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Hassan
1.Main memory performance is.
A. Fast
B. Slow
C. Very fast
D. Fast
2.Auxiliary storage provides.
A. Minimum capacity
B. Maximum capacity
C. Both a & b .
D. Minimum capacity
3.Computer memory is.
A. Mechanical File
B. An electronic file
C. both of above
D. Mechanical File
4.1 represents the data.
A. On
B. Off
C. both of above
D. On
5.Each byte contains.
A. Information
B. I Character
C. both of above
D. Information
6.Computer storage is divided into classes.
A. Two
B. Three
C. Four
D. Two
7.Main memory is directly accessible by.
A. CPU
B. Printer
C. Scanner
D. CPU
8.The basic information unit is called a.
A. Character
B. Word
C. Nibble
D. Character
9.A word of 16 bits size can be called:
A. 4 Byte word
B. I Byte word
C. 2 Byte word
D. 4 Byte word
10.1 kilobyte equals
A. 212 byte
B. 220 byte
C. 210 byte
D. 212 byte
11.The ROM has types.
A. Two
B. Three
C. PROM
D. Two
12.When the power shuts off the contains are lost.
A. From ROM
B. From RAM
C. Both of above
D. From ROM
13.The most common RAM technologies are.
A. Two
B. Three
C. Four
D. Two
14.The much more expensive and requires more space and power.
A. RAM
B. SRAM
C. DRAM
D. RAM
15.The capacity of RAM affects the computer.
A. Size
B. Length
C. Power
D. Size
16.DRAM needs to be refreshed
A. Periodically
B. Hourly
C. Weekly
D. Periodically
17.DRAM is most commonly used technology to build
A. Software’s
B. Dynamic RAM
C. RAM chips
D. Software’s
18.Which RAM is faster?
A. SRAM
B. DRAM
C. PRAM
D. SRAM
19.SRAM is known as the
A. Main memory
B. Secondary memory
C. Cache memory
D. Main memory
20.MSB stands for
A. Microsoft significant byte
B. Most significant byte
C. Microsoft significant bit
D. Microsoft significant byte
21.In EEPROM data is erased by
A. Magnetically devices
B. Electrical devices
C. Electrochemical devices
D. Magnetically devices
22.Which RAM is less expensive?
A. SRAM
B. DRAM
C. PRAM
D. SRAM
23.Which disk is mostly used for transferring data
A. Floppy disk
B. Hard disk
C. CD
D. Floppy disk
24.The most common size of floppy disk is
A. 2.5?
B. 3.5“
C. 4.5?
D. 2.5?
25.Floppy disk is encased in a rigid
A. Aluminum case
B. Iron body
C. Envelope
D. Aluminum case
26.A floppy disk is a storage medium
A. Electric
B. Electronic
C. Chemical
D. Electric
27.Floppy disks
A. Are slower but less expressive
B. Have less storage capacity
C. Are portable
D. Are slower but less expressive
28.Basic sizes of floppy disks are
A. 8-inch
B. 5 1/4 —inch
C. 3 1/2-inch
D. 8-inch
29.Which size of floppy disk is most commonly used
A. 8-inch
B. 5 1/4 -inch
C. 3 1/2-inch
D. 8-inch
30.How many hard disks digital computers use
A. One
B. At most one
C. At least one
D. One
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