S2 HOLIDAY WORK
The disadvantage of optic disks is that:
A. They can store very little amount of data.
B. Their contents take time to be accessed that makes them to be slow.
C. They are very hard to be used as well as very expensive than any other media.
D. They can be written only once, but can’t be erased or changed.
The role of power supply is to:
A. To converts the alternating current (AC. to Direct Current (AC. to run the computer.
B. To converts the Direct Current (DC. to Alternating Current (AC. to run the computer.
C. To converts the analog signals to digital signals to be used by the computer.
D. To convert the digital signals to analog signals to be used by the computer.
The configuration information about the computer is stored in:
A. CMOS memory
B. BIOS-ROM memory
C. Cache memory
D. Flash memory
Which of the following is the smallest unit of computer storage?
The following device is mainly used for playing computer games:
B. Fax machines
C. Bar code reader
D. Optical Character Reader
Backing storage is alternatively called:
A. Auxiliary memory
B. Secondary memory
C. External memory
D. All of the above.
The following type of printer has the head element that provide the physical contact with the stationary:
B. Page printers
C. Laser printers.
D. Non-impact printers
Which keyboard button can help control the use of capital and small letters during typing?A.
A. Insert key
B. Backspace key
C. Alter key
D. Caps Lock key
An Instruction cycle is the one that:
A. Fetches and decode
B. Execute and store
C. Fetches and store
D. Decode and store.
The following section of CPU is the one in charge of performing calculations
All devices connected to the computer are collectively called?
All storage media that can be written and read using laser beams are called:
A. Magnetic disk
B. Erasable Diskette
C. Magnetic tape
D. Optical Disks
The duplicated data/information to various storage media is, in computer terms, called:
A. Copied data
B. Backup data
D. Photocopied data
The following hardware does not permit users to erase data after it has been stored:
A. Hard Disk
B. Flash Disk
C. CD – ROM
D. Floppy Disk
A computer service that enables users to send and receive messages electronically is called.
B. An address
The following are possible with a computer except:
A. Speed and Versatility
B. Documentation and report making
The following are storage media except.
Which of these is likely to happen in future about Internet?
A. Very Expensive
B. Faster connections
C. Fewer users
D. Extensive use of wires
Which of the following is a set of computer peripherals?
A. Hard disk and Floppy diskettes
B. Printers and Modems
C. RAM and CPU
D. CD-ROM and Magnetic tapes
Which of the following is not an example of an output device?
D. Digital camera
The output displayed on the screen is termed as:
B. Soft copy
Which of the following is NOT a function of control unit?
A. Fetches an instruction
B. Executes the instruction
C. Decodes instruction
D. Randomly alters the instructions
Which device provides backup power to a computer system for a short period of time when power goes off?
C. Surge Protector
D. Uninterruptible Power Supply
Which computers can accommodate more than 1000 users at the same time?
A. Mini-frame Computers
B. Mainframe Computers
C. Micro Computers
D. D. Super Computers
The following word “BUFFER” contains ………………..
A. 6 bits
B. 48 bits
C. 80 bits
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