyte
- D. None of these
(332) A program that performs a useful task while simultaneously allowing destructive acts is a ?
- A. Worm.
- B. Trojan horse.
- C. Virus.
- D. Macro virus
(333) The scrambling of code is known as ?
- A. Encryption
- B. a firewall
- C. Scrambling
- D. Password proofing
(334) Note book, laptop,palm,hand-held computers are coming under the category of computer?
- A. Digital computer
- B. Mainframe computer
- C. Portable computer
- D. Hybrid computer
(335) are system software to facilitate editing of text and data?
- A. MS Word
- B. Editors
- C. PowerPoint
- D. MS publisher
(336) is a windows utility program that locates and eliminates unncessary fragments and rearranges filed and unused disk space to optimize operations?
- A. Backup
- B. Disk cleanup
- C. Disk Defragmenter
- D. Restore
(337) A detailed written description of the programming cycle and the program, along with the test results and a printout of the program is called ?
- A. documentatio n
- B. output
- C. reporting
- D. spec sheets
(338) Microprocessors can be used to make ?
- A. Computer
- B. Digital systems
- C. Calculators
- D. All of the above
(339) In mode, the communication channel is used in both directions at the same time?
- A. Full-duplex
- B. Simplex
- C. Half-duplex
- D. None of the above
(340) CSS stands for ?
- A. Central Superior Services
- B. Cascading style sheets
- C. Both
- D. None of above
(341) Which device is used to process data?
- A. CPU
- B. RAM
- C. DCU
- D. VDU
(342) Shortcut key to create a New Folder on Windows PC is ?
- A. Ctrl+N
- B. Ctrl+Alt+N
- C. Ctrl+Shit+N
- D. None.
(343) ISP stands for ?
- A. internet server provider
- B. internal server provider
- C. internet service provider
- D. insta service provider
(344) Digital computer was invented by?
- A. John Vincent Atanasoff
- B. Steve Jobs
- C. Charless babbage
- D. James watson
(345) In 1999, the Melissa virus was a widely publicized: ?
- A. E-mail virus
- B. Macro virus
- C. Trojan horse
- D. Time bomb
(346) Shortcut to insert new slide in the current presentation is .
- A. Ctrl+N
- B. Ctrl+M
- C. Ctrl+O
- D. Ctrl+D
(347) DMA stands for
- A. Direct Module Access
- B. Distinct Module Access
- C. Direct Memory Access
- D. Direct Memory Allocation
(348) computers are also called personal computers.
- A. Super Computers
- B. Mini Computers
- C. Micro Computers
- D. Mainframe Computers
(349) LED stands for
- A. Light Emission Digit
- B. Light Emitting Diode
- C. Light Emission Depot
- D. Light Emission Direct
(350) The first web browser is ?
- A. Mosaic
- B. Netscape
- C. Internet explorer
- D. Collabra